🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.77 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.13

Radius: 1.58

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 0.73 AU - 0.81 AU

Year: 242 Days

Day: 42.1 Hours

Environment

Temp: 145 °C

Axial Tilt: 36.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.37 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.67

Radius: 1.23

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 1.16 AU - 1.58 AU

Year: 574 Days

Day: 37.1 Hours

Environment

Temp: -0 °C

Axial Tilt: 27.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 80,344,211 km

• M1: 584,928 km (0.093 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.89 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.33

Radius: 0.64

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 1.78 AU - 2 AU

Year: 931 Days

Day: 37.1 Hours

Environment

Temp: -55 °C

Axial Tilt: 12.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 80,344,211 km

• M1: 153,787 km (0.083 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.62 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.19

Radius: 1.37

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 2.61 AU - 2.63 AU

Year: 1519 Days

Day: 38.9 Hours

Environment

Temp: -93 °C

Axial Tilt: 21.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 80,344,211 km

• M1: 1,042,398 km (0.072 R)

Planet 5 - Terrestrial

Semi-Major Axis: 3.39 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.53

Radius: 1.19

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 2.62 AU - 4.16 AU

Year: 2235 Days

Day: 35.6 Hours

Environment

Temp: -100 °C

Axial Tilt: 14.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 80,344,211 km

• M1: 1,380,340 km (0.107 R)

Asteroid Belt

Center: 6.09 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 8.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 103.3

Radius: 13.9

Gravity: 0.53 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 7.98 AU - 9.6 AU

Year: 9334 Days

Day: 14.6 Hours

Environment

Temp: -172 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (50)

Outer Limit: 80,344,211 km

• M1: 173,683 km (0.054 R)
• M2: 411,544 km (0.099 R)
• M3: 601,832 km (0.027 R)
• M4: 710,141 km (0.099 R)
• M5: 1,031,627 km (0.089 R)
• M6: 1,550,432 km (0.082 R)
• M7: 1,692,401 km (0.082 R)
• M8: 1,779,766 km (0.102 R)
• M9: 2,082,402 km (0.084 R)
• M10: 2,618,561 km (0.079 R)
• M11: 2,806,905 km (0.075 R)
• M12: 3,270,060 km (0.107 R)
• M13: 3,454,664 km (0.049 R)
• M14: 3,738,451 km (0.082 R)
• M15: 4,069,212 km (0.091 R)
• M16: 4,450,237 km (0.086 R)
• M17: 4,780,250 km (0.082 R)
• M18: 5,312,071 km (0.119 R)
• M19: 5,818,011 km (0.111 R)
• M20: 7,258,489 km (0.091 R)
• M21: 7,403,449 km (0.077 R)
• M22: 7,623,059 km (0.055 R)
• M23: 7,894,130 km (0.104 R)
• M24: 8,497,009 km (0.066 R)
• M25: 8,624,467 km (0.065 R)
• M26: 9,062,639 km (0.06 R)
• M27: 9,166,909 km (0.062 R)
• M28: 9,853,713 km (0.084 R)
• M29: 10,149,468 km (0.081 R)
• M30: 11,109,587 km (0.041 R)
• M31: 11,898,715 km (0.101 R)
• M32: 12,041,581 km (0.039 R)
• M33: 12,184,896 km (0.106 R)
• M34: 12,473,470 km (0.068 R)
• M35: 12,793,460 km (0.101 R)
• M36: 13,086,672 km (0.084 R)
• M37: 13,501,058 km (0.06 R)
• M38: 13,859,644 km (0.119 R)
• M39: 14,677,945 km (0.111 R)
• M40: 14,769,798 km (0.039 R)
• M41: 15,232,205 km (0.057 R)
• M42: 15,981,989 km (0.116 R)
• M43: 16,393,234 km (0.1 R)
• M44: 17,387,761 km (0.092 R)
• M45: 17,484,999 km (0.075 R)
• M46: 18,932,658 km (0.093 R)
• M47: 19,233,649 km (0.097 R)
• M48: 19,367,838 km (0.112 R)
• M49: 20,658,568 km (0.049 R)
• M50: 22,540,210 km (0.055 R)

Planet 7 - Gas Giant

Semi-Major Axis: 12.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 181.3

Radius: 11.6

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 11.25 AU - 12.85 AU

Year: 14981 Days

Day: 14.8 Hours

Environment

Temp: -187 °C

Axial Tilt: 26.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (73)

Outer Limit: 80,344,211 km

• M1: 154,385 km (0.09 R)
• M2: 266,434 km (0.107 R)
• M3: 465,399 km (0.087 R)
• M4: 566,527 km (0.096 R)
• M5: 662,120 km (0.094 R)
• M6: 749,186 km (0.108 R)
• M7: 825,032 km (0.061 R)
• M8: 919,877 km (0.079 R)
• M9: 1,490,892 km (0.11 R)
• M10: 1,589,029 km (0.111 R)
• M11: 1,771,688 km (0.107 R)
• M12: 1,897,350 km (0.1 R)
• M13: 2,383,992 km (0.09 R)
• M14: 2,500,080 km (0.038 R)
• M15: 3,364,905 km (0.083 R)
• M16: 3,980,500 km (0.041 R)
• M17: 4,400,721 km (0.06 R)
• M18: 5,314,315 km (0.116 R)
• M19: 5,436,387 km (0.114 R)
• M20: 5,528,539 km (0.118 R)
• M21: 6,285,205 km (0.074 R)
• M22: 7,040,674 km (0.063 R)
• M23: 7,824,717 km (0.064 R)
• M24: 8,174,327 km (0.053 R)
• M25: 8,315,697 km (0.061 R)
• M26: 9,810,329 km (0.086 R)
• M27: 10,073,771 km (0.098 R)
• M28: 10,916,905 km (0.05 R)
• M29: 11,862,363 km (0.096 R)
• M30: 12,385,507 km (0.076 R)
• M31: 12,466,739 km (0.106 R)
• M32: 12,629,651 km (0.096 R)
• M33: 12,793,161 km (0.056 R)
• M34: 13,496,122 km (0.082 R)
• M35: 13,831,370 km (0.114 R)
• M36: 14,084,490 km (0.035 R)
• M37: 14,467,161 km (0.099 R)
• M38: 14,982,825 km (0.12 R)
• M39: 15,417,108 km (0.097 R)
• M40: 15,987,824 km (0.079 R)
• M41: 17,376,840 km (0.095 R)
• M42: 17,970,743 km (0.085 R)
• M43: 18,062,746 km (0.092 R)
• M44: 18,617,754 km (0.114 R)
• M45: 18,757,479 km (0.107 R)
• M46: 19,037,825 km (0.046 R)
• M47: 19,650,129 km (0.062 R)
• M48: 20,508,372 km (0.094 R)
• M49: 21,330,412 km (0.118 R)
• M50: 21,476,570 km (0.085 R)
• M51: 22,311,026 km (0.119 R)
• M52: 23,056,323 km (0.045 R)
• M53: 23,608,040 km (0.116 R)
• M54: 24,929,139 km (0.118 R)
• M55: 25,031,763 km (0.112 R)
• M56: 25,495,367 km (0.088 R)
• M57: 25,857,992 km (0.118 R)
• M58: 27,272,290 km (0.093 R)
• M59: 27,749,208 km (0.085 R)
• M60: 29,630,401 km (0.114 R)
• M61: 30,284,743 km (0.083 R)
• M62: 30,723,663 km (0.111 R)
• M63: 32,053,139 km (0.091 R)
• M64: 32,668,734 km (0.084 R)
• M65: 32,893,580 km (0.086 R)
• M66: 36,618,417 km (0.052 R)
• M67: 36,793,596 km (0.068 R)
• M68: 37,791,115 km (0.101 R)
• M69: 38,441,417 km (0.103 R)
• M70: 38,619,438 km (0.117 R)
• M71: 39,513,435 km (0.109 R)
• M72: 39,873,068 km (0.108 R)
• M73: 40,173,461 km (0.063 R)

Planet 8 - Gas Giant

Semi-Major Axis: 12.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 771.8

Radius: 13

Gravity: 4.57 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 10.79 AU - 14.49 AU

Year: 16095 Days

Day: 13.5 Hours

Environment

Temp: -187 °C

Axial Tilt: 7.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (84)

Outer Limit: 80,344,211 km

• M1: 287,228 km (0.106 R)
• M2: 369,656 km (0.08 R)
• M3: 792,420 km (0.111 R)
• M4: 880,383 km (0.076 R)
• M5: 1,019,210 km (0.111 R)
• M6: 1,191,248 km (0.101 R)
• M7: 1,294,171 km (0.047 R)
• M8: 1,707,959 km (0.085 R)
• M9: 1,855,313 km (0.066 R)
• M10: 2,689,022 km (0.068 R)
• M11: 2,896,664 km (0.074 R)
• M12: 3,073,787 km (0.045 R)
• M13: 3,254,651 km (0.102 R)
• M14: 3,779,889 km (0.097 R)
• M15: 4,494,518 km (0.057 R)
• M16: 5,036,661 km (0.105 R)
• M17: 5,207,651 km (0.118 R)
• M18: 5,380,587 km (0.106 R)
• M19: 5,821,452 km (0.099 R)
• M20: 6,597,864 km (0.113 R)
• M21: 6,785,311 km (0.106 R)
• M22: 6,974,552 km (0.115 R)
• M23: 8,247,031 km (0.086 R)
• M24: 8,704,203 km (0.094 R)
• M25: 8,961,660 km (0.091 R)
• M26: 9,590,121 km (0.12 R)
• M27: 9,856,256 km (0.039 R)
• M28: 10,178,789 km (0.062 R)
• M29: 10,504,762 km (0.09 R)
• M30: 11,111,531 km (0.119 R)
• M31: 13,294,015 km (0.083 R)
• M32: 13,412,496 km (0.118 R)
• M33: 13,590,817 km (0.12 R)
• M34: 13,950,001 km (0.075 R)
• M35: 14,070,428 km (0.072 R)
• M36: 14,494,687 km (0.074 R)
• M37: 15,918,111 km (0.098 R)
• M38: 16,934,479 km (0.071 R)
• M39: 17,450,442 km (0.073 R)
• M40: 19,029,597 km (0.108 R)
• M41: 19,297,228 km (0.063 R)
• M42: 20,175,666 km (0.112 R)
• M43: 21,205,349 km (0.108 R)
• M44: 21,901,427 km (0.116 R)
• M45: 22,393,006 km (0.12 R)
• M46: 22,534,226 km (0.073 R)
• M47: 23,458,891 km (0.092 R)
• M48: 24,106,350 km (0.075 R)
• M49: 24,759,644 km (0.101 R)
• M50: 24,905,652 km (0.091 R)
• M51: 29,262,091 km (0.11 R)
• M52: 29,648,503 km (0.091 R)
• M53: 30,270,381 km (0.04 R)
• M54: 32,400,804 km (0.057 R)
• M55: 32,560,575 km (0.113 R)
• M56: 32,800,680 km (0.108 R)
• M57: 34,172,342 km (0.116 R)
• M58: 36,887,993 km (0.046 R)
• M59: 38,398,333 km (0.061 R)
• M60: 39,672,308 km (0.096 R)
• M61: 39,843,149 km (0.087 R)
• M62: 41,739,452 km (0.077 R)
• M63: 41,826,368 km (0.063 R)
• M64: 42,348,913 km (0.071 R)
• M65: 43,312,772 km (0.086 R)
• M66: 44,106,688 km (0.093 R)
• M67: 46,427,101 km (0.065 R)
• M68: 47,874,759 km (0.118 R)
• M69: 48,604,049 km (0.116 R)
• M70: 50,906,959 km (0.113 R)
• M71: 51,464,959 km (0.106 R)
• M72: 53,245,173 km (0.104 R)
• M73: 54,095,488 km (0.11 R)
• M74: 54,190,333 km (0.073 R)
• M75: 55,713,987 km (0.093 R)
• M76: 56,865,891 km (0.06 R)
• M77: 56,962,232 km (0.071 R)
• M78: 59,780,207 km (0.1 R)
• M79: 59,878,193 km (0.105 R)
• M80: 60,467,160 km (0.104 R)
• M81: 65,651,624 km (0.101 R)
• M82: 67,071,607 km (0.044 R)
• M83: 67,887,514 km (0.118 R)
• M84: 68,296,664 km (0.117 R)

Planet 9 - Ice Giant

Semi-Major Axis: 12.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 110.8

Radius: 7.7

Gravity: 1.87 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 11.71 AU - 13.95 AU

Year: 16459 Days

Day: 19.4 Hours

Environment

Temp: -182 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (77)

Outer Limit: 80,344,211 km

• M1: 284,386 km (0.091 R)
• M2: 364,720 km (0.111 R)
• M3: 430,842 km (0.063 R)
• M4: 603,029 km (0.068 R)
• M5: 669,899 km (0.095 R)
• M6: 841,638 km (0.066 R)
• M7: 1,937,143 km (0.116 R)
• M8: 2,247,558 km (0.091 R)
• M9: 2,754,097 km (0.073 R)
• M10: 3,032,199 km (0.092 R)
• M11: 3,126,895 km (0.095 R)
• M12: 3,295,043 km (0.082 R)
• M13: 3,590,199 km (0.086 R)
• M14: 3,971,225 km (0.079 R)
• M15: 4,445,450 km (0.096 R)
• M16: 4,771,574 km (0.11 R)
• M17: 4,993,278 km (0.088 R)
• M18: 5,161,875 km (0.095 R)
• M19: 6,152,063 km (0.078 R)
• M20: 6,332,927 km (0.083 R)
• M21: 6,576,622 km (0.074 R)
• M22: 6,916,957 km (0.101 R)
• M23: 7,073,436 km (0.057 R)
• M24: 7,231,262 km (0.068 R)
• M25: 7,971,771 km (0.094 R)
• M26: 8,136,030 km (0.106 R)
• M27: 8,973,778 km (0.091 R)
• M28: 9,944,219 km (0.058 R)
• M29: 10,050,135 km (0.047 R)
• M30: 10,585,695 km (0.104 R)
• M31: 11,093,729 km (0.059 R)
• M32: 11,684,192 km (0.047 R)
• M33: 11,758,692 km (0.104 R)
• M34: 12,209,131 km (0.046 R)
• M35: 12,588,810 km (0.098 R)
• M36: 13,476,973 km (0.095 R)
• M37: 14,345,089 km (0.093 R)
• M38: 15,068,844 km (0.098 R)
• M39: 15,435,209 km (0.077 R)
• M40: 15,517,039 km (0.102 R)
• M41: 16,972,028 km (0.116 R)
• M42: 17,098,737 km (0.117 R)
• M43: 17,566,081 km (0.118 R)
• M44: 17,908,660 km (0.111 R)
• M45: 18,123,782 km (0.082 R)
• M46: 18,556,868 km (0.046 R)
• M47: 18,731,000 km (0.113 R)
• M48: 19,256,687 km (0.081 R)
• M49: 19,876,321 km (0.083 R)
• M50: 20,233,262 km (0.115 R)
• M51: 20,457,359 km (0.086 R)
• M52: 21,544,786 km (0.081 R)
• M53: 21,957,377 km (0.075 R)
• M54: 22,837,013 km (0.088 R)
• M55: 23,775,440 km (0.065 R)
• M56: 23,869,986 km (0.051 R)
• M57: 24,154,222 km (0.096 R)
• M58: 24,249,366 km (0.055 R)
• M59: 24,630,691 km (0.077 R)
• M60: 25,254,664 km (0.101 R)
• M61: 25,351,154 km (0.114 R)
• M62: 25,980,961 km (0.097 R)
• M63: 26,029,730 km (0.1 R)
• M64: 26,273,575 km (0.117 R)
• M65: 26,371,262 km (0.062 R)
• M66: 26,763,358 km (0.068 R)
• M67: 26,960,229 km (0.096 R)
• M68: 27,009,447 km (0.056 R)
• M69: 27,108,181 km (0.085 R)
• M70: 29,055,646 km (0.087 R)
• M71: 31,306,346 km (0.078 R)
• M72: 31,929,721 km (0.076 R)
• M73: 32,400,056 km (0.09 R)
• M74: 32,714,960 km (0.103 R)
• M75: 33,453,525 km (0.095 R)
• M76: 34,518,063 km (0.047 R)
• M77: 34,732,287 km (0.103 R)

Planet 10 - Ice Giant

Semi-Major Axis: 18.12 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 422.7

Radius: 3.4

Gravity: 36.57 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 15.89 AU - 20.35 AU

Year: 27626 Days

Day: 23.3 Hours

Environment

Temp: -187 °C

Axial Tilt: 4.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (95)

Outer Limit: 80,344,211 km

• M1: 220,208 km (0.074 R)
• M2: 378,931 km (0.083 R)
• M3: 637,137 km (0.119 R)
• M4: 660,774 km (0.118 R)
• M5: 860,487 km (0.095 R)
• M6: 967,150 km (0.095 R)
• M7: 2,852,831 km (0.086 R)
• M8: 3,297,287 km (0.056 R)
• M9: 3,548,611 km (0.047 R)
• M10: 3,719,751 km (0.071 R)
• M11: 4,384,714 km (0.096 R)
• M12: 4,707,396 km (0.089 R)
• M13: 5,375,500 km (0.068 R)
• M14: 5,473,337 km (0.042 R)
• M15: 5,522,555 km (0.076 R)
• M16: 6,277,276 km (0.102 R)
• M17: 6,380,349 km (0.074 R)
• M18: 6,957,049 km (0.103 R)
• M19: 7,825,315 km (0.063 R)
• M20: 8,669,795 km (0.119 R)
• M21: 8,784,686 km (0.067 R)
• M22: 9,483,757 km (0.115 R)
• M23: 9,602,089 km (0.088 R)
• M24: 9,780,410 km (0.103 R)
• M25: 10,749,804 km (0.113 R)
• M26: 11,121,106 km (0.108 R)
• M27: 12,843,426 km (0.06 R)
• M28: 14,715,045 km (0.055 R)
• M29: 14,783,411 km (0.077 R)
• M30: 14,920,443 km (0.059 R)
• M31: 15,473,207 km (0.114 R)
• M32: 17,027,379 km (0.066 R)
• M33: 17,099,186 km (0.065 R)
• M34: 17,968,948 km (0.091 R)
• M35: 18,556,569 km (0.099 R)
• M36: 18,704,521 km (0.098 R)
• M37: 19,525,065 km (0.096 R)
• M38: 19,600,163 km (0.087 R)
• M39: 19,826,355 km (0.107 R)
• M40: 20,433,424 km (0.109 R)
• M41: 20,969,732 km (0.117 R)
• M42: 21,433,037 km (0.04 R)
• M43: 21,510,678 km (0.111 R)
• M44: 22,843,146 km (0.091 R)
• M45: 23,479,386 km (0.104 R)
• M46: 24,040,976 km (0.083 R)
• M47: 25,259,002 km (0.09 R)
• M48: 26,247,844 km (0.1 R)
• M49: 26,330,871 km (0.074 R)
• M50: 26,747,052 km (0.096 R)
• M51: 27,501,624 km (0.112 R)
• M52: 28,093,283 km (0.104 R)
• M53: 29,461,505 km (0.086 R)
• M54: 30,589,025 km (0.105 R)
• M55: 31,642,343 km (0.085 R)
• M56: 31,819,018 km (0.109 R)
• M57: 32,529,159 km (0.104 R)
• M58: 35,329,482 km (0.061 R)
• M59: 35,880,451 km (0.114 R)
• M60: 37,363,265 km (0.12 R)
• M61: 37,549,963 km (0.105 R)
• M62: 41,156,917 km (0.041 R)
• M63: 41,639,670 km (0.073 R)
• M64: 45,369,294 km (0.109 R)
• M65: 46,569,069 km (0.041 R)
• M66: 47,374,803 km (0.029 R)
• M67: 47,475,782 km (0.118 R)
• M68: 48,388,179 km (0.092 R)
• M69: 48,490,055 km (0.12 R)
• M70: 50,127,554 km (0.099 R)
• M71: 50,643,068 km (0.035 R)
• M72: 51,679,183 km (0.111 R)
• M73: 52,095,663 km (0.075 R)
• M74: 52,722,329 km (0.052 R)
• M75: 54,617,435 km (0.029 R)
• M76: 55,679,879 km (0.118 R)
• M77: 56,000,018 km (0.118 R)
• M78: 57,717,252 km (0.12 R)
• M79: 59,234,025 km (0.068 R)
• M80: 60,215,985 km (0.097 R)
• M81: 60,983,422 km (0.081 R)
• M82: 63,305,181 km (0.112 R)
• M83: 65,543,165 km (0.075 R)
• M84: 71,250,175 km (0.064 R)
• M85: 71,365,963 km (0.069 R)
• M86: 71,481,752 km (0.086 R)
• M87: 74,632,433 km (0.108 R)
• M88: 75,456,568 km (0.053 R)
• M89: 75,928,998 km (0.108 R)
• M90: 76,047,180 km (0.053 R)
• M91: 76,402,176 km (0.114 R)
• M92: 76,520,657 km (0.035 R)
• M93: 77,589,833 km (0.047 R)
• M94: 78,424,739 km (0.036 R)
• M95: 78,903,153 km (0.114 R)

Kuiper Belt

Range: 30.6 - 45.6 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 221 - 15,386 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit