🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.22

Radius: 1.38

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 0.58 AU - 0.74 AU

Year: 232 Days

Day: 17.8 Hours

Environment

Temp: 1 °C

Axial Tilt: 31.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 43,064,135 km

• M1: 439,519 km (0.118 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.74 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.14

Radius: 1.05

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 0.61 AU - 0.87 AU

Year: 276 Days

Day: 46.4 Hours

Environment

Temp: -3 °C

Axial Tilt: 29.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 43,064,135 km

• M1: 148,102 km (0.089 R)
• M2: 355,145 km (0.079 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.53

Radius: 1.19

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 1.22 AU - 1.86 AU

Year: 828 Days

Day: 20 Hours

Environment

Temp: -98 °C

Axial Tilt: 41.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.75 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.03

Radius: 1.75

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 1.54 AU - 1.96 AU

Year: 1004 Days

Day: 16.8 Hours

Environment

Temp: -103 °C

Axial Tilt: 13.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.1 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.96

Radius: 1.54

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 2 AU - 2.2 AU

Year: 1319 Days

Day: 16.7 Hours

Environment

Temp: -119 °C

Axial Tilt: 62.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.72 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 5.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 31.9

Radius: 13.4

Gravity: 0.18 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 4.85 AU - 5.81 AU

Year: 5334 Days

Day: 5.2 Hours

Environment

Temp: -169 °C

Axial Tilt: 26 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (48)

Outer Limit: 43,064,135 km

• M1: 213,476 km (0.104 R)
• M2: 343,327 km (0.09 R)
• M3: 453,431 km (0.089 R)
• M4: 557,850 km (0.099 R)
• M5: 714,779 km (0.092 R)
• M6: 802,892 km (0.113 R)
• M7: 1,136,345 km (0.042 R)
• M8: 1,383,332 km (0.09 R)
• M9: 1,480,570 km (0.112 R)
• M10: 1,605,784 km (0.066 R)
• M11: 2,142,391 km (0.081 R)
• M12: 2,580,563 km (0.112 R)
• M13: 2,774,143 km (0.094 R)
• M14: 2,899,057 km (0.103 R)
• M15: 2,993,902 km (0.081 R)
• M16: 3,186,883 km (0.118 R)
• M17: 3,406,194 km (0.12 R)
• M18: 3,585,263 km (0.115 R)
• M19: 3,744,734 km (0.059 R)
• M20: 3,859,924 km (0.044 R)
• M21: 4,393,540 km (0.114 R)
• M22: 4,737,465 km (0.081 R)
• M23: 4,963,358 km (0.096 R)
• M24: 5,128,664 km (0.094 R)
• M25: 5,244,153 km (0.086 R)
• M26: 5,438,780 km (0.047 R)
• M27: 5,530,334 km (0.067 R)
• M28: 5,808,287 km (0.082 R)
• M29: 5,915,399 km (0.037 R)
• M30: 6,023,259 km (0.103 R)
• M31: 6,186,171 km (0.055 R)
• M32: 6,281,914 km (0.043 R)
• M33: 6,558,071 km (0.08 R)
• M34: 7,324,013 km (0.086 R)
• M35: 7,468,973 km (0.12 R)
• M36: 7,703,094 km (0.108 R)
• M37: 8,208,286 km (0.083 R)
• M38: 8,449,886 km (0.118 R)
• M39: 8,540,991 km (0.038 R)
• M40: 8,770,474 km (0.105 R)
• M41: 8,878,185 km (0.106 R)
• M42: 9,345,229 km (0.118 R)
• M43: 9,502,606 km (0.077 R)
• M44: 9,756,324 km (0.086 R)
• M45: 10,189,709 km (0.117 R)
• M46: 11,058,574 km (0.106 R)
• M47: 11,191,716 km (0.097 R)
• M48: 11,292,096 km (0.088 R)

Planet 7 - Gas Giant

Semi-Major Axis: 6.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 228.5

Radius: 10

Gravity: 2.29 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 4.86 AU - 7.36 AU

Year: 6547 Days

Day: 6.7 Hours

Environment

Temp: -175 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (80)

Outer Limit: 43,064,135 km

• M1: 194,926 km (0.108 R)
• M2: 331,359 km (0.101 R)
• M3: 463,753 km (0.061 R)
• M4: 566,527 km (0.105 R)
• M5: 797,656 km (0.069 R)
• M6: 889,509 km (0.083 R)
• M7: 1,071,719 km (0.074 R)
• M8: 1,148,164 km (0.066 R)
• M9: 1,333,964 km (0.103 R)
• M10: 1,430,754 km (0.032 R)
• M11: 1,646,325 km (0.068 R)
• M12: 1,887,925 km (0.077 R)
• M13: 2,076,718 km (0.089 R)
• M14: 2,206,120 km (0.105 R)
• M15: 2,371,725 km (0.109 R)
• M16: 2,490,206 km (0.106 R)
• M17: 2,715,351 km (0.12 R)
• M18: 3,148,736 km (0.075 R)
• M19: 3,373,582 km (0.088 R)
• M20: 3,545,769 km (0.119 R)
• M21: 4,059,488 km (0.03 R)
• M22: 4,140,719 km (0.063 R)
• M23: 4,345,818 km (0.057 R)
• M24: 4,428,995 km (0.062 R)
• M25: 4,533,563 km (0.052 R)
• M26: 4,638,880 km (0.053 R)
• M27: 5,003,301 km (0.059 R)
• M28: 5,068,675 km (0.098 R)
• M29: 5,266,294 km (0.106 R)
• M30: 5,444,016 km (0.101 R)
• M31: 5,669,161 km (0.091 R)
• M32: 5,760,116 km (0.098 R)
• M33: 6,245,262 km (0.11 R)
• M34: 6,339,210 km (0.088 R)
• M35: 6,409,970 km (0.076 R)
• M36: 6,815,978 km (0.11 R)
• M37: 8,888,956 km (0.118 R)
• M38: 9,180,971 km (0.085 R)
• M39: 9,801,652 km (0.062 R)
• M40: 10,269,146 km (0.08 R)
• M41: 10,435,947 km (0.103 R)
• M42: 10,575,672 km (0.105 R)
• M43: 10,659,746 km (0.085 R)
• M44: 10,856,766 km (0.116 R)
• M45: 10,970,012 km (0.097 R)
• M46: 11,055,133 km (0.046 R)
• M47: 11,168,977 km (0.11 R)
• M48: 11,254,697 km (0.09 R)
• M49: 11,484,180 km (0.11 R)
• M50: 11,860,418 km (0.054 R)
• M51: 11,947,784 km (0.096 R)
• M52: 12,211,225 km (0.113 R)
• M53: 12,506,232 km (0.05 R)
• M54: 12,684,403 km (0.106 R)
• M55: 13,284,441 km (0.088 R)
• M56: 13,587,825 km (0.074 R)
• M57: 14,201,625 km (0.081 R)
• M58: 15,139,155 km (0.096 R)
• M59: 16,323,072 km (0.093 R)
• M60: 17,172,639 km (0.083 R)
• M61: 17,602,733 km (0.08 R)
• M62: 17,735,875 km (0.104 R)
• M63: 17,835,956 km (0.118 R)
• M64: 17,902,676 km (0.099 R)
• M65: 17,969,547 km (0.101 R)
• M66: 18,137,096 km (0.094 R)
• M67: 18,372,563 km (0.118 R)
• M68: 19,358,862 km (0.08 R)
• M69: 19,910,429 km (0.083 R)
• M70: 20,083,813 km (0.12 R)
• M71: 20,536,945 km (0.081 R)
• M72: 20,712,274 km (0.119 R)
• M73: 20,958,362 km (0.114 R)
• M74: 21,240,803 km (0.098 R)
• M75: 22,024,247 km (0.091 R)
• M76: 23,216,991 km (0.12 R)
• M77: 23,692,563 km (0.107 R)
• M78: 23,986,822 km (0.102 R)
• M79: 24,727,930 km (0.088 R)
• M80: 24,988,978 km (0.055 R)

Planet 8 - Gas Giant

Semi-Major Axis: 7.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 617.5

Radius: 8.2

Gravity: 9.18 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 6.58 AU - 8.84 AU

Year: 9280 Days

Day: 11.9 Hours

Environment

Temp: -180 °C

Axial Tilt: 26.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (91)

Outer Limit: 43,064,135 km

• M1: 152,739 km (0.117 R)
• M2: 608,115 km (0.119 R)
• M3: 668,852 km (0.045 R)
• M4: 830,268 km (0.057 R)
• M5: 1,133,952 km (0.066 R)
• M6: 1,288,636 km (0.111 R)
• M7: 1,409,212 km (0.073 R)
• M8: 1,576,014 km (0.085 R)
• M9: 1,705,416 km (0.103 R)
• M10: 1,771,538 km (0.114 R)
• M11: 1,951,953 km (0.113 R)
• M12: 2,330,735 km (0.099 R)
• M13: 2,553,935 km (0.095 R)
• M14: 2,994,351 km (0.108 R)
• M15: 3,209,922 km (0.077 R)
• M16: 3,264,525 km (0.101 R)
• M17: 3,347,103 km (0.115 R)
• M18: 4,981,609 km (0.088 R)
• M19: 5,045,188 km (0.102 R)
• M20: 6,233,893 km (0.064 R)
• M21: 6,718,889 km (0.051 R)
• M22: 6,930,421 km (0.084 R)
• M23: 7,251,757 km (0.103 R)
• M24: 8,245,236 km (0.062 R)
• M25: 8,358,183 km (0.094 R)
• M26: 8,777,057 km (0.093 R)
• M27: 9,124,722 km (0.115 R)
• M28: 9,913,701 km (0.1 R)
• M29: 10,235,337 km (0.061 R)
• M30: 11,852,041 km (0.088 R)
• M31: 12,193,573 km (0.042 R)
• M32: 12,842,379 km (0.065 R)
• M33: 13,413,693 km (0.093 R)
• M34: 13,502,405 km (0.114 R)
• M35: 13,635,696 km (0.094 R)
• M36: 13,903,776 km (0.103 R)
• M37: 14,263,708 km (0.034 R)
• M38: 14,399,543 km (0.045 R)
• M39: 14,901,145 km (0.082 R)
• M40: 15,408,581 km (0.119 R)
• M41: 15,548,006 km (0.055 R)
• M42: 16,250,966 km (0.117 R)
• M43: 16,677,919 km (0.118 R)
• M44: 17,108,312 km (0.115 R)
• M45: 17,494,125 km (0.118 R)
• M46: 17,785,392 km (0.114 R)
• M47: 17,882,780 km (0.109 R)
• M48: 19,015,984 km (0.071 R)
• M49: 19,465,675 km (0.036 R)
• M50: 19,817,978 km (0.073 R)
• M51: 20,172,226 km (0.029 R)
• M52: 20,324,666 km (0.059 R)
• M53: 20,835,842 km (0.09 R)
• M54: 21,506,489 km (0.117 R)
• M55: 21,662,370 km (0.104 R)
• M56: 22,184,317 km (0.048 R)
• M57: 22,394,352 km (0.045 R)
• M58: 22,552,328 km (0.073 R)
• M59: 24,801,681 km (0.118 R)
• M60: 25,677,278 km (0.037 R)
• M61: 25,787,382 km (0.072 R)
• M62: 26,618,548 km (0.051 R)
• M63: 26,785,948 km (0.091 R)
• M64: 27,065,546 km (0.117 R)
• M65: 27,514,938 km (0.097 R)
• M66: 27,740,532 km (0.091 R)
• M67: 27,966,724 km (0.075 R)
• M68: 28,935,071 km (0.066 R)
• M69: 29,164,554 km (0.116 R)
• M70: 29,221,999 km (0.084 R)
• M71: 29,856,444 km (0.081 R)
• M72: 30,146,365 km (0.084 R)
• M73: 30,670,555 km (0.092 R)
• M74: 30,963,019 km (0.064 R)
• M75: 31,433,056 km (0.075 R)
• M76: 31,550,939 km (0.064 R)
• M77: 31,668,972 km (0.117 R)
• M78: 33,396,528 km (0.102 R)
• M79: 34,180,720 km (0.104 R)
• M80: 34,666,464 km (0.069 R)
• M81: 35,276,823 km (0.115 R)
• M82: 36,198,945 km (0.105 R)
• M83: 36,260,729 km (0.098 R)
• M84: 36,693,964 km (0.03 R)
• M85: 37,066,762 km (0.103 R)
• M86: 37,440,757 km (0.112 R)
• M87: 37,690,735 km (0.066 R)
• M88: 39,075,861 km (0.049 R)
• M89: 39,647,325 km (0.072 R)
• M90: 39,902,090 km (0.043 R)
• M91: 43,198,928 km (0.113 R)

Planet 9 - Gas Giant

Semi-Major Axis: 8.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 487.7

Radius: 14.6

Gravity: 2.29 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 7.96 AU - 8.82 AU

Year: 10534 Days

Day: 11.6 Hours

Environment

Temp: -192 °C

Axial Tilt: 45.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (82)

Outer Limit: 43,064,135 km

• M1: 202,107 km (0.056 R)
• M2: 1,051,972 km (0.099 R)
• M3: 1,683,126 km (0.082 R)
• M4: 1,880,146 km (0.07 R)
• M5: 2,493,348 km (0.074 R)
• M6: 3,220,393 km (0.055 R)
• M7: 3,693,123 km (0.106 R)
• M8: 3,807,565 km (0.085 R)
• M9: 3,923,354 km (0.092 R)
• M10: 4,277,602 km (0.12 R)
• M11: 4,519,800 km (0.059 R)
• M12: 4,828,870 km (0.11 R)
• M13: 5,241,012 km (0.05 R)
• M14: 5,631,911 km (0.07 R)
• M15: 5,764,156 km (0.063 R)
• M16: 5,931,256 km (0.046 R)
• M17: 6,650,074 km (0.092 R)
• M18: 6,825,403 km (0.083 R)
• M19: 7,252,505 km (0.101 R)
• M20: 7,724,935 km (0.076 R)
• M21: 8,282,636 km (0.099 R)
• M22: 9,124,273 km (0.079 R)
• M23: 9,476,427 km (0.105 R)
• M24: 10,437,593 km (0.037 R)
• M25: 10,723,774 km (0.092 R)
• M26: 10,847,192 km (0.111 R)
• M27: 11,852,041 km (0.065 R)
• M28: 12,107,853 km (0.095 R)
• M29: 13,017,857 km (0.103 R)
• M30: 13,193,635 km (0.116 R)
• M31: 13,770,634 km (0.077 R)
• M32: 14,355,860 km (0.093 R)
• M33: 14,811,536 km (0.104 R)
• M34: 15,877,869 km (0.045 R)
• M35: 16,729,530 km (0.116 R)
• M36: 17,016,758 km (0.069 R)
• M37: 17,112,949 km (0.045 R)
• M38: 17,209,141 km (0.061 R)
• M39: 17,644,770 km (0.08 R)
• M40: 18,625,683 km (0.109 R)
• M41: 19,023,015 km (0.086 R)
• M42: 19,473,454 km (0.078 R)
• M43: 19,725,227 km (0.067 R)
• M44: 19,826,206 km (0.074 R)
• M45: 20,130,189 km (0.083 R)
• M46: 20,231,915 km (0.11 R)
• M47: 20,333,791 km (0.117 R)
• M48: 20,691,629 km (0.105 R)
• M49: 21,673,590 km (0.089 R)
• M50: 21,934,489 km (0.111 R)
• M51: 22,091,566 km (0.118 R)
• M52: 22,459,428 km (0.119 R)
• M53: 24,546,318 km (0.115 R)
• M54: 26,415,842 km (0.096 R)
• M55: 26,527,293 km (0.112 R)
• M56: 26,862,392 km (0.101 R)
• M57: 28,046,459 km (0.112 R)
• M58: 28,273,848 km (0.065 R)
• M59: 28,730,720 km (0.1 R)
• M60: 29,536,005 km (0.089 R)
• M61: 30,465,307 km (0.115 R)
• M62: 30,992,340 km (0.092 R)
• M63: 31,404,333 km (0.101 R)
• M64: 33,914,136 km (0.117 R)
• M65: 34,156,485 km (0.083 R)
• M66: 35,254,384 km (0.056 R)
• M67: 35,684,478 km (0.066 R)
• M68: 36,116,367 km (0.073 R)
• M69: 36,985,231 km (0.117 R)
• M70: 37,234,760 km (0.103 R)
• M71: 37,860,977 km (0.059 R)
• M72: 38,112,451 km (0.12 R)
• M73: 39,187,461 km (0.038 R)
• M74: 39,569,235 km (0.113 R)
• M75: 39,760,571 km (0.082 R)
• M76: 40,464,878 km (0.091 R)
• M77: 41,302,476 km (0.095 R)
• M78: 42,145,909 km (0.113 R)
• M79: 42,406,508 km (0.116 R)
• M80: 42,602,332 km (0.115 R)
• M81: 42,863,979 km (0.087 R)
• M82: 43,191,748 km (0.052 R)

Planet 10 - Gas Giant

Semi-Major Axis: 8.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 382.7

Radius: 10.2

Gravity: 3.68 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 7.53 AU - 10.15 AU

Year: 11393 Days

Day: 6.9 Hours

Environment

Temp: -199 °C

Axial Tilt: 41 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (81)

Outer Limit: 43,064,135 km

• M1: 130,749 km (0.11 R)
• M2: 483,351 km (0.072 R)
• M3: 711,188 km (0.083 R)
• M4: 1,008,738 km (0.066 R)
• M5: 1,444,068 km (0.1 R)
• M6: 1,546,244 km (0.049 R)
• M7: 1,736,233 km (0.083 R)
• M8: 2,047,247 km (0.097 R)
• M9: 2,646,237 km (0.075 R)
• M10: 3,109,990 km (0.108 R)
• M11: 3,405,895 km (0.087 R)
• M12: 3,515,700 km (0.083 R)
• M13: 3,938,463 km (0.041 R)
• M14: 4,025,080 km (0.118 R)
• M15: 4,347,763 km (0.055 R)
• M16: 4,956,028 km (0.116 R)
• M17: 5,655,847 km (0.066 R)
• M18: 6,352,674 km (0.085 R)
• M19: 7,754,106 km (0.116 R)
• M20: 8,639,277 km (0.069 R)
• M21: 8,903,467 km (0.083 R)
• M22: 8,979,463 km (0.089 R)
• M23: 11,647,391 km (0.089 R)
• M24: 11,855,781 km (0.054 R)
• M25: 12,615,888 km (0.091 R)
• M26: 12,829,962 km (0.096 R)
• M27: 13,741,761 km (0.093 R)
• M28: 13,961,969 km (0.102 R)
• M29: 14,495,136 km (0.089 R)
• M30: 14,764,263 km (0.069 R)
• M31: 15,261,975 km (0.059 R)
• M32: 15,398,707 km (0.09 R)
• M33: 15,627,442 km (0.119 R)
• M34: 16,134,579 km (0.117 R)
• M35: 17,307,277 km (0.106 R)
• M36: 17,402,272 km (0.1 R)
• M37: 17,497,416 km (0.094 R)
• M38: 17,592,859 km (0.108 R)
• M39: 17,688,303 km (0.098 R)
• M40: 18,216,832 km (0.074 R)
• M41: 19,191,013 km (0.112 R)
• M42: 19,387,884 km (0.119 R)
• M43: 20,684,000 km (0.065 R)
• M44: 21,037,649 km (0.116 R)
• M45: 22,265,549 km (0.086 R)
• M46: 22,472,443 km (0.073 R)
• M47: 22,731,995 km (0.113 R)
• M48: 23,044,654 km (0.109 R)
• M49: 23,306,451 km (0.092 R)
• M50: 23,621,803 km (0.116 R)
• M51: 23,885,694 km (0.099 R)
• M52: 24,309,953 km (0.113 R)
• M53: 25,977,371 km (0.091 R)
• M54: 26,852,369 km (0.053 R)
• M55: 26,962,473 km (0.1 R)
• M56: 27,072,577 km (0.085 R)
• M57: 27,459,587 km (0.111 R)
• M58: 29,705,350 km (0.11 R)
• M59: 30,735,182 km (0.096 R)
• M60: 30,965,562 km (0.113 R)
• M61: 31,602,251 km (0.11 R)
• M62: 32,126,292 km (0.111 R)
• M63: 32,770,760 km (0.082 R)
• M64: 33,360,325 km (0.044 R)
• M65: 34,550,077 km (0.113 R)
• M66: 35,511,692 km (0.052 R)
• M67: 36,056,528 km (0.072 R)
• M68: 36,178,001 km (0.088 R)
• M69: 36,360,510 km (0.116 R)
• M70: 36,848,499 km (0.104 R)
• M71: 37,523,036 km (0.063 R)
• M72: 37,830,908 km (0.045 R)
• M73: 38,263,545 km (0.079 R)
• M74: 38,449,346 km (0.092 R)
• M75: 38,821,994 km (0.032 R)
• M76: 39,133,457 km (0.09 R)
• M77: 40,072,931 km (0.104 R)
• M78: 40,450,815 km (0.087 R)
• M79: 41,210,025 km (0.107 R)
• M80: 42,293,562 km (0.117 R)
• M81: 42,806,832 km (0.107 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 421 - 13,504 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit