🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.37

Radius: 1.63

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 0.51 AU - 0.57 AU

Year: 139 Days

Day: 46.9 Hours

Environment

Temp: 262 °C

Axial Tilt: 33 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.56

Radius: 1.83

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 0.58 AU - 0.66 AU

Year: 171 Days

Day: 20.2 Hours

Environment

Temp: 167 °C

Axial Tilt: 142.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 70,657,274 km

• M1: 43,533 km (0.086 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.6 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.69

Radius: 1.49

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 1.55 AU - 1.65 AU

Year: 708 Days

Day: 42.2 Hours

Environment

Temp: -14 °C

Axial Tilt: 18.7 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (2)

Outer Limit: 70,657,274 km

• M1: 234,569 km (0.1 R)
• M2: 404,812 km (0.113 R)

Asteroid Belt

Center: 2.11 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Terrestrial

Semi-Major Axis: 2.62 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.37

Radius: 1.63

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 2.3 AU - 2.94 AU

Year: 1484 Days

Day: 32.7 Hours

Environment

Temp: -69 °C

Axial Tilt: 10.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Gas Giant

Semi-Major Axis: 7.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 160.8

Radius: 8

Gravity: 2.51 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 7.51 AU - 8.39 AU

Year: 7842 Days

Day: 12.8 Hours

Environment

Temp: -159 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (81)

Outer Limit: 70,657,274 km

• M1: 120,875 km (0.097 R)
• M2: 210,634 km (0.094 R)
• M3: 270,623 km (0.066 R)
• M4: 354,697 km (0.077 R)
• M5: 476,768 km (0.099 R)
• M6: 809,773 km (0.066 R)
• M7: 963,859 km (0.061 R)
• M8: 1,063,491 km (0.118 R)
• M9: 1,166,714 km (0.074 R)
• M10: 1,341,743 km (0.083 R)
• M11: 1,453,792 km (0.081 R)
• M12: 1,687,464 km (0.112 R)
• M13: 1,996,234 km (0.082 R)
• M14: 2,373,370 km (0.1 R)
• M15: 2,527,007 km (0.035 R)
• M16: 2,613,774 km (0.091 R)
• M17: 2,683,935 km (0.071 R)
• M18: 2,826,203 km (0.093 R)
• M19: 2,880,208 km (0.109 R)
• M20: 2,934,512 km (0.067 R)
• M21: 3,248,967 km (0.071 R)
• M22: 3,362,511 km (0.073 R)
• M23: 3,613,237 km (0.115 R)
• M24: 4,051,410 km (0.104 R)
• M25: 4,112,445 km (0.064 R)
• M26: 4,194,276 km (0.116 R)
• M27: 4,611,953 km (0.063 R)
• M28: 4,739,859 km (0.077 R)
• M29: 4,804,336 km (0.119 R)
• M30: 5,804,996 km (0.11 R)
• M31: 6,364,342 km (0.094 R)
• M32: 6,965,426 km (0.094 R)
• M33: 7,161,549 km (0.103 R)
• M34: 8,041,035 km (0.105 R)
• M35: 8,927,851 km (0.071 R)
• M36: 9,248,140 km (0.051 R)
• M37: 9,328,923 km (0.083 R)
• M38: 9,409,856 km (0.105 R)
• M39: 9,572,319 km (0.086 R)
• M40: 9,708,453 km (0.106 R)
• M41: 9,955,290 km (0.075 R)
• M42: 10,120,894 km (0.102 R)
• M43: 10,315,222 km (0.068 R)
• M44: 11,133,822 km (0.095 R)
• M45: 11,219,691 km (0.092 R)
• M46: 11,594,433 km (0.096 R)
• M47: 11,681,350 km (0.059 R)
• M48: 11,739,543 km (0.073 R)
• M49: 11,797,737 km (0.079 R)
• M50: 12,474,518 km (0.111 R)
• M51: 12,534,058 km (0.104 R)
• M52: 12,653,287 km (0.098 R)
• M53: 12,922,713 km (0.035 R)
• M54: 13,559,102 km (0.095 R)
• M55: 13,650,806 km (0.089 R)
• M56: 13,773,476 km (0.085 R)
• M57: 13,988,897 km (0.113 R)
• M58: 14,893,515 km (0.112 R)
• M59: 15,560,423 km (0.046 R)
• M60: 15,656,464 km (0.044 R)
• M61: 15,752,805 km (0.085 R)
• M62: 16,269,516 km (0.118 R)
• M63: 16,399,517 km (0.051 R)
• M64: 17,819,350 km (0.107 R)
• M65: 17,986,900 km (0.103 R)
• M66: 18,526,948 km (0.11 R)
• M67: 19,037,975 km (0.041 R)
• M68: 19,484,674 km (0.115 R)
• M69: 19,657,459 km (0.108 R)
• M70: 19,900,107 km (0.058 R)
• M71: 20,318,383 km (0.108 R)
• M72: 20,493,562 km (0.11 R)
• M73: 20,916,026 km (0.064 R)
• M74: 21,805,236 km (0.118 R)
• M75: 22,489,347 km (0.108 R)
• M76: 22,743,065 km (0.108 R)
• M77: 23,583,805 km (0.085 R)
• M78: 23,989,365 km (0.086 R)
• M79: 24,322,968 km (0.073 R)
• M80: 24,471,818 km (0.083 R)
• M81: 24,658,067 km (0.116 R)

Planet 6 - Gas Giant

Semi-Major Axis: 8.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 170.3

Radius: 9.8

Gravity: 1.77 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 7.51 AU - 9.11 AU

Year: 8381 Days

Day: 6.2 Hours

Environment

Temp: -162 °C

Axial Tilt: 5.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (81)

Outer Limit: 70,657,274 km

• M1: 319,391 km (0.096 R)
• M2: 411,095 km (0.105 R)
• M3: 543,639 km (0.062 R)
• M4: 658,679 km (0.116 R)
• M5: 794,514 km (0.114 R)
• M6: 927,507 km (0.09 R)
• M7: 1,518,867 km (0.1 R)
• M8: 1,717,982 km (0.115 R)
• M9: 1,860,848 km (0.065 R)
• M10: 1,974,692 km (0.109 R)
• M11: 2,107,834 km (0.076 R)
• M12: 2,278,525 km (0.075 R)
• M13: 2,436,052 km (0.075 R)
• M14: 2,743,625 km (0.082 R)
• M15: 2,817,825 km (0.095 R)
• M16: 3,160,105 km (0.047 R)
• M17: 3,515,700 km (0.101 R)
• M18: 3,596,482 km (0.07 R)
• M19: 3,678,013 km (0.064 R)
• M20: 5,246,697 km (0.071 R)
• M21: 5,644,178 km (0.116 R)
• M22: 5,715,237 km (0.081 R)
• M23: 5,954,594 km (0.116 R)
• M24: 6,051,234 km (0.074 R)
• M25: 6,369,129 km (0.088 R)
• M26: 6,567,496 km (0.082 R)
• M27: 6,692,410 km (0.038 R)
• M28: 6,843,504 km (0.119 R)
• M29: 7,148,983 km (0.073 R)
• M30: 7,355,129 km (0.116 R)
• M31: 7,615,579 km (0.1 R)
• M32: 7,826,213 km (0.11 R)
• M33: 7,905,649 km (0.05 R)
• M34: 8,118,976 km (0.117 R)
• M35: 8,199,459 km (0.086 R)
• M36: 8,770,026 km (0.097 R)
• M37: 8,963,156 km (0.08 R)
• M38: 9,101,983 km (0.109 R)
• M39: 9,466,254 km (0.069 R)
• M40: 10,122,241 km (0.072 R)
• M41: 10,209,007 km (0.078 R)
• M42: 10,616,662 km (0.064 R)
• M43: 11,029,701 km (0.12 R)
• M44: 11,689,578 km (0.102 R)
• M45: 12,024,228 km (0.099 R)
• M46: 12,796,602 km (0.111 R)
• M47: 12,859,134 km (0.118 R)
• M48: 12,921,666 km (0.117 R)
• M49: 13,267,835 km (0.087 R)
• M50: 13,362,680 km (0.061 R)
• M51: 13,648,861 km (0.085 R)
• M52: 14,649,820 km (0.108 R)
• M53: 16,110,793 km (0.109 R)
• M54: 16,178,262 km (0.101 R)
• M55: 16,347,457 km (0.037 R)
• M56: 16,483,292 km (0.047 R)
• M57: 16,858,633 km (0.057 R)
• M58: 17,791,824 km (0.045 R)
• M59: 18,001,411 km (0.116 R)
• M60: 18,211,895 km (0.068 R)
• M61: 18,423,277 km (0.112 R)
• M62: 18,670,712 km (0.111 R)
• M63: 18,848,285 km (0.072 R)
• M64: 18,919,493 km (0.098 R)
• M65: 19,816,482 km (0.105 R)
• M66: 20,653,931 km (0.077 R)
• M67: 21,058,593 km (0.097 R)
• M68: 21,577,398 km (0.072 R)
• M69: 21,913,096 km (0.115 R)
• M70: 22,025,295 km (0.091 R)
• M71: 22,175,341 km (0.092 R)
• M72: 23,082,652 km (0.108 R)
• M73: 23,196,945 km (0.106 R)
• M74: 24,427,388 km (0.028 R)
• M75: 24,855,387 km (0.062 R)
• M76: 25,639,579 km (0.107 R)
• M77: 26,074,460 km (0.091 R)
• M78: 26,193,540 km (0.076 R)
• M79: 26,312,769 km (0.104 R)
• M80: 26,392,206 km (0.103 R)
• M81: 26,711,298 km (0.039 R)

Planet 7 - Gas Giant

Semi-Major Axis: 9.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 581.5

Radius: 10.8

Gravity: 4.99 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 8.22 AU - 9.9 AU

Year: 9540 Days

Day: 6.4 Hours

Environment

Temp: -155 °C

Axial Tilt: 1.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (77)

Outer Limit: 70,657,274 km

• M1: 165,754 km (0.097 R)
• M2: 277,354 km (0.079 R)
• M3: 362,176 km (0.109 R)
• M4: 639,381 km (0.11 R)
• M5: 731,085 km (0.041 R)
• M6: 1,071,270 km (0.061 R)
• M7: 1,318,256 km (0.046 R)
• M8: 1,438,683 km (0.077 R)
• M9: 1,822,102 km (0.063 R)
• M10: 2,025,854 km (0.05 R)
• M11: 2,580,563 km (0.031 R)
• M12: 2,836,076 km (0.114 R)
• M13: 3,100,117 km (0.119 R)
• M14: 3,483,087 km (0.066 R)
• M15: 4,414,633 km (0.035 R)
• M16: 5,097,847 km (0.117 R)
• M17: 5,290,080 km (0.107 R)
• M18: 5,419,482 km (0.105 R)
• M19: 5,549,931 km (0.085 R)
• M20: 6,218,035 km (0.061 R)
• M21: 6,286,252 km (0.074 R)
• M22: 6,389,175 km (0.071 R)
• M23: 6,527,105 km (0.077 R)
• M24: 7,886,800 km (0.084 R)
• M25: 8,072,002 km (0.093 R)
• M26: 8,522,740 km (0.091 R)
• M27: 8,904,514 km (0.102 R)
• M28: 9,020,153 km (0.101 R)
• M29: 9,175,137 km (0.116 R)
• M30: 9,487,796 km (0.073 R)
• M31: 10,003,310 km (0.117 R)
• M32: 11,144,593 km (0.106 R)
• M33: 11,899,763 km (0.089 R)
• M34: 12,326,565 km (0.042 R)
• M35: 12,455,668 km (0.109 R)
• M36: 13,327,226 km (0.069 R)
• M37: 13,548,182 km (0.119 R)
• M38: 14,038,713 km (0.079 R)
• M39: 14,353,766 km (0.092 R)
• M40: 14,534,929 km (0.094 R)
• M41: 14,991,053 km (0.108 R)
• M42: 15,082,906 km (0.118 R)
• M43: 15,174,909 km (0.104 R)
• M44: 16,482,394 km (0.062 R)
• M45: 16,767,229 km (0.048 R)
• M46: 17,534,815 km (0.096 R)
• M47: 18,856,064 km (0.035 R)
• M48: 18,955,247 km (0.102 R)
• M49: 19,253,695 km (0.101 R)
• M50: 19,453,558 km (0.098 R)
• M51: 19,905,642 km (0.115 R)
• M52: 21,025,682 km (0.12 R)
• M53: 21,179,917 km (0.038 R)
• M54: 21,697,077 km (0.108 R)
• M55: 22,009,288 km (0.114 R)
• M56: 22,270,635 km (0.106 R)
• M57: 24,506,375 km (0.101 R)
• M58: 24,885,905 km (0.12 R)
• M59: 25,212,776 km (0.1 R)
• M60: 27,935,009 km (0.078 R)
• M61: 30,109,563 km (0.076 R)
• M62: 30,457,977 km (0.061 R)
• M63: 31,864,646 km (0.088 R)
• M64: 33,772,916 km (0.116 R)
• M65: 34,376,843 km (0.093 R)
• M66: 34,923,324 km (0.114 R)
• M67: 35,717,988 km (0.113 R)
• M68: 35,963,627 km (0.077 R)
• M69: 36,580,270 km (0.057 R)
• M70: 39,842,999 km (0.099 R)
• M71: 40,481,034 km (0.047 R)
• M72: 41,186,687 km (0.073 R)
• M73: 41,444,445 km (0.034 R)
• M74: 41,573,398 km (0.043 R)
• M75: 43,066,833 km (0.058 R)
• M76: 43,590,426 km (0.119 R)
• M77: 43,787,297 km (0.051 R)

Planet 8 - Gas Giant

Semi-Major Axis: 9.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 188.3

Radius: 12.8

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 7.68 AU - 10.84 AU

Year: 9858 Days

Day: 13.3 Hours

Environment

Temp: -157 °C

Axial Tilt: 28.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (75)

Outer Limit: 70,657,274 km

• M1: 181,163 km (0.057 R)
• M2: 326,871 km (0.109 R)
• M3: 482,154 km (0.072 R)
• M4: 610,509 km (0.05 R)
• M5: 691,741 km (0.031 R)
• M6: 1,030,131 km (0.1 R)
• M7: 1,130,362 km (0.117 R)
• M8: 1,264,401 km (0.082 R)
• M9: 1,565,542 km (0.109 R)
• M10: 2,524,165 km (0.103 R)
• M11: 3,009,760 km (0.113 R)
• M12: 3,135,871 km (0.087 R)
• M13: 3,591,097 km (0.115 R)
• M14: 3,998,153 km (0.092 R)
• M15: 4,207,291 km (0.113 R)
• M16: 4,325,024 km (0.074 R)
• M17: 4,660,871 km (0.067 R)
• M18: 4,758,259 km (0.057 R)
• M19: 4,930,596 km (0.097 R)
• M20: 5,230,839 km (0.108 R)
• M21: 5,460,023 km (0.109 R)
• M22: 5,718,528 km (0.061 R)
• M23: 5,901,935 km (0.095 R)
• M24: 6,034,180 km (0.058 R)
• M25: 6,545,655 km (0.037 R)
• M26: 6,931,617 km (0.103 R)
• M27: 7,211,814 km (0.057 R)
• M28: 7,783,428 km (0.058 R)
• M29: 8,016,202 km (0.106 R)
• M30: 8,488,782 km (0.074 R)
• M31: 8,970,487 km (0.052 R)
• M32: 9,306,783 km (0.096 R)
• M33: 9,399,234 km (0.103 R)
• M34: 9,740,766 km (0.098 R)
• M35: 9,991,941 km (0.082 R)
• M36: 10,532,438 km (0.049 R)
• M37: 10,628,929 km (0.112 R)
• M38: 10,757,882 km (0.107 R)
• M39: 11,050,047 km (0.063 R)
• M40: 11,246,170 km (0.094 R)
• M41: 11,377,666 km (0.114 R)
• M42: 11,476,700 km (0.112 R)
• M43: 11,575,883 km (0.086 R)
• M44: 11,875,229 km (0.075 R)
• M45: 12,515,807 km (0.053 R)
• M46: 13,063,933 km (0.079 R)
• M47: 14,042,004 km (0.093 R)
• M48: 14,361,396 km (0.065 R)
• M49: 14,826,944 km (0.032 R)
• M50: 15,079,765 km (0.112 R)
• M51: 15,736,350 km (0.067 R)
• M52: 16,290,759 km (0.104 R)
• M53: 16,626,307 km (0.102 R)
• M54: 16,851,452 km (0.081 R)
• M55: 17,609,016 km (0.094 R)
• M56: 17,761,755 km (0.117 R)
• M57: 17,991,837 km (0.1 R)
• M58: 18,107,326 km (0.056 R)
• M59: 18,377,650 km (0.115 R)
• M60: 20,708,384 km (0.118 R)
• M61: 20,789,018 km (0.099 R)
• M62: 20,869,801 km (0.061 R)
• M63: 21,153,289 km (0.051 R)
• M64: 21,764,845 km (0.062 R)
• M65: 22,838,808 km (0.102 R)
• M66: 24,057,133 km (0.108 R)
• M67: 24,524,626 km (0.048 R)
• M68: 24,652,682 km (0.097 R)
• M69: 24,952,326 km (0.117 R)
• M70: 25,382,570 km (0.109 R)
• M71: 26,119,489 km (0.067 R)
• M72: 29,999,759 km (0.077 R)
• M73: 30,457,229 km (0.12 R)
• M74: 30,548,932 km (0.035 R)
• M75: 30,686,862 km (0.071 R)

Planet 9 - Ice Giant

Semi-Major Axis: 15.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 497.6

Radius: 7.6

Gravity: 8.61 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 13.55 AU - 17.11 AU

Year: 20999 Days

Day: 19.5 Hours

Environment

Temp: -196 °C

Axial Tilt: 15.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (80)

Outer Limit: 70,657,274 km

• M1: 112,348 km (0.085 R)
• M2: 373,396 km (0.094 R)
• M3: 461,210 km (0.073 R)
• M4: 576,550 km (0.099 R)
• M5: 1,318,256 km (0.118 R)
• M6: 1,373,458 km (0.08 R)
• M7: 1,457,831 km (0.097 R)
• M8: 1,602,193 km (0.092 R)
• M9: 2,031,539 km (0.11 R)
• M10: 2,325,948 km (0.059 R)
• M11: 2,564,257 km (0.052 R)
• M12: 4,652,943 km (0.112 R)
• M13: 4,910,101 km (0.114 R)
• M14: 5,216,029 km (0.106 R)
• M15: 5,304,591 km (0.119 R)
• M16: 5,938,437 km (0.052 R)
• M17: 6,170,613 km (0.11 R)
• M18: 6,453,203 km (0.061 R)
• M19: 9,557,509 km (0.106 R)
• M20: 10,104,439 km (0.108 R)
• M21: 10,381,643 km (0.112 R)
• M22: 10,661,391 km (0.052 R)
• M23: 11,285,663 km (0.06 R)
• M24: 12,807,971 km (0.105 R)
• M25: 14,207,310 km (0.113 R)
• M26: 15,718,697 km (0.075 R)
• M27: 16,558,540 km (0.09 R)
• M28: 19,783,271 km (0.11 R)
• M29: 24,743,488 km (0.093 R)
• M30: 26,249,190 km (0.078 R)
• M31: 26,477,626 km (0.066 R)
• M32: 26,553,921 km (0.116 R)
• M33: 28,172,869 km (0.118 R)
• M34: 28,641,260 km (0.091 R)
• M35: 29,191,033 km (0.112 R)
• M36: 30,620,440 km (0.12 R)
• M37: 31,021,662 km (0.116 R)
• M38: 31,586,094 km (0.085 R)
• M39: 32,153,968 km (0.113 R)
• M40: 33,053,201 km (0.08 R)
• M41: 33,629,751 km (0.063 R)
• M42: 34,625,774 km (0.096 R)
• M43: 35,211,300 km (0.073 R)
• M44: 35,379,148 km (0.086 R)
• M45: 36,222,581 km (0.091 R)
• M46: 37,500,147 km (0.059 R)
• M47: 39,487,555 km (0.097 R)
• M48: 42,041,938 km (0.053 R)
• M49: 43,024,647 km (0.11 R)
• M50: 43,114,406 km (0.086 R)
• M51: 44,105,342 km (0.081 R)
• M52: 46,109,804 km (0.086 R)
• M53: 46,661,670 km (0.1 R)
• M54: 47,493,434 km (0.036 R)
• M55: 47,678,936 km (0.111 R)
• M56: 47,771,836 km (0.114 R)
• M57: 48,236,936 km (0.111 R)
• M58: 48,330,135 km (0.106 R)
• M59: 48,797,180 km (0.099 R)
• M60: 49,171,773 km (0.104 R)
• M61: 49,641,361 km (0.105 R)
• M62: 50,018,198 km (0.061 R)
• M63: 50,206,841 km (0.076 R)
• M64: 50,490,478 km (0.075 R)
• M65: 52,586,195 km (0.057 R)
• M66: 52,682,087 km (0.049 R)
• M67: 54,418,918 km (0.114 R)
• M68: 55,001,901 km (0.107 R)
• M69: 57,157,606 km (0.116 R)
• M70: 58,742,596 km (0.1 R)
• M71: 59,740,563 km (0.074 R)
• M72: 60,041,105 km (0.079 R)
• M73: 60,141,336 km (0.119 R)
• M74: 61,854,531 km (0.066 R)
• M75: 62,666,249 km (0.049 R)
• M76: 63,277,356 km (0.052 R)
• M77: 64,300,306 km (0.11 R)
• M78: 66,258,842 km (0.073 R)
• M79: 66,569,856 km (0.117 R)
• M80: 70,657,318 km (0.05 R)

Kuiper Belt

Range: 31.4 - 51.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 179 - 15,982 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit