🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 387.4

Radius: 12.6

Gravity: 2.44 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 0.63 AU - 0.63 AU

Year: 339 Days

Day: 9 Hours

Environment

Temp: -151 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 60,926,567 km

• M1: 169,794 km (0.05 R)
• M2: 283,039 km (0.106 R)
• M3: 391,198 km (0.116 R)
• M4: 479,910 km (0.116 R)
• M5: 566,228 km (0.101 R)
• M6: 647,310 km (0.116 R)
• M7: 742,454 km (0.088 R)
• M8: 826,528 km (0.098 R)
• M9: 987,795 km (0.105 R)
• M10: 1,081,892 km (0.112 R)
• M11: 1,436,289 km (0.098 R)
• M12: 1,527,544 km (0.077 R)
• M13: 1,681,330 km (0.083 R)
• M14: 1,813,575 km (0.053 R)
• M15: 1,908,420 km (0.081 R)
• M16: 1,995,636 km (0.099 R)
• M17: 2,103,047 km (0.091 R)
• M18: 2,183,830 km (0.106 R)
• M19: 2,294,682 km (0.112 R)
• M20: 2,422,438 km (0.09 R)
• M21: 2,522,519 km (0.112 R)
• M22: 2,752,601 km (0.082 R)
• M23: 2,841,312 km (0.077 R)
• M24: 3,070,197 km (0.061 R)
• M25: 3,156,964 km (0.084 R)
• M26: 3,277,689 km (0.112 R)
• M27: 3,366,401 km (0.044 R)
• M28: 3,478,450 km (0.075 R)
• M29: 3,569,106 km (0.086 R)
• M30: 3,874,884 km (0.11 R)
• M31: 3,957,163 km (0.097 R)
• M32: 4,129,350 km (0.109 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 519

Radius: 13

Gravity: 3.07 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 1.33 AU - 1.49 AU

Year: 1136 Days

Day: 9.2 Hours

Environment

Temp: -189 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (51)

Outer Limit: 60,926,567 km

• M1: 163,361 km (0.104 R)
• M2: 261,198 km (0.108 R)
• M3: 348,413 km (0.073 R)
• M4: 447,746 km (0.053 R)
• M5: 607,367 km (0.1 R)
• M6: 899,981 km (0.096 R)
• M7: 983,756 km (0.086 R)
• M8: 1,118,394 km (0.057 R)
• M9: 1,202,318 km (0.114 R)
• M10: 1,340,098 km (0.099 R)
• M11: 1,468,004 km (0.097 R)
• M12: 1,624,034 km (0.096 R)
• M13: 1,860,549 km (0.113 R)
• M14: 1,978,731 km (0.079 R)
• M15: 2,249,952 km (0.082 R)
• M16: 2,358,261 km (0.098 R)
• M17: 2,552,289 km (0.082 R)
• M18: 2,887,239 km (0.099 R)
• M19: 2,995,548 km (0.049 R)
• M20: 3,206,182 km (0.066 R)
• M21: 3,287,712 km (0.09 R)
• M22: 3,505,228 km (0.07 R)
• M23: 3,589,302 km (0.097 R)
• M24: 3,684,745 km (0.038 R)
• M25: 3,900,016 km (0.07 R)
• M26: 4,053,205 km (0.075 R)
• M27: 4,141,617 km (0.083 R)
• M28: 4,264,287 km (0.101 R)
• M29: 4,433,482 km (0.099 R)
• M30: 4,524,737 km (0.072 R)
• M31: 4,628,109 km (0.102 R)
• M32: 4,732,379 km (0.11 R)
• M33: 4,813,910 km (0.11 R)
• M34: 4,907,708 km (0.052 R)
• M35: 5,097,248 km (0.091 R)
• M36: 5,631,013 km (0.045 R)
• M37: 5,767,297 km (0.11 R)
• M38: 5,917,194 km (0.064 R)
• M39: 6,361,949 km (0.047 R)
• M40: 6,542,812 km (0.103 R)
• M41: 6,699,292 km (0.092 R)
• M42: 7,216,601 km (0.111 R)
• M43: 7,995,707 km (0.079 R)
• M44: 8,079,332 km (0.098 R)
• M45: 8,247,331 km (0.118 R)
• M46: 8,374,190 km (0.091 R)
• M47: 8,558,494 km (0.096 R)
• M48: 9,105,125 km (0.071 R)
• M49: 9,737,176 km (0.105 R)
• M50: 9,826,635 km (0.065 R)
• M51: 9,916,244 km (0.075 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 176.1

Radius: 13.1

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 1.32 AU - 1.74 AU

Year: 1284 Days

Day: 12.2 Hours

Environment

Temp: -201 °C

Axial Tilt: 0.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 60,926,567 km

• M1: 170,542 km (0.084 R)
• M2: 263,591 km (0.099 R)
• M3: 354,397 km (0.085 R)
• M4: 490,382 km (0.088 R)
• M5: 586,424 km (0.087 R)
• M6: 742,753 km (0.116 R)
• M7: 831,914 km (0.049 R)
• M8: 925,113 km (0.106 R)
• M9: 1,016,817 km (0.108 R)
• M10: 1,192,744 km (0.1 R)
• M11: 1,305,989 km (0.109 R)
• M12: 1,404,275 km (0.042 R)
• M13: 1,486,105 km (0.071 R)
• M14: 1,589,178 km (0.097 R)
• M15: 1,674,748 km (0.083 R)
• M16: 1,830,330 km (0.081 R)
• M17: 2,083,749 km (0.106 R)
• M18: 2,266,557 km (0.104 R)
• M19: 2,401,644 km (0.082 R)
• M20: 2,695,754 km (0.071 R)
• M21: 2,903,844 km (0.109 R)
• M22: 3,117,320 km (0.119 R)
• M23: 3,268,265 km (0.1 R)
• M24: 3,378,818 km (0.047 R)
• M25: 3,482,040 km (0.098 R)
• M26: 3,691,627 km (0.119 R)
• M27: 3,789,164 km (0.088 R)
• M28: 3,914,378 km (0.091 R)
• M29: 4,542,988 km (0.09 R)
• M30: 4,811,217 km (0.109 R)
• M31: 5,213,187 km (0.046 R)
• M32: 5,393,302 km (0.047 R)
• M33: 5,484,108 km (0.071 R)
• M34: 5,893,707 km (0.039 R)
• M35: 6,154,905 km (0.119 R)
• M36: 6,345,343 km (0.054 R)
• M37: 6,580,810 km (0.113 R)
• M38: 6,830,040 km (0.095 R)
• M39: 7,060,421 km (0.112 R)
• M40: 7,226,475 km (0.073 R)
• M41: 7,483,783 km (0.026 R)
• M42: 7,619,169 km (0.104 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 484.6

Radius: 14.6

Gravity: 2.27 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 1.42 AU - 1.84 AU

Year: 1411 Days

Day: 7.5 Hours

Environment

Temp: -201 °C

Axial Tilt: 8.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (51)

Outer Limit: 60,926,567 km

• M1: 186,848 km (0.102 R)
• M2: 286,779 km (0.079 R)
• M3: 489,335 km (0.114 R)
• M4: 603,029 km (0.097 R)
• M5: 823,835 km (0.075 R)
• M6: 1,333,665 km (0.095 R)
• M7: 1,546,692 km (0.116 R)
• M8: 1,640,490 km (0.083 R)
• M9: 1,870,123 km (0.071 R)
• M10: 2,063,553 km (0.101 R)
• M11: 2,283,462 km (0.089 R)
• M12: 2,531,346 km (0.094 R)
• M13: 3,129,887 km (0.08 R)
• M14: 3,283,673 km (0.091 R)
• M15: 3,395,124 km (0.102 R)
• M16: 3,621,914 km (0.046 R)
• M17: 3,737,254 km (0.091 R)
• M18: 3,853,791 km (0.038 R)
• M19: 3,947,888 km (0.094 R)
• M20: 4,078,636 km (0.109 R)
• M21: 4,332,354 km (0.09 R)
• M22: 4,467,441 km (0.106 R)
• M23: 4,616,291 km (0.109 R)
• M24: 4,716,522 km (0.119 R)
• M25: 4,868,364 km (0.108 R)
• M26: 4,970,389 km (0.086 R)
• M27: 5,451,795 km (0.09 R)
• M28: 5,611,267 km (0.055 R)
• M29: 5,839,852 km (0.09 R)
• M30: 6,264,560 km (0.089 R)
• M31: 6,799,074 km (0.091 R)
• M32: 7,014,195 km (0.089 R)
• M33: 7,348,397 km (0.102 R)
• M34: 7,510,112 km (0.037 R)
• M35: 7,777,294 km (0.117 R)
• M36: 7,897,122 km (0.082 R)
• M37: 8,229,678 km (0.116 R)
• M38: 8,520,646 km (0.108 R)
• M39: 8,675,181 km (0.12 R)
• M40: 9,018,358 km (0.036 R)
• M41: 9,175,885 km (0.111 R)
• M42: 9,445,759 km (0.097 R)
• M43: 9,589,822 km (0.073 R)
• M44: 9,686,163 km (0.066 R)
• M45: 9,847,429 km (0.114 R)
• M46: 10,140,192 km (0.12 R)
• M47: 10,402,886 km (0.107 R)
• M48: 10,617,858 km (0.065 R)
• M49: 10,801,116 km (0.089 R)
• M50: 10,901,346 km (0.107 R)
• M51: 11,458,898 km (0.065 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 73.8

Radius: 10.8

Gravity: 0.63 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 2.26 AU - 3.44 AU

Year: 3263 Days

Day: 8.8 Hours

Environment

Temp: -213 °C

Axial Tilt: 10.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (62)

Outer Limit: 60,926,567 km

• M1: 184,305 km (0.067 R)
• M2: 303,085 km (0.081 R)
• M3: 427,401 km (0.062 R)
• M4: 669,750 km (0.097 R)
• M5: 779,555 km (0.119 R)
• M6: 942,915 km (0.091 R)
• M7: 1,039,556 km (0.102 R)
• M8: 1,213,538 km (0.102 R)
• M9: 1,289,085 km (0.059 R)
• M10: 1,632,262 km (0.093 R)
• M11: 1,716,187 km (0.099 R)
• M12: 1,810,284 km (0.072 R)
• M13: 1,950,457 km (0.054 R)
• M14: 2,066,994 km (0.105 R)
• M15: 2,149,123 km (0.098 R)
• M16: 2,288,399 km (0.112 R)
• M17: 2,527,456 km (0.108 R)
• M18: 2,957,700 km (0.093 R)
• M19: 3,040,427 km (0.118 R)
• M20: 3,144,846 km (0.069 R)
• M21: 3,292,948 km (0.063 R)
• M22: 3,552,501 km (0.12 R)
• M23: 3,629,544 km (0.09 R)
• M24: 3,729,325 km (0.084 R)
• M25: 3,818,785 km (0.119 R)
• M26: 3,931,731 km (0.107 R)
• M27: 4,068,763 km (0.094 R)
• M28: 4,265,484 km (0.084 R)
• M29: 4,477,315 km (0.111 R)
• M30: 4,548,673 km (0.064 R)
• M31: 4,825,878 km (0.092 R)
• M32: 4,935,982 km (0.116 R)
• M33: 5,009,733 km (0.111 R)
• M34: 5,108,767 km (0.083 R)
• M35: 5,422,324 km (0.057 R)
• M36: 5,549,483 km (0.083 R)
• M37: 5,819,956 km (0.099 R)
• M38: 6,055,273 km (0.105 R)
• M39: 6,160,740 km (0.092 R)
• M40: 6,589,188 km (0.114 R)
• M41: 6,752,399 km (0.105 R)
• M42: 6,820,765 km (0.104 R)
• M43: 7,068,948 km (0.097 R)
• M44: 7,291,999 km (0.105 R)
• M45: 7,645,349 km (0.115 R)
• M46: 7,831,149 km (0.077 R)
• M47: 8,047,617 km (0.069 R)
• M48: 8,163,855 km (0.117 R)
• M49: 8,236,709 km (0.112 R)
• M50: 8,339,184 km (0.078 R)
• M51: 8,604,720 km (0.106 R)
• M52: 8,723,501 km (0.117 R)
• M53: 8,977,967 km (0.089 R)
• M54: 9,113,801 km (0.059 R)
• M55: 9,280,603 km (0.094 R)
• M56: 9,387,266 km (0.11 R)
• M57: 9,771,583 km (0.109 R)
• M58: 9,911,158 km (0.094 R)
• M59: 10,255,233 km (0.073 R)
• M60: 10,349,779 km (0.101 R)
• M61: 10,460,482 km (0.106 R)
• M62: 10,635,212 km (0.099 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 150.7

Radius: 7.3

Gravity: 2.83 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 6.67 AU - 8.37 AU

Year: 13987 Days

Day: 15.7 Hours

Environment

Temp: -237 °C

Axial Tilt: 45 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (88)

Outer Limit: 60,926,567 km

• M1: 259,852 km (0.091 R)
• M2: 412,741 km (0.072 R)
• M3: 494,421 km (0.081 R)
• M4: 582,085 km (0.084 R)
• M5: 634,594 km (0.104 R)
• M6: 730,935 km (0.112 R)
• M7: 1,033,123 km (0.109 R)
• M8: 1,164,470 km (0.04 R)
• M9: 1,407,716 km (0.111 R)
• M10: 1,647,970 km (0.08 R)
• M11: 1,861,446 km (0.051 R)
• M12: 2,083,898 km (0.119 R)
• M13: 2,167,075 km (0.079 R)
• M14: 2,379,504 km (0.088 R)
• M15: 2,444,579 km (0.091 R)
• M16: 3,151,578 km (0.11 R)
• M17: 3,917,819 km (0.078 R)
• M18: 4,657,431 km (0.089 R)
• M19: 4,766,637 km (0.071 R)
• M20: 4,821,539 km (0.09 R)
• M21: 5,155,292 km (0.084 R)
• M22: 5,467,952 km (0.101 R)
• M23: 5,641,037 km (0.05 R)
• M24: 5,757,573 km (0.105 R)
• M25: 6,442,432 km (0.089 R)
• M26: 7,469,721 km (0.056 R)
• M27: 8,116,732 km (0.067 R)
• M28: 8,647,206 km (0.08 R)
• M29: 9,052,466 km (0.066 R)
• M30: 9,326,081 km (0.113 R)
• M31: 9,567,831 km (0.1 R)
• M32: 9,637,244 km (0.106 R)
• M33: 10,234,140 km (0.086 R)
• M34: 10,412,012 km (0.112 R)
• M35: 10,626,685 km (0.105 R)
• M36: 10,987,964 km (0.086 R)
• M37: 11,463,535 km (0.112 R)
• M38: 11,537,287 km (0.093 R)
• M39: 11,796,839 km (0.104 R)
• M40: 11,908,589 km (0.096 R)
• M41: 13,744,454 km (0.115 R)
• M42: 13,980,071 km (0.119 R)
• M43: 14,694,999 km (0.054 R)
• M44: 14,775,183 km (0.103 R)
• M45: 15,097,268 km (0.116 R)
• M46: 15,340,364 km (0.091 R)
• M47: 15,666,487 km (0.117 R)
• M48: 15,912,726 km (0.057 R)
• M49: 16,036,293 km (0.07 R)
• M50: 17,289,325 km (0.095 R)
• M51: 18,400,538 km (0.069 R)
• M52: 20,021,281 km (0.047 R)
• M53: 20,333,043 km (0.105 R)
• M54: 20,556,692 km (0.105 R)
• M55: 20,691,330 km (0.104 R)
• M56: 21,824,235 km (0.07 R)
• M57: 22,191,049 km (0.061 R)
• M58: 22,652,409 km (0.097 R)
• M59: 22,791,535 km (0.1 R)
• M60: 22,930,810 km (0.03 R)
• M61: 23,023,860 km (0.094 R)
• M62: 23,490,905 km (0.063 R)
• M63: 24,008,364 km (0.099 R)
• M64: 24,434,419 km (0.069 R)
• M65: 25,150,095 km (0.091 R)
• M66: 25,294,158 km (0.049 R)
• M67: 25,390,199 km (0.114 R)
• M68: 26,797,766 km (0.101 R)
• M69: 27,043,106 km (0.11 R)
• M70: 27,289,045 km (0.039 R)
• M71: 27,436,997 km (0.066 R)
• M72: 27,783,317 km (0.112 R)
• M73: 28,380,212 km (0.11 R)
• M74: 30,553,720 km (0.113 R)
• M75: 30,758,669 km (0.087 R)
• M76: 30,809,981 km (0.096 R)
• M77: 31,015,528 km (0.108 R)
• M78: 31,169,913 km (0.095 R)
• M79: 31,738,235 km (0.083 R)
• M80: 32,153,669 km (0.082 R)
• M81: 33,463,697 km (0.04 R)
• M82: 33,622,121 km (0.087 R)
• M83: 33,780,695 km (0.091 R)
• M84: 35,058,710 km (0.069 R)
• M85: 35,434,350 km (0.065 R)
• M86: 35,595,766 km (0.096 R)
• M87: 35,811,486 km (0.087 R)
• M88: 36,189,819 km (0.081 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 381.4

Radius: 6.7

Gravity: 8.5 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 7 AU - 11.58 AU

Year: 19205 Days

Day: 16.9 Hours

Environment

Temp: -239 °C

Axial Tilt: 7.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (96)

Outer Limit: 60,926,567 km

• M1: 144,212 km (0.109 R)
• M2: 255,364 km (0.1 R)
• M3: 804,837 km (0.086 R)
• M4: 999,912 km (0.093 R)
• M5: 1,308,084 km (0.037 R)
• M6: 2,183,082 km (0.095 R)
• M7: 2,333,428 km (0.118 R)
• M8: 2,772,198 km (0.07 R)
• M9: 3,034,443 km (0.099 R)
• M10: 3,101,313 km (0.102 R)
• M11: 3,688,934 km (0.109 R)
• M12: 3,832,249 km (0.08 R)
• M13: 3,940,857 km (0.109 R)
• M14: 4,013,860 km (0.104 R)
• M15: 4,385,611 km (0.081 R)
• M16: 4,885,567 km (0.08 R)
• M17: 4,963,957 km (0.068 R)
• M18: 5,607,078 km (0.071 R)
• M19: 5,896,699 km (0.103 R)
• M20: 6,064,398 km (0.061 R)
• M21: 6,404,584 km (0.093 R)
• M22: 6,707,221 km (0.093 R)
• M23: 6,970,363 km (0.117 R)
• M24: 7,236,947 km (0.072 R)
• M25: 7,281,826 km (0.096 R)
• M26: 7,326,556 km (0.119 R)
• M27: 7,826,063 km (0.096 R)
• M28: 8,666,803 km (0.074 R)
• M29: 8,762,097 km (0.045 R)
• M30: 9,146,264 km (0.11 R)
• M31: 9,931,354 km (0.026 R)
• M32: 10,331,827 km (0.116 R)
• M33: 10,840,011 km (0.056 R)
• M34: 12,359,178 km (0.036 R)
• M35: 13,832,418 km (0.094 R)
• M36: 13,943,718 km (0.035 R)
• M37: 14,335,665 km (0.113 R)
• M38: 15,360,261 km (0.115 R)
• M39: 16,114,832 km (0.093 R)
• M40: 16,231,967 km (0.119 R)
• M41: 16,881,521 km (0.12 R)
• M42: 17,179,520 km (0.103 R)
• M43: 17,299,199 km (0.105 R)
• M44: 17,539,453 km (0.095 R)
• M45: 18,757,030 km (0.058 R)
• M46: 19,625,445 km (0.118 R)
• M47: 20,761,192 km (0.106 R)
• M48: 21,272,817 km (0.034 R)
• M49: 23,161,939 km (0.076 R)
• M50: 23,692,413 km (0.065 R)
• M51: 24,361,265 km (0.118 R)
• M52: 24,495,754 km (0.084 R)
• M53: 24,900,715 km (0.052 R)
• M54: 25,036,251 km (0.095 R)
• M55: 25,444,204 km (0.034 R)
• M56: 26,681,079 km (0.105 R)
• M57: 27,028,296 km (0.083 R)
• M58: 30,725,308 km (0.054 R)
• M59: 30,943,422 km (0.078 R)
• M60: 31,527,602 km (0.108 R)
• M61: 32,558,481 km (0.084 R)
• M62: 32,780,783 km (0.027 R)
• M63: 33,152,534 km (0.116 R)
• M64: 34,200,766 km (0.09 R)
• M65: 35,259,769 km (0.078 R)
• M66: 35,564,351 km (0.06 R)
• M67: 36,176,056 km (0.103 R)
• M68: 37,022,780 km (0.041 R)
• M69: 37,100,122 km (0.099 R)
• M70: 37,642,714 km (0.091 R)
• M71: 38,735,975 km (0.039 R)
• M72: 38,814,364 km (0.119 R)
• M73: 39,997,983 km (0.063 R)
• M74: 40,156,706 km (0.061 R)
• M75: 41,514,157 km (0.092 R)
• M76: 42,643,322 km (0.092 R)
• M77: 42,967,800 km (0.109 R)
• M78: 44,438,047 km (0.117 R)
• M79: 49,116,422 km (0.112 R)
• M80: 49,626,850 km (0.069 R)
• M81: 49,882,812 km (0.104 R)
• M82: 50,224,643 km (0.056 R)
• M83: 51,341,092 km (0.085 R)
• M84: 51,599,896 km (0.076 R)
• M85: 52,205,468 km (0.118 R)
• M86: 53,511,009 km (0.115 R)
• M87: 54,299,539 km (0.113 R)
• M88: 54,387,353 km (0.1 R)
• M89: 54,915,434 km (0.1 R)
• M90: 56,866,190 km (0.066 R)
• M91: 57,581,268 km (0.043 R)
• M92: 58,029,612 km (0.091 R)
• M93: 58,479,154 km (0.1 R)
• M94: 58,749,477 km (0.118 R)
• M95: 59,110,457 km (0.082 R)
• M96: 59,291,171 km (0.068 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 451 - 15,734 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit