🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 787.7

Radius: 10.7

Gravity: 6.88 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 0.68 AU - 0.76 AU

Year: 414 Days

Day: 14.9 Hours

Environment

Temp: -158 °C

Axial Tilt: 11.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 69,697,829 km

• M1: 133,142 km (0.075 R)
• M2: 520,750 km (0.075 R)
• M3: 964,607 km (0.094 R)
• M4: 1,589,477 km (0.09 R)
• M5: 2,228,859 km (0.104 R)
• M6: 2,643,694 km (0.067 R)
• M7: 3,065,410 km (0.043 R)
• M8: 3,434,917 km (0.075 R)
• M9: 4,045,426 km (0.101 R)
• M10: 5,017,213 km (0.095 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 165.6

Radius: 13.6

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 0.83 AU - 0.93 AU

Year: 560 Days

Day: 11.2 Hours

Environment

Temp: -159 °C

Axial Tilt: 46.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 69,697,829 km

• M1: 169,494 km (0.086 R)
• M2: 691,142 km (0.104 R)
• M3: 1,175,241 km (0.091 R)
• M4: 1,737,130 km (0.111 R)
• M5: 2,352,427 km (0.114 R)
• M6: 2,822,613 km (0.111 R)
• M7: 3,272,753 km (0.046 R)
• M8: 4,027,025 km (0.107 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 737.3

Radius: 8.2

Gravity: 10.97 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 0.88 AU - 1.08 AU

Year: 658 Days

Day: 10.2 Hours

Environment

Temp: -182 °C

Axial Tilt: 6.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 69,697,829 km

• M1: 102,026 km (0.099 R)
• M2: 535,710 km (0.108 R)
• M3: 1,072,318 km (0.061 R)
• M4: 1,490,144 km (0.068 R)
• M5: 1,792,332 km (0.086 R)
• M6: 2,282,714 km (0.048 R)
• M7: 2,919,103 km (0.086 R)
• M8: 3,517,345 km (0.118 R)
• M9: 3,925,598 km (0.078 R)
• M10: 4,380,974 km (0.108 R)
• M11: 4,871,056 km (0.081 R)
• M12: 5,361,139 km (0.114 R)
• M13: 6,730,408 km (0.102 R)
• M14: 6,986,669 km (0.088 R)
• M15: 7,249,363 km (0.091 R)
• M16: 7,794,947 km (0.115 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 451.8

Radius: 12.8

Gravity: 2.76 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 0.87 AU - 1.11 AU

Year: 668 Days

Day: 10.2 Hours

Environment

Temp: -172 °C

Axial Tilt: 24 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 69,697,829 km

• M1: 168,298 km (0.118 R)
• M2: 1,023,399 km (0.084 R)
• M3: 1,727,706 km (0.073 R)
• M4: 2,159,445 km (0.106 R)
• M5: 2,632,773 km (0.086 R)
• M6: 3,913,630 km (0.119 R)
• M7: 4,397,878 km (0.049 R)
• M8: 5,018,709 km (0.102 R)
• M9: 5,912,706 km (0.115 R)
• M10: 6,494,642 km (0.118 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 666.7

Radius: 9.5

Gravity: 7.39 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 0.91 AU - 1.49 AU

Year: 892 Days

Day: 9.9 Hours

Environment

Temp: -180 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 69,697,829 km

• M1: 118,332 km (0.038 R)
• M2: 419,173 km (0.113 R)
• M3: 965,654 km (0.11 R)
• M4: 1,567,935 km (0.107 R)
• M5: 1,897,948 km (0.093 R)
• M6: 2,737,043 km (0.117 R)
• M7: 3,180,301 km (0.042 R)
• M8: 3,775,102 km (0.026 R)
• M9: 4,260,398 km (0.077 R)
• M10: 4,646,959 km (0.097 R)
• M11: 6,347,138 km (0.081 R)
• M12: 7,243,230 km (0.051 R)
• M13: 7,943,946 km (0.062 R)
• M14: 9,147,311 km (0.113 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 563.9

Radius: 9.9

Gravity: 5.75 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 4.46 AU - 6.32 AU

Year: 8487 Days

Day: 6.9 Hours

Environment

Temp: -222 °C

Axial Tilt: 16 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 69,697,829 km

• M1: 123,568 km (0.058 R)
• M2: 544,835 km (0.105 R)
• M3: 1,207,105 km (0.119 R)
• M4: 1,579,006 km (0.072 R)
• M5: 2,308,744 km (0.086 R)
• M6: 2,692,612 km (0.091 R)
• M7: 3,315,089 km (0.038 R)
• M8: 5,866,480 km (0.057 R)
• M9: 6,839,166 km (0.117 R)
• M10: 7,402,701 km (0.116 R)
• M11: 8,838,392 km (0.116 R)
• M12: 13,600,690 km (0.069 R)
• M13: 15,170,570 km (0.04 R)
• M14: 19,028,999 km (0.064 R)
• M15: 22,259,116 km (0.048 R)
• M16: 23,918,605 km (0.053 R)
• M17: 25,392,743 km (0.047 R)
• M18: 27,482,475 km (0.091 R)
• M19: 28,425,839 km (0.058 R)
• M20: 28,905,450 km (0.073 R)
• M21: 31,794,933 km (0.084 R)
• M22: 32,104,451 km (0.108 R)
• M23: 37,105,508 km (0.053 R)
• M24: 38,842,489 km (0.086 R)
• M25: 39,196,288 km (0.089 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 914.6

Radius: 14.4

Gravity: 4.41 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 5.1 AU - 5.86 AU

Year: 8701 Days

Day: 14.9 Hours

Environment

Temp: -221 °C

Axial Tilt: 1.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 69,697,829 km

• M1: 185,501 km (0.065 R)
• M2: 983,157 km (0.039 R)
• M3: 2,113,070 km (0.087 R)
• M4: 3,066,008 km (0.041 R)
• M5: 3,910,339 km (0.057 R)
• M6: 4,753,323 km (0.12 R)
• M7: 5,446,260 km (0.065 R)
• M8: 7,233,655 km (0.097 R)
• M9: 7,725,683 km (0.101 R)
• M10: 10,072,125 km (0.098 R)
• M11: 10,687,122 km (0.109 R)
• M12: 11,272,648 km (0.077 R)
• M13: 12,979,560 km (0.111 R)
• M14: 13,646,767 km (0.113 R)
• M15: 16,688,091 km (0.097 R)
• M16: 25,554,607 km (0.113 R)
• M17: 30,556,263 km (0.099 R)
• M18: 34,537,810 km (0.042 R)
• M19: 35,350,426 km (0.049 R)
• M20: 38,728,495 km (0.027 R)
• M21: 45,010,708 km (0.034 R)
• M22: 45,563,173 km (0.1 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 228.4

Radius: 3.7

Gravity: 16.68 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 5.01 AU - 8.03 AU

Year: 11292 Days

Day: 16.5 Hours

Environment

Temp: -224 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 69,697,829 km

• M1: 46,076 km (0.071 R)
• M2: 226,042 km (0.098 R)
• M3: 513,121 km (0.071 R)
• M4: 1,149,809 km (0.102 R)
• M5: 1,460,823 km (0.055 R)
• M6: 1,602,642 km (0.098 R)
• M7: 1,782,010 km (0.046 R)
• M8: 1,929,065 km (0.117 R)
• M9: 2,455,051 km (0.064 R)
• M10: 2,731,956 km (0.107 R)
• M11: 2,907,883 km (0.112 R)
• M12: 4,229,281 km (0.119 R)
• M13: 5,714,040 km (0.091 R)
• M14: 5,969,703 km (0.066 R)
• M15: 6,747,462 km (0.104 R)
• M16: 7,215,554 km (0.073 R)
• M17: 8,056,743 km (0.12 R)
• M18: 8,419,069 km (0.116 R)
• M19: 9,615,553 km (0.049 R)
• M20: 11,116,468 km (0.082 R)
• M21: 13,369,861 km (0.087 R)
• M22: 13,593,809 km (0.108 R)
• M23: 14,164,525 km (0.076 R)
• M24: 14,751,098 km (0.11 R)
• M25: 15,476,199 km (0.048 R)
• M26: 17,193,882 km (0.078 R)
• M27: 17,726,151 km (0.114 R)
• M28: 18,200,975 km (0.102 R)
• M29: 19,748,265 km (0.115 R)
• M30: 21,610,460 km (0.075 R)
• M31: 26,287,188 km (0.084 R)
• M32: 27,171,611 km (0.115 R)
• M33: 27,350,829 km (0.061 R)
• M34: 29,469,285 km (0.115 R)

Asteroid Belt

Center: 8.04 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 9 - Ice Giant

Semi-Major Axis: 9.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 525.6

Radius: 5

Gravity: 21.02 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 9.55 AU - 9.55 AU

Year: 20017 Days

Day: 16.5 Hours

Environment

Temp: -240 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 69,697,829 km

• M1: 62,831 km (0.078 R)
• M2: 222,302 km (0.065 R)
• M3: 735,124 km (0.061 R)
• M4: 1,417,589 km (0.12 R)
• M5: 1,590,824 km (0.116 R)
• M6: 1,904,979 km (0.119 R)
• M7: 2,519,378 km (0.083 R)
• M8: 2,775,041 km (0.067 R)
• M9: 4,129,649 km (0.094 R)
• M10: 4,791,620 km (0.101 R)
• M11: 6,752,249 km (0.048 R)
• M12: 7,525,222 km (0.083 R)
• M13: 7,715,361 km (0.054 R)
• M14: 8,055,696 km (0.071 R)
• M15: 8,662,614 km (0.111 R)
• M16: 9,684,966 km (0.088 R)
• M17: 10,370,723 km (0.082 R)
• M18: 10,725,569 km (0.072 R)
• M19: 13,026,235 km (0.093 R)
• M20: 13,231,632 km (0.068 R)
• M21: 14,074,916 km (0.115 R)
• M22: 16,418,516 km (0.086 R)
• M23: 16,658,321 km (0.039 R)
• M24: 17,808,131 km (0.054 R)
• M25: 19,274,339 km (0.044 R)
• M26: 20,725,887 km (0.109 R)
• M27: 30,993,986 km (0.094 R)
• M28: 32,602,163 km (0.025 R)
• M29: 35,448,861 km (0.077 R)
• M30: 36,932,573 km (0.109 R)
• M31: 37,758,951 km (0.079 R)
• M32: 41,335,537 km (0.07 R)
• M33: 42,226,243 km (0.091 R)
• M34: 44,664,090 km (0.074 R)
• M35: 53,757,845 km (0.118 R)
• M36: 54,109,999 km (0.089 R)
• M37: 58,455,966 km (0.094 R)
• M38: 60,523,409 km (0.053 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 364 - 15,722 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit