🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 844.9

Radius: 10

Gravity: 8.45 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 0.43 AU - 0.63 AU

Year: 257 Days

Day: 5.7 Hours

Environment

Temp: -137 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 53,696,696 km

• M1: 124,316 km (0.066 R)
• M2: 440,267 km (0.109 R)
• M3: 765,492 km (0.104 R)
• M4: 1,122,882 km (0.082 R)
• M5: 1,452,147 km (0.097 R)
• M6: 1,853,966 km (0.107 R)
• M7: 2,199,388 km (0.106 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 532.9

Radius: 8.8

Gravity: 6.88 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 1 AU - 1.06 AU

Year: 697 Days

Day: 8.2 Hours

Environment

Temp: -180 °C

Axial Tilt: 29.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 53,696,696 km

• M1: 109,506 km (0.1 R)
• M2: 591,061 km (0.11 R)
• M3: 878,140 km (0.116 R)
• M4: 1,267,992 km (0.041 R)
• M5: 1,787,695 km (0.062 R)
• M6: 2,484,671 km (0.097 R)
• M7: 3,654,975 km (0.117 R)
• M8: 4,180,961 km (0.098 R)
• M9: 4,691,988 km (0.104 R)
• M10: 5,209,297 km (0.091 R)
• M11: 5,562,946 km (0.102 R)
• M12: 6,084,893 km (0.102 R)
• M13: 6,457,542 km (0.111 R)
• M14: 6,803,711 km (0.109 R)
• M15: 7,162,148 km (0.1 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 316.4

Radius: 13.1

Gravity: 1.84 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 1.04 AU - 1.6 AU

Year: 1011 Days

Day: 14.6 Hours

Environment

Temp: -192 °C

Axial Tilt: 42 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 53,696,696 km

• M1: 163,062 km (0.045 R)
• M2: 605,572 km (0.049 R)
• M3: 1,067,530 km (0.118 R)
• M4: 1,882,091 km (0.082 R)
• M5: 2,959,495 km (0.048 R)
• M6: 3,788,416 km (0.091 R)
• M7: 4,273,562 km (0.079 R)
• M8: 4,734,025 km (0.089 R)
• M9: 5,850,174 km (0.112 R)
• M10: 6,749,706 km (0.071 R)
• M11: 7,399,260 km (0.047 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 499.5

Radius: 8.7

Gravity: 6.6 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 4.05 AU - 4.47 AU

Year: 5863 Days

Day: 10.2 Hours

Environment

Temp: -217 °C

Axial Tilt: 0 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 53,696,696 km

• M1: 108,309 km (0.058 R)
• M2: 433,235 km (0.097 R)
• M3: 741,407 km (0.056 R)
• M4: 1,076,656 km (0.117 R)
• M5: 1,489,995 km (0.113 R)
• M6: 2,214,348 km (0.077 R)
• M7: 2,762,025 km (0.116 R)
• M8: 4,850,262 km (0.101 R)
• M9: 5,173,543 km (0.058 R)
• M10: 6,843,504 km (0.11 R)
• M11: 9,830,226 km (0.11 R)
• M12: 10,660,643 km (0.098 R)
• M13: 14,235,135 km (0.086 R)
• M14: 16,053,497 km (0.108 R)
• M15: 16,350,898 km (0.054 R)
• M16: 17,577,899 km (0.056 R)
• M17: 18,733,543 km (0.114 R)
• M18: 19,397,159 km (0.051 R)
• M19: 22,578,507 km (0.096 R)
• M20: 25,121,522 km (0.088 R)
• M21: 25,603,526 km (0.092 R)
• M22: 27,508,655 km (0.041 R)
• M23: 28,539,384 km (0.115 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 30.7

Radius: 11.7

Gravity: 0.22 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 4.36 AU - 6.48 AU

Year: 8415 Days

Day: 12.9 Hours

Environment

Temp: -230 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 53,696,696 km

• M1: 157,975 km (0.118 R)
• M2: 642,672 km (0.105 R)
• M3: 1,348,774 km (0.109 R)
• M4: 1,924,577 km (0.086 R)
• M5: 3,032,648 km (0.09 R)
• M6: 3,457,356 km (0.067 R)
• M7: 5,479,471 km (0.111 R)
• M8: 5,944,421 km (0.115 R)
• M9: 8,251,819 km (0.119 R)
• M10: 10,076,763 km (0.108 R)
• M11: 10,598,710 km (0.082 R)
• M12: 14,684,677 km (0.066 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 182

Radius: 5

Gravity: 7.28 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 7.31 AU - 8.39 AU

Year: 14667 Days

Day: 17.7 Hours

Environment

Temp: -224 °C

Axial Tilt: 45.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 53,696,696 km

• M1: 71,657 km (0.08 R)
• M2: 253,868 km (0.067 R)
• M3: 429,944 km (0.106 R)
• M4: 888,163 km (0.101 R)
• M5: 1,400,535 km (0.087 R)
• M6: 1,582,297 km (0.117 R)
• M7: 1,854,116 km (0.063 R)
• M8: 2,073,875 km (0.106 R)
• M9: 2,241,574 km (0.049 R)
• M10: 3,422,350 km (0.096 R)
• M11: 5,392,854 km (0.083 R)
• M12: 7,534,198 km (0.091 R)
• M13: 8,555,502 km (0.091 R)
• M14: 9,573,665 km (0.1 R)
• M15: 10,620,701 km (0.094 R)
• M16: 10,868,884 km (0.106 R)
• M17: 12,114,735 km (0.1 R)
• M18: 12,550,364 km (0.073 R)
• M19: 15,639,859 km (0.047 R)
• M20: 19,421,693 km (0.115 R)
• M21: 19,718,346 km (0.1 R)
• M22: 21,013,115 km (0.11 R)
• M23: 21,325,924 km (0.093 R)
• M24: 22,363,535 km (0.086 R)
• M25: 24,712,222 km (0.07 R)
• M26: 24,886,055 km (0.026 R)
• M27: 25,060,635 km (0.085 R)
• M28: 28,631,088 km (0.048 R)
• M29: 29,305,924 km (0.083 R)
• M30: 30,988,900 km (0.097 R)
• M31: 32,008,409 km (0.112 R)
• M32: 36,422,594 km (0.118 R)
• M33: 38,598,943 km (0.076 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 276.3

Radius: 7.9

Gravity: 4.43 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 8.56 AU - 9.88 AU

Year: 18669 Days

Day: 21.4 Hours

Environment

Temp: -230 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 53,696,696 km

• M1: 102,475 km (0.081 R)
• M2: 361,578 km (0.051 R)
• M3: 708,795 km (0.105 R)
• M4: 1,040,304 km (0.118 R)
• M5: 1,559,857 km (0.119 R)
• M6: 3,376,424 km (0.053 R)
• M7: 4,069,212 km (0.109 R)
• M8: 4,540,595 km (0.104 R)
• M9: 7,042,170 km (0.052 R)
• M10: 8,444,650 km (0.091 R)
• M11: 9,162,421 km (0.051 R)
• M12: 10,883,843 km (0.071 R)
• M13: 11,560,175 km (0.059 R)
• M14: 16,802,982 km (0.1 R)
• M15: 22,982,571 km (0.076 R)
• M16: 23,533,989 km (0.071 R)
• M17: 26,025,841 km (0.062 R)
• M18: 33,834,401 km (0.099 R)
• M19: 35,514,834 km (0.117 R)
• M20: 39,826,394 km (0.092 R)
• M21: 48,413,461 km (0.109 R)
• M22: 48,714,153 km (0.054 R)
• M23: 51,320,746 km (0.118 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 408 - 12,516 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit