🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.52 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 485.2

Radius: 12.7

Gravity: 3.01 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 0.93 AU - 1.13 AU

Year: 735 Days

Day: 14.4 Hours

Environment

Temp: -170 °C

Axial Tilt: 44.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 45,727,087 km

• M1: 157,975 km (0.118 R)
• M2: 617,091 km (0.11 R)
• M3: 1,119,890 km (0.112 R)
• M4: 1,766,751 km (0.096 R)
• M5: 2,258,030 km (0.103 R)
• M6: 3,083,511 km (0.111 R)
• M7: 3,560,429 km (0.065 R)
• M8: 3,971,524 km (0.097 R)
• M9: 4,476,118 km (0.112 R)
• M10: 5,669,311 km (0.105 R)
• M11: 7,342,862 km (0.116 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 803.3

Radius: 12.5

Gravity: 5.14 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 0.91 AU - 1.27 AU

Year: 800 Days

Day: 8.9 Hours

Environment

Temp: -174 °C

Axial Tilt: 21.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 45,727,087 km

• M1: 156,330 km (0.069 R)
• M2: 626,665 km (0.079 R)
• M3: 1,113,607 km (0.119 R)
• M4: 1,937,592 km (0.1 R)
• M5: 3,361,763 km (0.098 R)
• M6: 4,111,398 km (0.037 R)
• M7: 5,984,513 km (0.102 R)
• M8: 6,727,416 km (0.103 R)
• M9: 8,526,181 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 158.9

Radius: 11.8

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 1.61 AU - 2.01 AU

Year: 1712 Days

Day: 11.2 Hours

Environment

Temp: -198 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 45,727,087 km

• M1: 146,756 km (0.119 R)
• M2: 536,308 km (0.093 R)
• M3: 960,718 km (0.113 R)
• M4: 1,454,241 km (0.091 R)
• M5: 1,935,048 km (0.102 R)
• M6: 2,691,565 km (0.117 R)
• M7: 3,411,879 km (0.09 R)
• M8: 3,781,236 km (0.096 R)
• M9: 4,304,828 km (0.102 R)
• M10: 6,110,475 km (0.072 R)
• M11: 6,529,349 km (0.11 R)
• M12: 7,308,754 km (0.105 R)
• M13: 7,951,426 km (0.056 R)
• M14: 8,709,588 km (0.086 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 660.8

Radius: 9.3

Gravity: 7.64 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 1.84 AU - 2.52 AU

Year: 2263 Days

Day: 9.7 Hours

Environment

Temp: -195 °C

Axial Tilt: 15.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 45,727,087 km

• M1: 115,789 km (0.082 R)
• M2: 422,764 km (0.12 R)
• M3: 749,186 km (0.083 R)
• M4: 1,151,904 km (0.057 R)
• M5: 1,553,723 km (0.064 R)
• M6: 4,042,134 km (0.038 R)
• M7: 5,706,261 km (0.081 R)
• M8: 6,107,782 km (0.081 R)
• M9: 8,469,932 km (0.057 R)
• M10: 9,503,354 km (0.076 R)
• M11: 10,104,738 km (0.083 R)
• M12: 10,581,506 km (0.104 R)
• M13: 14,441,430 km (0.082 R)
• M14: 14,858,659 km (0.079 R)
• M15: 15,523,621 km (0.116 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 345.6

Radius: 13.3

Gravity: 1.95 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 2.84 AU - 4.16 AU

Year: 4603 Days

Day: 14.2 Hours

Environment

Temp: -222 °C

Axial Tilt: 167.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 45,727,087 km

• M1: 165,455 km (0.037 R)
• M2: 604,974 km (0.053 R)
• M3: 1,167,163 km (0.088 R)
• M4: 1,791,135 km (0.066 R)
• M5: 2,209,561 km (0.1 R)
• M6: 3,470,671 km (0.057 R)
• M7: 4,458,465 km (0.095 R)
• M8: 5,166,063 km (0.082 R)
• M9: 5,865,882 km (0.117 R)
• M10: 6,716,944 km (0.099 R)
• M11: 9,845,485 km (0.04 R)
• M12: 13,549,977 km (0.114 R)
• M13: 16,300,782 km (0.087 R)
• M14: 16,737,758 km (0.093 R)
• M15: 18,329,479 km (0.097 R)
• M16: 19,465,675 km (0.04 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 859.6

Radius: 12.1

Gravity: 5.87 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 4.02 AU - 5.72 AU

Year: 7554 Days

Day: 8.8 Hours

Environment

Temp: -227 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 45,727,087 km

• M1: 150,495 km (0.117 R)
• M2: 657,034 km (0.113 R)
• M3: 1,998,478 km (0.037 R)
• M4: 2,458,491 km (0.052 R)
• M5: 4,229,281 km (0.065 R)
• M6: 5,460,322 km (0.094 R)
• M7: 8,927,253 km (0.11 R)
• M8: 10,139,444 km (0.111 R)
• M9: 10,785,258 km (0.058 R)
• M10: 11,778,439 km (0.106 R)
• M11: 13,410,402 km (0.03 R)
• M12: 14,871,225 km (0.111 R)
• M13: 16,503,039 km (0.117 R)
• M14: 17,049,669 km (0.098 R)
• M15: 18,323,645 km (0.091 R)
• M16: 20,822,677 km (0.097 R)
• M17: 22,360,244 km (0.111 R)
• M18: 24,321,472 km (0.105 R)
• M19: 27,331,830 km (0.118 R)
• M20: 30,787,391 km (0.087 R)
• M21: 31,511,894 km (0.088 R)
• M22: 32,142,000 km (0.083 R)
• M23: 35,081,449 km (0.1 R)
• M24: 35,644,984 km (0.113 R)
• M25: 37,488,478 km (0.091 R)
• M26: 41,615,584 km (0.065 R)
• M27: 42,374,046 km (0.084 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 932.5

Radius: 7.8

Gravity: 15.33 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 6.84 AU - 7 AU

Year: 12796 Days

Day: 23.9 Hours

Environment

Temp: -222 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 45,727,087 km

• M1: 100,231 km (0.085 R)
• M2: 409,599 km (0.095 R)
• M3: 961,166 km (0.074 R)
• M4: 1,313,918 km (0.073 R)
• M5: 1,801,906 km (0.113 R)
• M6: 2,303,059 km (0.109 R)
• M7: 2,870,334 km (0.116 R)
• M8: 3,527,368 km (0.117 R)
• M9: 3,862,767 km (0.069 R)
• M10: 4,828,720 km (0.084 R)
• M11: 5,102,185 km (0.057 R)
• M12: 5,718,079 km (0.112 R)
• M13: 7,679,457 km (0.111 R)
• M14: 9,456,979 km (0.09 R)
• M15: 12,357,831 km (0.103 R)
• M16: 13,398,883 km (0.092 R)
• M17: 18,398,893 km (0.083 R)
• M18: 18,815,373 km (0.042 R)
• M19: 20,903,161 km (0.085 R)
• M20: 23,333,827 km (0.069 R)
• M21: 25,635,989 km (0.072 R)
• M22: 26,365,578 km (0.045 R)
• M23: 26,895,154 km (0.081 R)
• M24: 27,757,287 km (0.113 R)
• M25: 32,345,902 km (0.048 R)
• M26: 33,443,801 km (0.1 R)
• M27: 34,819,204 km (0.119 R)
• M28: 38,625,273 km (0.087 R)
• M29: 39,034,273 km (0.05 R)
• M30: 43,283,451 km (0.087 R)
• M31: 48,777,433 km (0.119 R)
• M32: 49,095,628 km (0.102 R)
• M33: 56,977,341 km (0.101 R)
• M34: 60,389,369 km (0.059 R)
• M35: 61,124,643 km (0.056 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.05 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 343.5

Radius: 4.5

Gravity: 16.96 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 6.9 AU - 7.2 AU

Year: 13158 Days

Day: 20 Hours

Environment

Temp: -231 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 45,727,087 km

• M1: 55,950 km (0.094 R)
• M2: 201,060 km (0.113 R)
• M3: 426,803 km (0.097 R)
• M4: 604,375 km (0.058 R)
• M5: 813,214 km (0.089 R)
• M6: 1,788,443 km (0.092 R)
• M7: 1,980,676 km (0.104 R)
• M8: 2,295,131 km (0.115 R)
• M9: 3,391,533 km (0.095 R)
• M10: 3,611,592 km (0.11 R)
• M11: 4,648,006 km (0.092 R)
• M12: 6,589,487 km (0.092 R)
• M13: 8,119,574 km (0.115 R)
• M14: 8,603,224 km (0.101 R)
• M15: 10,019,916 km (0.087 R)
• M16: 10,731,403 km (0.061 R)
• M17: 11,639,762 km (0.11 R)
• M18: 12,714,473 km (0.091 R)
• M19: 12,890,101 km (0.117 R)
• M20: 15,923,497 km (0.082 R)
• M21: 16,127,398 km (0.081 R)
• M22: 17,969,247 km (0.072 R)
• M23: 18,264,554 km (0.098 R)
• M24: 19,867,944 km (0.098 R)
• M25: 21,151,045 km (0.072 R)
• M26: 22,148,713 km (0.108 R)
• M27: 24,870,796 km (0.093 R)
• M28: 27,028,894 km (0.099 R)
• M29: 27,709,565 km (0.085 R)
• M30: 28,202,789 km (0.113 R)
• M31: 31,073,572 km (0.075 R)
• M32: 33,908,153 km (0.103 R)
• M33: 35,503,614 km (0.095 R)
• M34: 35,968,564 km (0.098 R)
• M35: 38,232,279 km (0.098 R)
• M36: 45,590,250 km (0.031 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: 299 - 12,478 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit