🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 441.8

Radius: 14.6

Gravity: 2.07 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 0.67 AU - 0.95 AU

Year: 494 Days

Day: 12.6 Hours

Environment

Temp: -171 °C

Axial Tilt: 6.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 36,492,216 km

• M1: 181,612 km (0.083 R)
• M2: 707,000 km (0.047 R)
• M3: 1,223,860 km (0.029 R)
• M4: 1,790,387 km (0.12 R)
• M5: 2,315,925 km (0.034 R)
• M6: 3,223,385 km (0.117 R)
• M7: 3,723,491 km (0.091 R)
• M8: 4,302,734 km (0.063 R)
• M9: 4,838,444 km (0.08 R)
• M10: 5,371,312 km (0.103 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 538.1

Radius: 12.4

Gravity: 3.5 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 2.61 AU - 3.55 AU

Year: 3666 Days

Day: 9.6 Hours

Environment

Temp: -210 °C

Axial Tilt: 167.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 36,492,216 km

• M1: 155,283 km (0.11 R)
• M2: 1,562,101 km (0.114 R)
• M3: 3,086,653 km (0.093 R)
• M4: 4,798,950 km (0.038 R)
• M5: 6,506,311 km (0.062 R)
• M6: 9,198,474 km (0.09 R)
• M7: 10,426,672 km (0.106 R)
• M8: 11,122,153 km (0.119 R)
• M9: 14,217,931 km (0.068 R)
• M10: 15,022,319 km (0.115 R)
• M11: 16,393,982 km (0.067 R)
• M12: 17,391,351 km (0.053 R)
• M13: 21,461,909 km (0.038 R)

Planet 3 - Gas Giant

Semi-Major Axis: 5.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 448.8

Radius: 13.2

Gravity: 2.58 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 3.84 AU - 6.3 AU

Year: 7743 Days

Day: 5.6 Hours

Environment

Temp: -234 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 36,492,216 km

• M1: 164,258 km (0.116 R)
• M2: 799,750 km (0.03 R)
• M3: 1,235,529 km (0.063 R)
• M4: 1,780,813 km (0.089 R)
• M5: 2,468,066 km (0.103 R)
• M6: 2,942,141 km (0.091 R)
• M7: 3,369,393 km (0.116 R)
• M8: 4,300,041 km (0.113 R)
• M9: 4,853,703 km (0.048 R)
• M10: 5,425,017 km (0.101 R)
• M11: 6,911,122 km (0.102 R)
• M12: 7,376,671 km (0.097 R)
• M13: 7,863,163 km (0.096 R)
• M14: 9,539,707 km (0.095 R)
• M15: 10,254,934 km (0.096 R)
• M16: 12,459,408 km (0.053 R)
• M17: 15,867,996 km (0.102 R)
• M18: 23,812,690 km (0.12 R)
• M19: 24,962,050 km (0.081 R)
• M20: 25,381,373 km (0.113 R)
• M21: 29,184,600 km (0.089 R)
• M22: 31,367,382 km (0.05 R)
• M23: 33,555,102 km (0.053 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 836.3

Radius: 10.5

Gravity: 7.59 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 4.98 AU - 5.32 AU

Year: 7927 Days

Day: 11.5 Hours

Environment

Temp: -219 °C

Axial Tilt: 5.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 36,492,216 km

• M1: 130,599 km (0.058 R)
• M2: 485,894 km (0.079 R)
• M3: 814,112 km (0.116 R)
• M4: 1,347,578 km (0.114 R)
• M5: 2,240,527 km (0.088 R)
• M6: 2,909,529 km (0.109 R)
• M7: 3,325,710 km (0.083 R)
• M8: 5,246,098 km (0.098 R)
• M9: 6,317,518 km (0.038 R)
• M10: 6,943,136 km (0.051 R)
• M11: 8,232,520 km (0.079 R)
• M12: 9,161,374 km (0.118 R)
• M13: 11,438,552 km (0.046 R)
• M14: 12,256,254 km (0.09 R)
• M15: 12,651,043 km (0.115 R)
• M16: 17,010,026 km (0.074 R)
• M17: 18,958,688 km (0.094 R)
• M18: 21,051,712 km (0.119 R)
• M19: 22,278,863 km (0.102 R)
• M20: 27,957,149 km (0.104 R)
• M21: 33,098,230 km (0.106 R)
• M22: 36,005,515 km (0.102 R)
• M23: 36,699,948 km (0.082 R)
• M24: 37,639,572 km (0.12 R)
• M25: 38,474,777 km (0.063 R)
• M26: 38,957,679 km (0.108 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 408.5

Radius: 6.3

Gravity: 10.29 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 4.98 AU - 6.42 AU

Year: 9230 Days

Day: 21.8 Hours

Environment

Temp: -232 °C

Axial Tilt: 116 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 36,492,216 km

• M1: 80,184 km (0.087 R)
• M2: 421,866 km (0.101 R)
• M3: 1,815,071 km (0.045 R)
• M4: 2,484,671 km (0.068 R)
• M5: 3,008,413 km (0.053 R)
• M6: 4,651,895 km (0.036 R)
• M7: 4,935,832 km (0.093 R)
• M8: 11,558,231 km (0.051 R)
• M9: 14,865,840 km (0.077 R)
• M10: 29,414,233 km (0.1 R)
• M11: 36,112,926 km (0.113 R)
• M12: 36,889,788 km (0.112 R)
• M13: 37,226,233 km (0.11 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 169.6

Radius: 5

Gravity: 6.78 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 5.98 AU - 8.6 AU

Year: 13350 Days

Day: 17.4 Hours

Environment

Temp: -230 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 36,492,216 km

• M1: 63,280 km (0.115 R)
• M2: 404,363 km (0.105 R)
• M3: 978,520 km (0.075 R)
• M4: 1,336,059 km (0.077 R)
• M5: 1,922,482 km (0.089 R)
• M6: 2,722,831 km (0.118 R)
• M7: 3,165,491 km (0.076 R)
• M8: 3,966,438 km (0.034 R)
• M9: 4,269,972 km (0.061 R)
• M10: 7,430,526 km (0.037 R)
• M11: 8,331,105 km (0.068 R)
• M12: 11,925,942 km (0.088 R)
• M13: 13,773,177 km (0.108 R)
• M14: 15,492,655 km (0.09 R)
• M15: 16,954,226 km (0.113 R)
• M16: 23,968,870 km (0.112 R)
• M17: 24,635,179 km (0.109 R)
• M18: 26,975,338 km (0.11 R)
• M19: 33,208,184 km (0.074 R)
• M20: 35,948,518 km (0.119 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 299 - 13,012 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit