🌌 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: 979.7

Radius: 9.1

Gravity: 11.83 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 0.59 AU - 0.85 AU

Year: 394 Days

Day: 11.1 Hours

Environment

Temp: -142 °C

Axial Tilt: 0.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 79,487,734 km

• M1: 117,883 km (0.069 R)
• M2: 426,952 km (0.054 R)
• M3: 831,764 km (0.089 R)
• M4: 1,124,378 km (0.116 R)
• M5: 1,635,105 km (0.057 R)
• M6: 2,071,033 km (0.099 R)
• M7: 2,654,016 km (0.104 R)
• M8: 3,029,207 km (0.09 R)
• M9: 3,318,679 km (0.071 R)
• M10: 3,639,417 km (0.087 R)
• M11: 4,698,121 km (0.058 R)
• M12: 5,184,613 km (0.098 R)
• M13: 5,583,890 km (0.069 R)
• M14: 5,879,047 km (0.099 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 604.1

Radius: 13.6

Gravity: 3.27 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 1.26 AU - 1.46 AU

Year: 1024 Days

Day: 13.2 Hours

Environment

Temp: -180 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 79,487,734 km

• M1: 169,644 km (0.084 R)
• M2: 623,075 km (0.102 R)
• M3: 1,088,773 km (0.075 R)
• M4: 1,692,401 km (0.097 R)
• M5: 2,190,412 km (0.093 R)
• M6: 2,811,243 km (0.069 R)
• M7: 4,342,377 km (0.096 R)
• M8: 4,845,475 km (0.079 R)
• M9: 6,728,164 km (0.089 R)
• M10: 7,237,246 km (0.082 R)
• M11: 8,049,263 km (0.104 R)
• M12: 8,758,058 km (0.101 R)
• M13: 9,972,493 km (0.088 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 28.7

Radius: 9.1

Gravity: 0.35 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 1.4 AU - 1.7 AU

Year: 1246 Days

Day: 5.4 Hours

Environment

Temp: -187 °C

Axial Tilt: 1.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 79,487,734 km

• M1: 114,293 km (0.068 R)
• M2: 404,064 km (0.082 R)
• M3: 774,319 km (0.099 R)
• M4: 1,076,057 km (0.12 R)
• M5: 1,469,350 km (0.114 R)
• M6: 1,776,924 km (0.105 R)
• M7: 2,197,144 km (0.095 R)
• M8: 2,746,019 km (0.118 R)
• M9: 3,598,876 km (0.101 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 612.4

Radius: 14.9

Gravity: 2.76 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 2.34 AU - 3.18 AU

Year: 2961 Days

Day: 13.9 Hours

Environment

Temp: -194 °C

Axial Tilt: 17.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 79,487,734 km

• M1: 193,580 km (0.072 R)
• M2: 665,860 km (0.112 R)
• M3: 1,198,279 km (0.061 R)
• M4: 1,723,667 km (0.102 R)
• M5: 3,530,360 km (0.071 R)
• M6: 5,690,553 km (0.076 R)
• M7: 10,131,067 km (0.097 R)
• M8: 13,159,227 km (0.077 R)
• M9: 15,151,871 km (0.066 R)
• M10: 17,284,538 km (0.098 R)
• M11: 18,679,239 km (0.065 R)
• M12: 19,257,734 km (0.113 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 491.2

Radius: 11.1

Gravity: 3.99 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 2.49 AU - 3.45 AU

Year: 3305 Days

Day: 13.5 Hours

Environment

Temp: -206 °C

Axial Tilt: 89.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 79,487,734 km

• M1: 139,575 km (0.098 R)
• M2: 521,498 km (0.111 R)
• M3: 938,727 km (0.109 R)
• M4: 2,069,537 km (0.111 R)
• M5: 4,091,951 km (0.1 R)
• M6: 4,922,668 km (0.1 R)
• M7: 5,304,591 km (0.081 R)
• M8: 5,809,933 km (0.086 R)
• M9: 6,858,913 km (0.111 R)
• M10: 7,245,324 km (0.108 R)
• M11: 9,186,207 km (0.087 R)
• M12: 11,743,283 km (0.115 R)
• M13: 13,784,247 km (0.118 R)
• M14: 15,136,761 km (0.109 R)
• M15: 15,488,167 km (0.088 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 860.3

Radius: 5.4

Gravity: 29.5 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 8.71 AU - 10.39 AU

Year: 19055 Days

Day: 23.7 Hours

Environment

Temp: -228 °C

Axial Tilt: 26.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 79,487,734 km

• M1: 67,169 km (0.114 R)
• M2: 294,558 km (0.071 R)
• M3: 693,087 km (0.1 R)
• M4: 1,511,986 km (0.085 R)
• M5: 2,147,777 km (0.11 R)
• M6: 2,768,458 km (0.11 R)
• M7: 3,026,365 km (0.065 R)
• M8: 3,272,005 km (0.088 R)
• M9: 4,494,369 km (0.06 R)
• M10: 4,851,160 km (0.107 R)
• M11: 6,470,108 km (0.111 R)
• M12: 9,183,963 km (0.075 R)
• M13: 9,353,756 km (0.059 R)
• M14: 9,876,003 km (0.09 R)
• M15: 10,540,516 km (0.106 R)
• M16: 12,712,528 km (0.115 R)
• M17: 12,994,520 km (0.08 R)
• M18: 14,852,825 km (0.052 R)
• M19: 16,130,989 km (0.071 R)
• M20: 18,272,034 km (0.103 R)
• M21: 19,643,696 km (0.088 R)
• M22: 21,978,919 km (0.079 R)
• M23: 22,385,227 km (0.093 R)
• M24: 23,004,263 km (0.08 R)
• M25: 25,594,401 km (0.051 R)
• M26: 26,844,141 km (0.11 R)
• M27: 28,133,824 km (0.102 R)
• M28: 31,090,327 km (0.104 R)
• M29: 32,380,908 km (0.098 R)
• M30: 32,774,949 km (0.098 R)
• M31: 35,345,339 km (0.06 R)
• M32: 36,466,725 km (0.052 R)
• M33: 46,138,526 km (0.085 R)
• M34: 54,559,989 km (0.112 R)
• M35: 57,005,166 km (0.103 R)
• M36: 58,157,967 km (0.043 R)
• M37: 61,709,570 km (0.091 R)
• M38: 77,128,922 km (0.073 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 189 - 18,695 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit