🌌 Stone's Star System Generator

Asteroid Belt

Center: 2.65 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 5.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 619.3

Radius: 10.6

Gravity: 5.51 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 4.23 AU - 6.35 AU

Year: 4536 Days

Day: 6.5 Hours

Environment

Temp: -156 °C

Axial Tilt: 21.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 70,793,909 km

• M1: 131,796 km (0.095 R)
• M2: 517,758 km (0.089 R)
• M3: 1,101,489 km (0.101 R)
• M4: 1,556,267 km (0.037 R)
• M5: 1,927,269 km (0.118 R)
• M6: 2,326,995 km (0.092 R)
• M7: 2,764,868 km (0.092 R)
• M8: 3,555,941 km (0.119 R)
• M9: 5,611,117 km (0.119 R)
• M10: 7,136,716 km (0.051 R)
• M11: 8,807,275 km (0.118 R)
• M12: 9,511,433 km (0.118 R)
• M13: 10,379,848 km (0.099 R)
• M14: 11,711,269 km (0.106 R)
• M15: 12,659,869 km (0.05 R)
• M16: 13,353,854 km (0.034 R)
• M17: 15,532,747 km (0.086 R)
• M18: 17,330,465 km (0.096 R)
• M19: 17,754,874 km (0.107 R)
• M20: 19,849,693 km (0.055 R)
• M21: 20,922,609 km (0.079 R)
• M22: 24,373,233 km (0.063 R)
• M23: 24,753,062 km (0.083 R)
• M24: 26,233,183 km (0.095 R)
• M25: 26,792,979 km (0.092 R)

Planet 2 - Gas Giant

Semi-Major Axis: 7.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 610.8

Radius: 14.4

Gravity: 2.95 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 6.16 AU - 9.74 AU

Year: 8356 Days

Day: 6.4 Hours

Environment

Temp: -173 °C

Axial Tilt: 24.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 70,793,909 km

• M1: 179,517 km (0.093 R)
• M2: 800,648 km (0.114 R)
• M3: 1,941,332 km (0.106 R)
• M4: 4,171,537 km (0.118 R)
• M5: 5,242,358 km (0.091 R)
• M6: 5,745,306 km (0.106 R)
• M7: 6,524,861 km (0.096 R)
• M8: 7,070,594 km (0.086 R)
• M9: 9,158,531 km (0.075 R)
• M10: 11,841,569 km (0.096 R)
• M11: 22,158,137 km (0.117 R)
• M12: 28,521,432 km (0.097 R)
• M13: 29,985,547 km (0.111 R)
• M14: 33,275,503 km (0.105 R)
• M15: 40,929,828 km (0.104 R)

Planet 3 - Gas Giant

Semi-Major Axis: 9.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 120.9

Radius: 11

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 7.35 AU - 11.13 AU

Year: 10470 Days

Day: 9.8 Hours

Environment

Temp: -169 °C

Axial Tilt: 16.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 70,793,909 km

• M1: 136,882 km (0.114 R)
• M2: 481,256 km (0.034 R)
• M3: 823,686 km (0.078 R)
• M4: 1,773,184 km (0.073 R)
• M5: 3,037,734 km (0.056 R)
• M6: 3,861,271 km (0.119 R)
• M7: 5,165,465 km (0.064 R)
• M8: 5,519,413 km (0.106 R)
• M9: 5,977,183 km (0.06 R)
• M10: 9,397,888 km (0.111 R)
• M11: 9,762,308 km (0.115 R)
• M12: 10,263,012 km (0.071 R)
• M13: 11,452,315 km (0.025 R)
• M14: 12,056,691 km (0.057 R)
• M15: 14,050,531 km (0.104 R)
• M16: 15,016,036 km (0.088 R)
• M17: 17,019,002 km (0.078 R)
• M18: 21,131,896 km (0.078 R)
• M19: 21,548,526 km (0.085 R)

Planet 4 - Ice Giant

Semi-Major Axis: 16.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 431.6

Radius: 6.4

Gravity: 10.54 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 14.43 AU - 18.45 AU

Year: 24849 Days

Day: 19.5 Hours

Environment

Temp: -189 °C

Axial Tilt: 9.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 70,793,909 km

• M1: 84,373 km (0.092 R)
• M2: 572,062 km (0.09 R)
• M3: 870,660 km (0.108 R)
• M4: 1,270,535 km (0.038 R)
• M5: 2,455,948 km (0.109 R)
• M6: 3,711,673 km (0.077 R)
• M7: 4,615,842 km (0.108 R)
• M8: 5,156,788 km (0.073 R)
• M9: 8,356,088 km (0.084 R)
• M10: 8,565,226 km (0.089 R)
• M11: 10,128,225 km (0.08 R)
• M12: 10,852,877 km (0.102 R)
• M13: 12,953,829 km (0.088 R)
• M14: 19,913,870 km (0.103 R)
• M15: 22,126,423 km (0.112 R)
• M16: 23,240,478 km (0.068 R)
• M17: 24,604,511 km (0.111 R)
• M18: 25,799,798 km (0.1 R)
• M19: 28,541,179 km (0.052 R)
• M20: 32,233,105 km (0.107 R)
• M21: 34,193,137 km (0.055 R)
• M22: 34,460,318 km (0.101 R)
• M23: 34,728,996 km (0.092 R)
• M24: 44,874,724 km (0.082 R)
• M25: 45,355,830 km (0.096 R)
• M26: 52,279,968 km (0.098 R)
• M27: 55,162,569 km (0.102 R)
• M28: 60,654,457 km (0.048 R)
• M29: 63,431,442 km (0.103 R)
• M30: 65,466,123 km (0.091 R)

Planet 5 - Ice Giant

Semi-Major Axis: 17.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 299.9

Radius: 7.6

Gravity: 5.19 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 14.59 AU - 20.27 AU

Year: 27127 Days

Day: 22.1 Hours

Environment

Temp: -191 °C

Axial Tilt: 16 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 70,793,909 km

• M1: 97,239 km (0.101 R)
• M2: 429,795 km (0.096 R)
• M3: 694,733 km (0.101 R)
• M4: 954,734 km (0.102 R)
• M5: 1,440,179 km (0.105 R)
• M6: 2,346,592 km (0.117 R)
• M7: 2,848,792 km (0.064 R)
• M8: 3,793,054 km (0.093 R)
• M9: 4,353,148 km (0.095 R)
• M10: 5,295,166 km (0.098 R)
• M11: 6,842,307 km (0.081 R)
• M12: 7,248,914 km (0.064 R)
• M13: 10,860,207 km (0.118 R)
• M14: 11,289,104 km (0.03 R)
• M15: 13,325,879 km (0.082 R)
• M16: 13,817,607 km (0.119 R)
• M17: 15,137,659 km (0.096 R)
• M18: 17,857,049 km (0.099 R)
• M19: 28,052,443 km (0.068 R)
• M20: 29,801,691 km (0.027 R)
• M21: 35,217,433 km (0.115 R)
• M22: 38,791,326 km (0.032 R)
• M23: 39,937,844 km (0.099 R)
• M24: 40,373,623 km (0.101 R)
• M25: 43,666,272 km (0.11 R)
• M26: 52,498,082 km (0.096 R)
• M27: 57,329,794 km (0.119 R)
• M28: 60,710,406 km (0.048 R)
• M29: 62,840,530 km (0.102 R)
• M30: 64,023,102 km (0.086 R)
• M31: 70,370,539 km (0.085 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: 308 - 13,487 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit