🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 379.2

Radius: 13.8

Gravity: 1.99 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 0.57 AU - 0.57 AU

Year: 287 Days

Day: 6.9 Hours

Environment

Temp: -140 °C

Axial Tilt: 28.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 44,845,410 km

• M1: 171,738 km (0.116 R)
• M2: 652,097 km (0.082 R)
• M3: 1,155,494 km (0.092 R)
• M4: 1,728,005 km (0.084 R)
• M5: 2,249,054 km (0.088 R)
• M6: 2,701,887 km (0.118 R)
• M7: 3,196,906 km (0.105 R)
• M8: 3,636,575 km (0.105 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 236.2

Radius: 12.5

Gravity: 1.51 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 0.51 AU - 0.71 AU

Year: 318 Days

Day: 11.1 Hours

Environment

Temp: -148 °C

Axial Tilt: 11.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 44,845,410 km

• M1: 156,180 km (0.046 R)
• M2: 567,275 km (0.05 R)
• M3: 1,014,423 km (0.076 R)
• M4: 1,458,729 km (0.103 R)
• M5: 1,858,305 km (0.054 R)
• M6: 2,684,534 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 447.4

Radius: 9.1

Gravity: 5.4 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 0.75 AU - 0.87 AU

Year: 486 Days

Day: 9.3 Hours

Environment

Temp: -171 °C

Axial Tilt: 43.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 44,845,410 km

• M1: 114,442 km (0.115 R)
• M2: 479,012 km (0.073 R)
• M3: 958,174 km (0.098 R)
• M4: 1,880,296 km (0.066 R)
• M5: 2,172,460 km (0.061 R)
• M6: 2,965,030 km (0.099 R)
• M7: 3,283,673 km (0.111 R)
• M8: 4,215,818 km (0.091 R)
• M9: 5,474,684 km (0.102 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 23.7

Radius: 10

Gravity: 0.24 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 1.12 AU - 1.68 AU

Year: 1105 Days

Day: 6 Hours

Environment

Temp: -190 °C

Axial Tilt: 132.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 44,845,410 km

• M1: 124,465 km (0.058 R)
• M2: 451,337 km (0.107 R)
• M3: 1,502,711 km (0.111 R)
• M4: 2,102,149 km (0.113 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 77

Radius: 8

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 1.29 AU - 1.73 AU

Year: 1237 Days

Day: 8.8 Hours

Environment

Temp: -199 °C

Axial Tilt: 10.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 44,845,410 km

• M1: 99,632 km (0.109 R)
• M2: 1,112,260 km (0.12 R)
• M3: 1,827,787 km (0.115 R)
• M4: 2,128,329 km (0.111 R)
• M5: 2,567,548 km (0.103 R)
• M6: 3,740,246 km (0.097 R)
• M7: 4,132,791 km (0.092 R)
• M8: 5,172,047 km (0.112 R)
• M9: 5,510,438 km (0.105 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 382.1

Radius: 9.1

Gravity: 4.61 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 3.91 AU - 4.85 AU

Year: 6113 Days

Day: 14.2 Hours

Environment

Temp: -231 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 44,845,410 km

• M1: 126,111 km (0.076 R)
• M2: 439,967 km (0.107 R)
• M3: 727,943 km (0.085 R)
• M4: 1,014,872 km (0.115 R)
• M5: 1,401,134 km (0.08 R)
• M6: 2,092,725 km (0.108 R)
• M7: 2,411,218 km (0.094 R)
• M8: 4,399,374 km (0.086 R)
• M9: 5,579,253 km (0.092 R)
• M10: 6,015,929 km (0.074 R)
• M11: 6,859,511 km (0.059 R)
• M12: 7,224,979 km (0.045 R)
• M13: 8,550,715 km (0.094 R)
• M14: 10,766,858 km (0.062 R)
• M15: 11,170,323 km (0.072 R)
• M16: 11,537,287 km (0.108 R)
• M17: 14,122,637 km (0.068 R)
• M18: 14,551,983 km (0.04 R)
• M19: 14,934,804 km (0.062 R)
• M20: 17,558,452 km (0.101 R)
• M21: 18,243,760 km (0.109 R)
• M22: 23,399,949 km (0.071 R)
• M23: 25,000,946 km (0.06 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 521.7

Radius: 3.1

Gravity: 54.29 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 6.16 AU - 6.3 AU

Year: 10370 Days

Day: 23 Hours

Environment

Temp: -221 °C

Axial Tilt: 10.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 44,845,410 km

• M1: 38,596 km (0.108 R)
• M2: 189,840 km (0.061 R)
• M3: 381,175 km (0.094 R)
• M4: 642,672 km (0.075 R)
• M5: 790,326 km (0.099 R)
• M6: 1,011,581 km (0.093 R)
• M7: 1,335,011 km (0.116 R)
• M8: 1,506,750 km (0.064 R)
• M9: 1,992,793 km (0.075 R)
• M10: 2,094,370 km (0.098 R)
• M11: 2,595,523 km (0.106 R)
• M12: 2,716,997 km (0.078 R)
• M13: 2,927,780 km (0.115 R)
• M14: 3,334,537 km (0.1 R)
• M15: 3,777,795 km (0.12 R)
• M16: 5,473,038 km (0.059 R)
• M17: 5,639,391 km (0.092 R)
• M18: 5,774,927 km (0.1 R)
• M19: 6,123,190 km (0.056 R)
• M20: 7,331,792 km (0.099 R)
• M21: 7,615,878 km (0.111 R)
• M22: 11,784,423 km (0.119 R)
• M23: 13,818,804 km (0.112 R)
• M24: 16,693,028 km (0.098 R)
• M25: 17,184,158 km (0.116 R)
• M26: 17,612,905 km (0.108 R)
• M27: 22,722,570 km (0.103 R)
• M28: 24,743,637 km (0.08 R)
• M29: 25,289,969 km (0.097 R)
• M30: 26,881,241 km (0.097 R)
• M31: 27,555,629 km (0.094 R)
• M32: 29,543,934 km (0.119 R)
• M33: 32,269,158 km (0.08 R)
• M34: 33,470,878 km (0.048 R)
• M35: 35,963,179 km (0.072 R)
• M36: 37,135,727 km (0.114 R)
• M37: 39,929,018 km (0.075 R)
• M38: 44,711,064 km (0.076 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 501 - 12,628 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit