🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 724

Radius: 10.1

Gravity: 7.1 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 0.51 AU - 0.83 AU

Year: 366 Days

Day: 10.1 Hours

Environment

Temp: -153 °C

Axial Tilt: 15 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 59,134,019 km

• M1: 125,662 km (0.109 R)
• M2: 451,935 km (0.044 R)
• M3: 860,038 km (0.118 R)
• M4: 1,204,712 km (0.065 R)
• M5: 1,542,055 km (0.107 R)
• M6: 2,014,036 km (0.069 R)
• M7: 2,638,158 km (0.091 R)
• M8: 2,980,289 km (0.094 R)
• M9: 4,084,770 km (0.088 R)
• M10: 4,433,931 km (0.119 R)
• M11: 4,832,310 km (0.106 R)
• M12: 5,254,476 km (0.029 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 603.6

Radius: 11.2

Gravity: 4.81 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 0.61 AU - 0.79 AU

Year: 391 Days

Day: 14.2 Hours

Environment

Temp: -156 °C

Axial Tilt: 13.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 59,134,019 km

• M1: 139,276 km (0.068 R)
• M2: 670,647 km (0.06 R)
• M3: 1,606,681 km (0.107 R)
• M4: 2,217,938 km (0.099 R)
• M5: 2,697,998 km (0.082 R)
• M6: 3,335,883 km (0.09 R)
• M7: 4,059,039 km (0.102 R)
• M8: 4,611,205 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 101.3

Radius: 10.9

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 0.83 AU - 0.91 AU

Year: 541 Days

Day: 12.4 Hours

Environment

Temp: -166 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 59,134,019 km

• M1: 135,536 km (0.088 R)
• M2: 676,182 km (0.105 R)
• M3: 1,204,412 km (0.117 R)
• M4: 1,779,467 km (0.097 R)
• M5: 2,482,128 km (0.074 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 225.8

Radius: 8.2

Gravity: 3.36 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 1.09 AU - 1.77 AU

Year: 1140 Days

Day: 8.7 Hours

Environment

Temp: -186 °C

Axial Tilt: 23.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 59,134,019 km

• M1: 102,026 km (0.075 R)
• M2: 373,097 km (0.054 R)
• M3: 659,128 km (0.092 R)
• M4: 962,513 km (0.106 R)
• M5: 1,220,270 km (0.113 R)
• M6: 1,585,887 km (0.091 R)
• M7: 2,582,658 km (0.116 R)
• M8: 2,899,057 km (0.074 R)
• M9: 3,356,827 km (0.096 R)
• M10: 4,185,748 km (0.059 R)
• M11: 5,040,999 km (0.055 R)
• M12: 5,648,068 km (0.098 R)
• M13: 7,740,343 km (0.077 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 476.5

Radius: 13.5

Gravity: 2.61 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 1.93 AU - 2.29 AU

Year: 2044 Days

Day: 7 Hours

Environment

Temp: -203 °C

Axial Tilt: 49 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 59,134,019 km

• M1: 167,849 km (0.088 R)
• M2: 672,592 km (0.115 R)
• M3: 2,021,965 km (0.079 R)
• M4: 2,767,710 km (0.065 R)
• M5: 3,690,579 km (0.045 R)
• M6: 4,452,182 km (0.104 R)
• M7: 6,023,708 km (0.079 R)
• M8: 7,515,647 km (0.089 R)
• M9: 7,938,860 km (0.092 R)
• M10: 9,305,586 km (0.036 R)
• M11: 12,936,775 km (0.118 R)
• M12: 13,423,118 km (0.081 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 375.6

Radius: 10.1

Gravity: 3.68 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 1.97 AU - 3.23 AU

Year: 2796 Days

Day: 12 Hours

Environment

Temp: -202 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 59,134,019 km

• M1: 125,812 km (0.082 R)
• M2: 531,671 km (0.118 R)
• M3: 948,600 km (0.079 R)
• M4: 1,350,270 km (0.094 R)
• M5: 1,673,252 km (0.082 R)
• M6: 2,219,135 km (0.119 R)
• M7: 2,576,225 km (0.045 R)
• M8: 3,373,881 km (0.059 R)
• M9: 4,190,236 km (0.051 R)
• M10: 4,551,515 km (0.091 R)
• M11: 4,933,738 km (0.075 R)
• M12: 5,547,388 km (0.047 R)
• M13: 5,885,180 km (0.116 R)
• M14: 6,790,247 km (0.092 R)
• M15: 8,365,214 km (0.116 R)
• M16: 9,006,091 km (0.048 R)
• M17: 9,852,965 km (0.086 R)
• M18: 10,349,779 km (0.064 R)
• M19: 11,509,761 km (0.12 R)
• M20: 12,181,605 km (0.101 R)
• M21: 13,259,458 km (0.1 R)
• M22: 14,901,145 km (0.063 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 186.6

Radius: 13

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 2.8 AU - 3.92 AU

Year: 4107 Days

Day: 10.6 Hours

Environment

Temp: -210 °C

Axial Tilt: 27.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 59,134,019 km

• M1: 161,865 km (0.073 R)
• M2: 589,416 km (0.112 R)
• M3: 1,009,187 km (0.097 R)
• M4: 2,300,366 km (0.029 R)
• M5: 3,069,000 km (0.084 R)
• M6: 3,531,707 km (0.114 R)
• M7: 4,853,703 km (0.105 R)
• M8: 5,299,654 km (0.082 R)
• M9: 6,248,553 km (0.089 R)
• M10: 10,679,942 km (0.088 R)
• M11: 12,436,071 km (0.032 R)
• M12: 14,107,678 km (0.102 R)
• M13: 16,663,408 km (0.083 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.2 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 774.9

Radius: 7.2

Gravity: 14.95 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 6.86 AU - 7.54 AU

Year: 12883 Days

Day: 18.3 Hours

Environment

Temp: -233 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 59,134,019 km

• M1: 89,759 km (0.113 R)
• M2: 369,507 km (0.039 R)
• M3: 652,097 km (0.116 R)
• M4: 1,001,109 km (0.092 R)
• M5: 1,917,546 km (0.117 R)
• M6: 2,211,356 km (0.062 R)
• M7: 2,599,413 km (0.06 R)
• M8: 2,937,205 km (0.106 R)
• M9: 3,538,438 km (0.072 R)
• M10: 3,812,053 km (0.06 R)
• M11: 4,099,730 km (0.075 R)
• M12: 5,017,064 km (0.065 R)
• M13: 6,337,863 km (0.112 R)
• M14: 7,875,879 km (0.117 R)
• M15: 11,849,797 km (0.119 R)
• M16: 14,573,974 km (0.083 R)
• M17: 16,910,693 km (0.103 R)
• M18: 17,375,045 km (0.083 R)
• M19: 27,894,169 km (0.055 R)
• M20: 28,870,444 km (0.104 R)
• M21: 33,003,385 km (0.1 R)
• M22: 33,972,629 km (0.095 R)
• M23: 34,217,820 km (0.077 R)
• M24: 35,461,726 km (0.101 R)
• M25: 36,606,749 km (0.057 R)
• M26: 37,383,760 km (0.057 R)
• M27: 38,970,545 km (0.083 R)
• M28: 40,739,689 km (0.111 R)
• M29: 41,294,547 km (0.049 R)
• M30: 44,437,150 km (0.072 R)
• M31: 49,917,668 km (0.079 R)
• M32: 53,148,832 km (0.075 R)
• M33: 53,645,198 km (0.06 R)
• M34: 53,977,904 km (0.074 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 196 - 11,526 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit