🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 536

Radius: 10.9

Gravity: 4.51 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 0.55 AU - 0.83 AU

Year: 396 Days

Day: 9.8 Hours

Environment

Temp: -154 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 64,380,044 km

• M1: 135,536 km (0.057 R)
• M2: 474,674 km (0.12 R)
• M3: 993,779 km (0.089 R)
• M4: 1,389,914 km (0.119 R)
• M5: 1,782,907 km (0.083 R)
• M6: 2,126,085 km (0.087 R)
• M7: 2,569,343 km (0.038 R)
• M8: 3,158,759 km (0.117 R)
• M9: 3,503,283 km (0.095 R)
• M10: 3,922,905 km (0.078 R)
• M11: 4,389,351 km (0.084 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 286.5

Radius: 12.7

Gravity: 1.78 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 0.72 AU - 0.84 AU

Year: 476 Days

Day: 8.5 Hours

Environment

Temp: -166 °C

Axial Tilt: 10.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 64,380,044 km

• M1: 158,125 km (0.088 R)
• M2: 597,643 km (0.072 R)
• M3: 1,086,978 km (0.076 R)
• M4: 1,820,008 km (0.097 R)
• M5: 2,315,625 km (0.108 R)
• M6: 2,776,686 km (0.06 R)
• M7: 3,267,068 km (0.1 R)
• M8: 3,874,585 km (0.097 R)
• M9: 4,650,549 km (0.055 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 321.1

Radius: 11.8

Gravity: 2.31 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 0.87 AU - 0.95 AU

Year: 599 Days

Day: 14.6 Hours

Environment

Temp: -180 °C

Axial Tilt: 48 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 64,380,044 km

• M1: 146,756 km (0.115 R)
• M2: 529,576 km (0.058 R)
• M3: 914,342 km (0.099 R)
• M4: 1,334,712 km (0.043 R)
• M5: 1,932,206 km (0.09 R)
• M6: 2,575,627 km (0.056 R)
• M7: 3,120,761 km (0.051 R)
• M8: 3,655,424 km (0.069 R)
• M9: 5,138,537 km (0.084 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 575.4

Radius: 11.7

Gravity: 4.2 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 1.12 AU - 1.2 AU

Year: 862 Days

Day: 11.4 Hours

Environment

Temp: -173 °C

Axial Tilt: 0.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 64,380,044 km

• M1: 145,559 km (0.075 R)
• M2: 524,191 km (0.107 R)
• M3: 1,317,658 km (0.072 R)
• M4: 1,787,545 km (0.104 R)
• M5: 2,337,317 km (0.08 R)
• M6: 2,792,095 km (0.108 R)
• M7: 3,764,630 km (0.093 R)
• M8: 4,641,124 km (0.027 R)
• M9: 5,092,012 km (0.111 R)
• M10: 6,538,474 km (0.113 R)
• M11: 7,151,825 km (0.082 R)
• M12: 7,875,281 km (0.074 R)

Asteroid Belt

Center: 1.63 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 2.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 879.6

Radius: 13.5

Gravity: 4.83 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 2.02 AU - 2.18 AU

Year: 2101 Days

Day: 8.7 Hours

Environment

Temp: -198 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 64,380,044 km

• M1: 167,998 km (0.082 R)
• M2: 760,107 km (0.04 R)
• M3: 1,208,900 km (0.054 R)
• M4: 1,764,656 km (0.119 R)
• M5: 2,340,459 km (0.1 R)
• M6: 3,493,110 km (0.038 R)
• M7: 4,411,192 km (0.104 R)
• M8: 4,927,604 km (0.074 R)
• M9: 6,424,929 km (0.079 R)
• M10: 7,264,473 km (0.119 R)
• M11: 7,771,909 km (0.074 R)
• M12: 9,196,230 km (0.058 R)
• M13: 9,684,218 km (0.104 R)
• M14: 10,411,264 km (0.089 R)
• M15: 12,221,996 km (0.117 R)
• M16: 14,142,534 km (0.104 R)
• M17: 15,808,456 km (0.074 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 849.2

Radius: 11.9

Gravity: 6 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 2.25 AU - 3.15 AU

Year: 3062 Days

Day: 7.9 Hours

Environment

Temp: -215 °C

Axial Tilt: 47.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 64,380,044 km

• M1: 151,094 km (0.085 R)
• M2: 542,591 km (0.11 R)
• M3: 975,827 km (0.083 R)
• M4: 1,383,780 km (0.091 R)
• M5: 2,169,020 km (0.09 R)
• M6: 2,670,920 km (0.096 R)
• M7: 3,177,608 km (0.104 R)
• M8: 6,327,990 km (0.119 R)
• M9: 6,831,237 km (0.084 R)
• M10: 7,457,454 km (0.049 R)
• M11: 7,918,215 km (0.077 R)
• M12: 8,609,507 km (0.111 R)
• M13: 9,006,689 km (0.066 R)
• M14: 10,352,621 km (0.112 R)
• M15: 11,222,084 km (0.085 R)
• M16: 11,609,393 km (0.093 R)
• M17: 13,828,079 km (0.038 R)
• M18: 14,223,616 km (0.09 R)
• M19: 14,626,633 km (0.096 R)
• M20: 15,141,249 km (0.07 R)
• M21: 16,043,773 km (0.107 R)
• M22: 16,591,301 km (0.046 R)
• M23: 17,207,794 km (0.117 R)
• M24: 19,149,575 km (0.096 R)
• M25: 20,078,877 km (0.073 R)
• M26: 20,779,294 km (0.063 R)
• M27: 22,499,520 km (0.062 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 870.2

Radius: 6.4

Gravity: 21.25 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 6.52 AU - 8.22 AU

Year: 13811 Days

Day: 21.6 Hours

Environment

Temp: -225 °C

Axial Tilt: 43.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 64,380,044 km

• M1: 80,035 km (0.107 R)
• M2: 333,154 km (0.119 R)
• M3: 1,262,756 km (0.085 R)
• M4: 1,680,433 km (0.085 R)
• M5: 2,540,621 km (0.072 R)
• M6: 2,766,214 km (0.074 R)
• M7: 3,029,806 km (0.12 R)
• M8: 3,663,951 km (0.084 R)
• M9: 4,042,434 km (0.03 R)
• M10: 4,708,593 km (0.08 R)
• M11: 5,015,717 km (0.084 R)
• M12: 6,096,562 km (0.072 R)
• M13: 7,324,910 km (0.113 R)
• M14: 8,760,451 km (0.09 R)
• M15: 10,488,456 km (0.107 R)
• M16: 11,677,011 km (0.062 R)
• M17: 12,496,060 km (0.062 R)
• M18: 13,624,177 km (0.075 R)
• M19: 13,968,552 km (0.062 R)
• M20: 16,081,322 km (0.074 R)
• M21: 17,014,663 km (0.113 R)
• M22: 17,414,090 km (0.118 R)
• M23: 18,903,935 km (0.086 R)
• M24: 20,566,416 km (0.08 R)
• M25: 21,111,102 km (0.104 R)
• M26: 21,946,157 km (0.026 R)
• M27: 22,514,928 km (0.116 R)
• M28: 24,380,863 km (0.099 R)
• M29: 24,786,422 km (0.118 R)
• M30: 34,251,480 km (0.103 R)
• M31: 39,013,180 km (0.082 R)
• M32: 42,275,760 km (0.118 R)
• M33: 46,177,721 km (0.057 R)
• M34: 51,633,406 km (0.036 R)
• M35: 62,849,207 km (0.087 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: 241 - 19,198 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit