🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 279.2

Radius: 9

Gravity: 3.45 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 0.8 AU - 0.9 AU

Year: 532 Days

Day: 9.7 Hours

Environment

Temp: -161 °C

Axial Tilt: 42.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 38,930,150 km

• M1: 115,789 km (0.099 R)
• M2: 510,727 km (0.072 R)
• M3: 822,788 km (0.113 R)
• M4: 1,120,787 km (0.075 R)
• M5: 1,562,999 km (0.095 R)
• M6: 1,983,817 km (0.079 R)
• M7: 2,345,695 km (0.101 R)
• M8: 3,413,973 km (0.067 R)
• M9: 3,728,727 km (0.075 R)
• M10: 4,139,971 km (0.059 R)
• M11: 4,692,885 km (0.11 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 392.2

Radius: 14.2

Gravity: 1.95 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 0.82 AU - 1.2 AU

Year: 688 Days

Day: 5.5 Hours

Environment

Temp: -184 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 38,930,150 km

• M1: 176,675 km (0.105 R)
• M2: 628,461 km (0.097 R)
• M3: 1,140,235 km (0.102 R)
• M4: 1,915,152 km (0.106 R)
• M5: 2,825,006 km (0.062 R)
• M6: 3,472,017 km (0.062 R)
• M7: 3,925,448 km (0.114 R)
• M8: 4,389,501 km (0.113 R)
• M9: 4,890,205 km (0.096 R)
• M10: 5,687,262 km (0.091 R)
• M11: 6,209,658 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 24.7

Radius: 13.3

Gravity: 0.14 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 2.04 AU - 2.58 AU

Year: 2381 Days

Day: 11.6 Hours

Environment

Temp: -196 °C

Axial Tilt: 24.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 38,930,150 km

• M1: 165,455 km (0.116 R)
• M2: 811,718 km (0.073 R)
• M3: 1,302,399 km (0.046 R)
• M4: 2,143,588 km (0.059 R)
• M5: 2,804,661 km (0.062 R)
• M6: 4,465,496 km (0.11 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 104.5

Radius: 14.9

Gravity: 0.47 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 2.31 AU - 2.97 AU

Year: 2909 Days

Day: 5.8 Hours

Environment

Temp: -210 °C

Axial Tilt: 1.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 38,930,150 km

• M1: 185,352 km (0.09 R)
• M2: 718,668 km (0.093 R)
• M3: 1,199,925 km (0.114 R)
• M4: 1,878,949 km (0.057 R)
• M5: 2,683,337 km (0.119 R)
• M6: 3,452,569 km (0.064 R)
• M7: 4,177,371 km (0.085 R)
• M8: 4,740,158 km (0.04 R)
• M9: 5,313,716 km (0.088 R)
• M10: 5,997,977 km (0.072 R)
• M11: 7,146,739 km (0.116 R)
• M12: 7,748,123 km (0.107 R)
• M13: 8,437,619 km (0.076 R)
• M14: 10,001,216 km (0.105 R)
• M15: 11,179,150 km (0.101 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 35.8

Radius: 9.5

Gravity: 0.4 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 3.04 AU - 3.74 AU

Year: 4233 Days

Day: 7.8 Hours

Environment

Temp: -210 °C

Axial Tilt: 14.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 38,930,150 km

• M1: 126,410 km (0.097 R)
• M2: 467,344 km (0.104 R)
• M3: 791,373 km (0.12 R)
• M4: 1,690,606 km (0.093 R)
• M5: 3,370,141 km (0.097 R)
• M6: 3,814,297 km (0.088 R)
• M7: 5,211,691 km (0.099 R)
• M8: 5,848,529 km (0.084 R)
• M9: 8,870,406 km (0.056 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 651

Radius: 9.6

Gravity: 7.06 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 3.68 AU - 5.32 AU

Year: 6475 Days

Day: 11.3 Hours

Environment

Temp: -223 °C

Axial Tilt: 5.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 38,930,150 km

• M1: 119,529 km (0.074 R)
• M2: 493,673 km (0.105 R)
• M3: 1,476,681 km (0.116 R)
• M4: 1,842,747 km (0.048 R)
• M5: 2,875,271 km (0.076 R)
• M6: 3,258,840 km (0.047 R)
• M7: 5,935,744 km (0.11 R)
• M8: 6,977,693 km (0.084 R)
• M9: 8,255,858 km (0.118 R)
• M10: 8,578,092 km (0.085 R)
• M11: 10,456,442 km (0.116 R)
• M12: 10,977,941 km (0.103 R)
• M13: 13,570,023 km (0.053 R)
• M14: 15,794,543 km (0.082 R)
• M15: 22,166,515 km (0.093 R)
• M16: 25,319,290 km (0.079 R)
• M17: 27,312,532 km (0.077 R)
• M18: 30,351,762 km (0.104 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 129.9

Radius: 6.1

Gravity: 3.49 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 6.55 AU - 10.46 AU

Year: 16808 Days

Day: 22.5 Hours

Environment

Temp: -241 °C

Axial Tilt: 8.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 38,930,150 km

• M1: 76,445 km (0.077 R)
• M2: 435,629 km (0.09 R)
• M3: 654,341 km (0.101 R)
• M4: 928,853 km (0.096 R)
• M5: 1,255,874 km (0.115 R)
• M6: 1,523,505 km (0.058 R)
• M7: 1,727,556 km (0.093 R)
• M8: 1,949,709 km (0.083 R)
• M9: 3,037,585 km (0.03 R)
• M10: 3,735,758 km (0.077 R)
• M11: 4,508,581 km (0.114 R)
• M12: 4,731,481 km (0.109 R)
• M13: 5,321,346 km (0.105 R)
• M14: 6,228,059 km (0.076 R)
• M15: 6,646,633 km (0.051 R)
• M16: 8,137,077 km (0.077 R)
• M17: 11,348,195 km (0.089 R)
• M18: 11,605,504 km (0.078 R)
• M19: 12,619,179 km (0.06 R)
• M20: 18,232,091 km (0.109 R)
• M21: 22,940,833 km (0.117 R)
• M22: 23,601,906 km (0.077 R)
• M23: 24,789,414 km (0.114 R)
• M24: 26,825,741 km (0.091 R)
• M25: 28,970,974 km (0.039 R)
• M26: 37,094,886 km (0.032 R)
• M27: 38,234,972 km (0.094 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: 267 - 12,973 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit