🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.47 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 814

Radius: 11.9

Gravity: 5.75 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 0.79 AU - 1.07 AU

Year: 579 Days

Day: 8.9 Hours

Environment

Temp: -156 °C

Axial Tilt: 20.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 55,707,647 km

• M1: 148,102 km (0.032 R)
• M2: 547,229 km (0.053 R)
• M3: 931,546 km (0.064 R)
• M4: 2,251,448 km (0.119 R)
• M5: 3,046,710 km (0.086 R)
• M6: 3,948,785 km (0.044 R)
• M7: 4,470,433 km (0.12 R)
• M8: 5,243,106 km (0.068 R)
• M9: 7,139,558 km (0.03 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 489.3

Radius: 10.9

Gravity: 4.12 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 1.33 AU - 1.45 AU

Year: 1058 Days

Day: 6.8 Hours

Environment

Temp: -180 °C

Axial Tilt: 6.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 55,707,647 km

• M1: 135,536 km (0.097 R)
• M2: 484,548 km (0.082 R)
• M3: 845,677 km (0.118 R)
• M4: 1,795,174 km (0.106 R)
• M5: 2,624,395 km (0.046 R)
• M6: 2,965,030 km (0.086 R)
• M7: 3,677,415 km (0.1 R)
• M8: 4,585,624 km (0.105 R)
• M9: 5,251,334 km (0.094 R)
• M10: 5,980,175 km (0.096 R)
• M11: 7,140,157 km (0.068 R)
• M12: 7,614,831 km (0.074 R)
• M13: 8,975,573 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 5.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 94.5

Radius: 9.2

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 5.1 AU - 5.96 AU

Year: 8397 Days

Day: 6.9 Hours

Environment

Temp: -229 °C

Axial Tilt: 2.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 55,707,647 km

• M1: 127,906 km (0.079 R)
• M2: 819,647 km (0.06 R)
• M3: 2,989,265 km (0.109 R)
• M4: 5,141,080 km (0.104 R)
• M5: 5,782,556 km (0.058 R)
• M6: 7,996,305 km (0.056 R)
• M7: 9,255,171 km (0.098 R)
• M8: 10,361,597 km (0.117 R)
• M9: 11,384,248 km (0.077 R)
• M10: 12,973,127 km (0.049 R)
• M11: 14,356,608 km (0.066 R)
• M12: 15,211,859 km (0.039 R)
• M13: 15,835,832 km (0.116 R)
• M14: 19,882,006 km (0.08 R)
• M15: 21,586,374 km (0.088 R)

Planet 4 - Ice Giant

Semi-Major Axis: 9.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 334.5

Radius: 7.5

Gravity: 5.95 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 6.94 AU - 11.4 AU

Year: 17930 Days

Day: 15.9 Hours

Environment

Temp: -229 °C

Axial Tilt: 23.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 55,707,647 km

• M1: 93,349 km (0.052 R)
• M2: 376,239 km (0.09 R)
• M3: 669,450 km (0.092 R)
• M4: 911,201 km (0.072 R)
• M5: 1,249,890 km (0.092 R)
• M6: 1,579,903 km (0.11 R)
• M7: 2,623,647 km (0.08 R)
• M8: 3,291,752 km (0.098 R)
• M9: 4,184,252 km (0.118 R)
• M10: 5,436,237 km (0.096 R)
• M11: 6,129,174 km (0.11 R)
• M12: 7,689,630 km (0.105 R)
• M13: 9,346,127 km (0.101 R)
• M14: 10,070,779 km (0.092 R)
• M15: 11,808,209 km (0.102 R)
• M16: 14,535,976 km (0.029 R)
• M17: 16,670,738 km (0.057 R)
• M18: 17,503,250 km (0.084 R)
• M19: 20,421,755 km (0.088 R)
• M20: 22,356,504 km (0.057 R)
• M21: 24,123,255 km (0.096 R)
• M22: 24,796,894 km (0.048 R)
• M23: 26,181,871 km (0.099 R)
• M24: 33,410,590 km (0.106 R)
• M25: 34,006,887 km (0.087 R)
• M26: 37,350,549 km (0.09 R)
• M27: 38,904,572 km (0.1 R)
• M28: 50,381,571 km (0.081 R)
• M29: 55,374,699 km (0.111 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 416 - 16,333 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit