🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 440.3

Radius: 14.2

Gravity: 2.18 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 0.6 AU - 0.84 AU

Year: 422 Days

Day: 13.2 Hours

Environment

Temp: -155 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 26,941,988 km

• M1: 176,675 km (0.109 R)
• M2: 626,067 km (0.035 R)
• M3: 1,195,137 km (0.118 R)
• M4: 1,690,306 km (0.111 R)
• M5: 2,200,136 km (0.086 R)
• M6: 3,273,501 km (0.109 R)
• M7: 4,065,771 km (0.099 R)
• M8: 4,508,132 km (0.095 R)
• M9: 4,982,806 km (0.088 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 709.6

Radius: 14.6

Gravity: 3.33 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 3.32 AU - 3.78 AU

Year: 4617 Days

Day: 6.2 Hours

Environment

Temp: -211 °C

Axial Tilt: 3.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 26,941,988 km

• M1: 181,612 km (0.04 R)
• M2: 869,313 km (0.095 R)
• M3: 1,491,491 km (0.104 R)
• M4: 1,996,683 km (0.104 R)
• M5: 2,805,110 km (0.108 R)
• M6: 3,673,525 km (0.117 R)
• M7: 4,395,485 km (0.106 R)
• M8: 4,867,765 km (0.071 R)
• M9: 5,683,522 km (0.097 R)
• M10: 18,557,765 km (0.108 R)
• M11: 25,733,078 km (0.109 R)
• M12: 27,528,402 km (0.113 R)

Planet 3 - Ice Giant

Semi-Major Axis: 6.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 87.3

Radius: 5.9

Gravity: 2.51 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 5.64 AU - 7.36 AU

Year: 11439 Days

Day: 23.9 Hours

Environment

Temp: -235 °C

Axial Tilt: 10 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 26,941,988 km

• M1: 82,728 km (0.097 R)
• M2: 419,173 km (0.119 R)
• M3: 1,460,823 km (0.07 R)
• M4: 2,050,538 km (0.067 R)
• M5: 2,284,060 km (0.119 R)
• M6: 2,567,997 km (0.063 R)
• M7: 3,019,633 km (0.109 R)
• M8: 4,474,622 km (0.101 R)
• M9: 4,894,693 km (0.115 R)
• M10: 6,283,260 km (0.061 R)
• M11: 7,534,646 km (0.089 R)
• M12: 8,273,211 km (0.083 R)
• M13: 11,991,317 km (0.095 R)
• M14: 12,946,948 km (0.103 R)
• M15: 17,820,098 km (0.061 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 88

Radius: 6.7

Gravity: 1.96 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 6.49 AU - 6.75 AU

Year: 11757 Days

Day: 17.2 Hours

Environment

Temp: -228 °C

Axial Tilt: 21.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 26,941,988 km

• M1: 83,326 km (0.1 R)
• M2: 612,005 km (0.092 R)
• M3: 1,254,677 km (0.09 R)
• M4: 1,828,236 km (0.093 R)
• M5: 2,309,492 km (0.074 R)
• M6: 2,663,740 km (0.068 R)
• M7: 3,440,601 km (0.118 R)
• M8: 4,219,258 km (0.09 R)
• M9: 7,459,399 km (0.111 R)
• M10: 10,488,905 km (0.096 R)
• M11: 12,107,853 km (0.09 R)
• M12: 14,946,622 km (0.108 R)
• M13: 16,519,794 km (0.077 R)
• M14: 21,687,203 km (0.119 R)
• M15: 23,403,390 km (0.117 R)
• M16: 26,302,597 km (0.119 R)
• M17: 26,700,976 km (0.084 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: 292 - 15,282 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit