🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 525.9

Radius: 14.6

Gravity: 2.47 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 0.5 AU - 0.7 AU

Year: 310 Days

Day: 12.8 Hours

Environment

Temp: -147 °C

Axial Tilt: 64 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 34,517,811 km

• M1: 181,612 km (0.097 R)
• M2: 657,782 km (0.072 R)
• M3: 1,358,199 km (0.118 R)
• M4: 1,904,082 km (0.105 R)
• M5: 2,460,885 km (0.109 R)
• M6: 3,047,757 km (0.105 R)
• M7: 3,508,070 km (0.105 R)
• M8: 4,074,597 km (0.048 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 277.2

Radius: 14.7

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 1 AU - 1.12 AU

Year: 728 Days

Day: 6.6 Hours

Environment

Temp: -183 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 34,517,811 km

• M1: 183,407 km (0.1 R)
• M2: 747,690 km (0.079 R)
• M3: 1,224,758 km (0.098 R)
• M4: 1,822,252 km (0.092 R)
• M5: 2,564,108 km (0.112 R)
• M6: 3,253,454 km (0.102 R)
• M7: 4,467,890 km (0.095 R)
• M8: 5,340,943 km (0.083 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 498.2

Radius: 11.2

Gravity: 3.97 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 3.61 AU - 4.97 AU

Year: 5925 Days

Day: 13.3 Hours

Environment

Temp: -219 °C

Axial Tilt: 15.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 34,517,811 km

• M1: 139,276 km (0.117 R)
• M2: 542,292 km (0.088 R)
• M3: 1,015,171 km (0.038 R)
• M4: 1,528,142 km (0.084 R)
• M5: 2,613,774 km (0.102 R)
• M6: 3,282,028 km (0.119 R)
• M7: 4,225,990 km (0.096 R)
• M8: 6,199,485 km (0.113 R)
• M9: 6,875,817 km (0.104 R)
• M10: 8,224,293 km (0.115 R)
• M11: 9,783,850 km (0.1 R)
• M12: 11,065,306 km (0.046 R)
• M13: 11,770,510 km (0.089 R)
• M14: 14,670,614 km (0.117 R)
• M15: 15,637,765 km (0.105 R)
• M16: 16,707,689 km (0.109 R)
• M17: 17,260,602 km (0.053 R)
• M18: 17,889,213 km (0.091 R)
• M19: 19,595,227 km (0.076 R)
• M20: 20,210,373 km (0.083 R)
• M21: 20,979,605 km (0.12 R)
• M22: 22,576,413 km (0.102 R)
• M23: 23,025,655 km (0.064 R)
• M24: 25,442,409 km (0.027 R)
• M25: 26,339,248 km (0.068 R)
• M26: 27,595,870 km (0.051 R)
• M27: 29,599,883 km (0.113 R)

Planet 4 - Ice Giant

Semi-Major Axis: 8.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 111.1

Radius: 3.2

Gravity: 10.85 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 7.89 AU - 8.17 AU

Year: 15174 Days

Day: 15.3 Hours

Environment

Temp: -228 °C

Axial Tilt: 7.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 34,517,811 km

• M1: 39,793 km (0.041 R)
• M2: 181,013 km (0.094 R)
• M3: 377,735 km (0.057 R)
• M4: 540,647 km (0.048 R)
• M5: 1,223,411 km (0.065 R)
• M6: 3,330,497 km (0.073 R)
• M7: 4,972,035 km (0.103 R)
• M8: 5,807,389 km (0.109 R)
• M9: 6,732,203 km (0.066 R)
• M10: 8,497,757 km (0.095 R)
• M11: 12,536,900 km (0.087 R)
• M12: 12,855,095 km (0.076 R)
• M13: 14,701,880 km (0.118 R)
• M14: 16,338,631 km (0.061 R)
• M15: 17,891,905 km (0.101 R)
• M16: 18,159,985 km (0.079 R)
• M17: 22,743,663 km (0.079 R)
• M18: 33,595,194 km (0.07 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 358 - 19,818 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit