🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 965.6

Radius: 12.4

Gravity: 6.28 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 0.76 AU - 1 AU

Year: 580 Days

Day: 6.1 Hours

Environment

Temp: -176 °C

Axial Tilt: 44.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 51,332,862 km

• M1: 154,235 km (0.112 R)
• M2: 836,551 km (0.116 R)
• M3: 1,384,528 km (0.072 R)
• M4: 1,810,134 km (0.09 R)
• M5: 2,294,233 km (0.12 R)
• M6: 2,795,236 km (0.061 R)
• M7: 3,343,064 km (0.083 R)
• M8: 3,803,675 km (0.116 R)
• M9: 4,704,853 km (0.068 R)
• M10: 5,339,298 km (0.054 R)
• M11: 6,049,738 km (0.087 R)
• M12: 7,682,299 km (0.108 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 652.1

Radius: 14.8

Gravity: 2.98 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 2.16 AU - 2.48 AU

Year: 2484 Days

Day: 10.5 Hours

Environment

Temp: -204 °C

Axial Tilt: 0.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 51,332,862 km

• M1: 184,005 km (0.102 R)
• M2: 692,189 km (0.057 R)
• M3: 1,364,781 km (0.087 R)
• M4: 1,887,626 km (0.034 R)
• M5: 2,703,982 km (0.048 R)
• M6: 3,270,209 km (0.079 R)
• M7: 4,392,044 km (0.114 R)
• M8: 5,391,956 km (0.069 R)
• M9: 6,165,826 km (0.046 R)
• M10: 6,871,030 km (0.114 R)
• M11: 7,390,284 km (0.116 R)
• M12: 8,672,189 km (0.094 R)
• M13: 9,142,375 km (0.034 R)
• M14: 10,543,060 km (0.094 R)
• M15: 11,877,323 km (0.083 R)
• M16: 13,588,124 km (0.11 R)
• M17: 15,901,506 km (0.081 R)
• M18: 16,813,903 km (0.101 R)
• M19: 18,193,195 km (0.082 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 438.2

Radius: 8.5

Gravity: 6.07 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 2.39 AU - 2.45 AU

Year: 2646 Days

Day: 6.8 Hours

Environment

Temp: -213 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 51,332,862 km

• M1: 106,962 km (0.067 R)
• M2: 435,031 km (0.085 R)
• M3: 1,056,161 km (0.087 R)
• M4: 1,536,969 km (0.113 R)
• M5: 2,157,650 km (0.119 R)
• M6: 2,430,068 km (0.114 R)
• M7: 2,844,304 km (0.047 R)
• M8: 3,189,576 km (0.07 R)
• M9: 3,615,781 km (0.107 R)
• M10: 4,118,280 km (0.072 R)
• M11: 4,519,800 km (0.11 R)
• M12: 5,125,971 km (0.102 R)
• M13: 5,639,241 km (0.087 R)
• M14: 6,659,948 km (0.084 R)
• M15: 7,072,987 km (0.078 R)
• M16: 8,320,783 km (0.107 R)
• M17: 9,467,750 km (0.103 R)
• M18: 10,276,925 km (0.027 R)
• M19: 12,315,794 km (0.077 R)
• M20: 12,980,906 km (0.111 R)
• M21: 13,495,374 km (0.092 R)
• M22: 14,702,329 km (0.088 R)
• M23: 15,786,166 km (0.089 R)

Planet 4 - Ice Giant

Semi-Major Axis: 8.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 311.1

Radius: 5.9

Gravity: 8.94 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 7.17 AU - 9.19 AU

Year: 16445 Days

Day: 19.5 Hours

Environment

Temp: -224 °C

Axial Tilt: 9.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 51,332,862 km

• M1: 73,303 km (0.117 R)
• M2: 465,249 km (0.065 R)
• M3: 1,752,988 km (0.074 R)
• M4: 2,141,942 km (0.053 R)
• M5: 2,690,966 km (0.08 R)
• M6: 3,137,516 km (0.071 R)
• M7: 4,036,151 km (0.103 R)
• M8: 5,194,038 km (0.087 R)
• M9: 6,519,326 km (0.117 R)
• M10: 8,144,856 km (0.102 R)
• M11: 9,818,258 km (0.103 R)
• M12: 10,283,058 km (0.093 R)
• M13: 11,090,139 km (0.091 R)
• M14: 12,113,538 km (0.087 R)
• M15: 12,890,699 km (0.103 R)
• M16: 14,346,286 km (0.081 R)
• M17: 17,505,045 km (0.089 R)
• M18: 18,497,328 km (0.061 R)
• M19: 20,593,344 km (0.05 R)
• M20: 25,250,475 km (0.113 R)
• M21: 26,813,474 km (0.071 R)
• M22: 31,664,334 km (0.057 R)
• M23: 39,470,201 km (0.073 R)
• M24: 39,858,557 km (0.045 R)
• M25: 40,906,640 km (0.066 R)
• M26: 42,107,462 km (0.097 R)
• M27: 43,057,558 km (0.066 R)
• M28: 48,911,622 km (0.119 R)
• M29: 49,209,920 km (0.048 R)
• M30: 49,659,911 km (0.048 R)
• M31: 50,720,260 km (0.114 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 219 - 12,215 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit