🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.62 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 738.5

Radius: 13.8

Gravity: 3.88 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 0.98 AU - 1.5 AU

Year: 953 Days

Day: 8.8 Hours

Environment

Temp: -192 °C

Axial Tilt: 14.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 77,391,184 km

• M1: 171,589 km (0.045 R)
• M2: 607,667 km (0.115 R)
• M3: 1,501,364 km (0.11 R)
• M4: 1,990,400 km (0.104 R)
• M5: 2,669,125 km (0.059 R)
• M6: 3,645,102 km (0.055 R)
• M7: 4,357,936 km (0.096 R)
• M8: 4,993,727 km (0.11 R)
• M9: 5,670,657 km (0.034 R)
• M10: 6,950,167 km (0.073 R)
• M11: 7,720,447 km (0.119 R)
• M12: 8,178,366 km (0.114 R)
• M13: 9,575,461 km (0.068 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 632.8

Radius: 8.7

Gravity: 8.36 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 1.84 AU - 2.2 AU

Year: 1982 Days

Day: 15 Hours

Environment

Temp: -196 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 77,391,184 km

• M1: 108,159 km (0.085 R)
• M2: 778,059 km (0.095 R)
• M3: 1,050,177 km (0.089 R)
• M4: 1,506,301 km (0.082 R)
• M5: 2,113,818 km (0.091 R)
• M6: 4,317,395 km (0.095 R)
• M7: 5,107,421 km (0.057 R)
• M8: 7,760,838 km (0.09 R)
• M9: 8,545,778 km (0.099 R)
• M10: 8,829,416 km (0.108 R)
• M11: 9,820,801 km (0.086 R)
• M12: 12,300,236 km (0.119 R)
• M13: 13,834,512 km (0.086 R)
• M14: 15,215,151 km (0.061 R)

Planet 3 - Ice Giant

Semi-Major Axis: 6.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 138.8

Radius: 6.4

Gravity: 3.39 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 5.81 AU - 6.89 AU

Year: 11045 Days

Day: 21 Hours

Environment

Temp: -233 °C

Axial Tilt: 45.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 77,391,184 km

• M1: 96,191 km (0.101 R)
• M2: 353,500 km (0.071 R)
• M3: 582,983 km (0.078 R)
• M4: 857,645 km (0.054 R)
• M5: 1,818,512 km (0.06 R)
• M6: 2,286,603 km (0.101 R)
• M7: 3,740,695 km (0.08 R)
• M8: 4,963,209 km (0.068 R)
• M9: 5,724,063 km (0.099 R)
• M10: 6,148,024 km (0.077 R)
• M11: 6,495,689 km (0.032 R)
• M12: 7,761,736 km (0.036 R)
• M13: 11,278,183 km (0.083 R)
• M14: 11,607,897 km (0.095 R)
• M15: 12,385,956 km (0.117 R)
• M16: 12,636,083 km (0.095 R)
• M17: 12,838,639 km (0.101 R)
• M18: 17,546,783 km (0.108 R)
• M19: 21,159,572 km (0.076 R)

Planet 4 - Ice Giant

Semi-Major Axis: 9.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 819.1

Radius: 7.1

Gravity: 16.25 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 7.38 AU - 10.7 AU

Year: 18761 Days

Day: 17.4 Hours

Environment

Temp: -237 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 77,391,184 km

• M1: 98,585 km (0.088 R)
• M2: 1,156,990 km (0.089 R)
• M3: 1,803,552 km (0.053 R)
• M4: 2,458,791 km (0.072 R)
• M5: 3,635,228 km (0.025 R)
• M6: 3,878,325 km (0.045 R)
• M7: 9,407,462 km (0.069 R)
• M8: 9,693,344 km (0.111 R)
• M9: 16,953,179 km (0.057 R)
• M10: 37,625,660 km (0.103 R)
• M11: 39,223,814 km (0.099 R)
• M12: 41,935,724 km (0.116 R)
• M13: 42,399,477 km (0.07 R)
• M14: 43,653,107 km (0.108 R)
• M15: 48,066,394 km (0.1 R)
• M16: 56,442,080 km (0.093 R)
• M17: 59,501,356 km (0.104 R)
• M18: 64,500,020 km (0.101 R)
• M19: 65,324,902 km (0.087 R)
• M20: 71,077,838 km (0.07 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 203 - 11,991 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit