🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 144.9

Radius: 8.2

Gravity: 2.15 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 0.69 AU - 1.03 AU

Year: 561 Days

Day: 8.1 Hours

Environment

Temp: -175 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 80,924,153 km

• M1: 102,026 km (0.039 R)
• M2: 402,269 km (0.098 R)
• M3: 818,749 km (0.104 R)
• M4: 1,079,349 km (0.116 R)
• M5: 1,495,979 km (0.108 R)
• M6: 2,046,349 km (0.11 R)
• M7: 2,892,924 km (0.069 R)
• M8: 3,850,051 km (0.044 R)
• M9: 4,122,469 km (0.104 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 952.3

Radius: 14.2

Gravity: 4.72 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 1.06 AU - 1.34 AU

Year: 924 Days

Day: 9.2 Hours

Environment

Temp: -193 °C

Axial Tilt: 110.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 80,924,153 km

• M1: 177,124 km (0.108 R)
• M2: 800,049 km (0.084 R)
• M3: 1,251,237 km (0.043 R)
• M4: 2,005,659 km (0.089 R)
• M5: 3,574,043 km (0.103 R)
• M6: 4,361,376 km (0.088 R)
• M7: 5,126,121 km (0.081 R)
• M8: 5,725,859 km (0.118 R)
• M9: 6,621,202 km (0.057 R)
• M10: 7,138,960 km (0.111 R)
• M11: 8,390,496 km (0.103 R)
• M12: 10,208,708 km (0.031 R)
• M13: 10,741,576 km (0.098 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 34.2

Radius: 14.1

Gravity: 0.17 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 1.4 AU - 1.7 AU

Year: 1356 Days

Day: 13.3 Hours

Environment

Temp: -197 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 80,924,153 km

• M1: 200,611 km (0.089 R)
• M2: 652,845 km (0.109 R)
• M3: 3,017,688 km (0.118 R)
• M4: 4,019,994 km (0.038 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 628.7

Radius: 12

Gravity: 4.37 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 1.59 AU - 2.35 AU

Year: 1944 Days

Day: 9.9 Hours

Environment

Temp: -206 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 80,924,153 km

• M1: 149,448 km (0.085 R)
• M2: 584,180 km (0.108 R)
• M3: 998,715 km (0.091 R)
• M4: 1,550,582 km (0.108 R)
• M5: 2,004,163 km (0.105 R)
• M6: 2,956,204 km (0.089 R)
• M7: 3,577,334 km (0.106 R)
• M8: 5,666,618 km (0.119 R)
• M9: 6,171,511 km (0.056 R)
• M10: 6,628,083 km (0.107 R)
• M11: 7,134,322 km (0.086 R)
• M12: 8,134,983 km (0.104 R)
• M13: 8,905,262 km (0.1 R)
• M14: 9,357,496 km (0.065 R)
• M15: 10,989,160 km (0.062 R)
• M16: 11,397,114 km (0.12 R)
• M17: 13,048,375 km (0.056 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 99.3

Radius: 12.7

Gravity: 0.62 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 4.69 AU - 4.73 AU

Year: 7185 Days

Day: 7 Hours

Environment

Temp: -220 °C

Axial Tilt: 28.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 80,924,153 km

• M1: 157,975 km (0.079 R)
• M2: 607,367 km (0.117 R)
• M3: 1,100,891 km (0.068 R)
• M4: 1,674,898 km (0.053 R)
• M5: 2,603,452 km (0.08 R)
• M6: 3,158,609 km (0.104 R)
• M7: 3,772,709 km (0.1 R)
• M8: 4,684,657 km (0.11 R)
• M9: 5,486,053 km (0.084 R)
• M10: 6,158,795 km (0.108 R)
• M11: 6,973,505 km (0.051 R)
• M12: 7,986,582 km (0.115 R)
• M13: 8,886,562 km (0.04 R)
• M14: 10,612,922 km (0.084 R)
• M15: 11,208,321 km (0.091 R)
• M16: 13,630,460 km (0.029 R)
• M17: 17,341,236 km (0.071 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.07 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 894.1

Radius: 5.5

Gravity: 29.56 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 7.64 AU - 10.5 AU

Year: 19201 Days

Day: 19.7 Hours

Environment

Temp: -225 °C

Axial Tilt: 15 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 80,924,153 km

• M1: 68,366 km (0.026 R)
• M2: 295,007 km (0.107 R)
• M3: 640,728 km (0.064 R)
• M4: 1,489,546 km (0.102 R)
• M5: 1,940,135 km (0.038 R)
• M6: 2,340,010 km (0.047 R)
• M7: 3,840,776 km (0.047 R)
• M8: 4,366,463 km (0.108 R)
• M9: 7,145,542 km (0.03 R)
• M10: 8,041,634 km (0.093 R)
• M11: 8,570,761 km (0.104 R)
• M12: 11,768,416 km (0.074 R)
• M13: 14,267,897 km (0.109 R)
• M14: 14,574,423 km (0.073 R)
• M15: 17,100,233 km (0.087 R)
• M16: 19,060,265 km (0.113 R)
• M17: 19,714,007 km (0.072 R)
• M18: 23,526,060 km (0.054 R)
• M19: 24,169,630 km (0.096 R)
• M20: 25,045,975 km (0.036 R)
• M21: 27,446,871 km (0.111 R)
• M22: 41,156,768 km (0.099 R)
• M23: 48,163,334 km (0.069 R)
• M24: 50,075,344 km (0.099 R)
• M25: 52,218,184 km (0.114 R)
• M26: 60,998,981 km (0.12 R)
• M27: 63,441,315 km (0.05 R)
• M28: 66,584,965 km (0.098 R)
• M29: 71,158,172 km (0.1 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: 432 - 12,090 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit