🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 250.9

Radius: 14.8

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 0.81 AU - 0.87 AU

Year: 522 Days

Day: 13.1 Hours

Environment

Temp: -170 °C

Axial Tilt: 22.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 61,402,028 km

• M1: 184,155 km (0.065 R)
• M2: 773,870 km (0.107 R)
• M3: 1,266,196 km (0.063 R)
• M4: 2,771,001 km (0.039 R)
• M5: 3,366,700 km (0.112 R)
• M6: 3,937,865 km (0.09 R)
• M7: 4,493,770 km (0.099 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 149.3

Radius: 12

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 1.19 AU - 1.61 AU

Year: 1124 Days

Day: 13.7 Hours

Environment

Temp: -197 °C

Axial Tilt: 16.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 61,402,028 km

• M1: 149,299 km (0.082 R)
• M2: 591,959 km (0.1 R)
• M3: 1,035,816 km (0.075 R)
• M4: 1,722,021 km (0.102 R)
• M5: 2,133,266 km (0.108 R)
• M6: 2,735,696 km (0.092 R)
• M7: 3,424,146 km (0.119 R)
• M8: 3,810,108 km (0.091 R)
• M9: 4,239,604 km (0.08 R)
• M10: 5,431,749 km (0.04 R)
• M11: 6,124,537 km (0.096 R)
• M12: 6,521,420 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 268.3

Radius: 14

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 2.53 AU - 3.25 AU

Year: 3332 Days

Day: 12.6 Hours

Environment

Temp: -214 °C

Axial Tilt: 5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 61,402,028 km

• M1: 174,431 km (0.086 R)
• M2: 611,107 km (0.109 R)
• M3: 1,225,805 km (0.1 R)
• M4: 1,735,186 km (0.109 R)
• M5: 2,845,052 km (0.069 R)
• M6: 4,948,548 km (0.076 R)
• M7: 5,994,835 km (0.083 R)
• M8: 6,989,213 km (0.111 R)
• M9: 8,244,039 km (0.086 R)
• M10: 11,084,005 km (0.098 R)
• M11: 11,620,463 km (0.042 R)
• M12: 13,898,091 km (0.118 R)
• M13: 14,387,126 km (0.076 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 730.2

Radius: 5.2

Gravity: 27 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 6.87 AU - 8.21 AU

Year: 14043 Days

Day: 21.2 Hours

Environment

Temp: -224 °C

Axial Tilt: 15.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 61,402,028 km

• M1: 64,626 km (0.101 R)
• M2: 259,552 km (0.111 R)
• M3: 446,699 km (0.1 R)
• M4: 632,649 km (0.111 R)
• M5: 1,105,827 km (0.117 R)
• M6: 2,539,873 km (0.055 R)
• M7: 2,974,454 km (0.075 R)
• M8: 4,109,154 km (0.079 R)
• M9: 4,417,027 km (0.038 R)
• M10: 5,691,451 km (0.046 R)
• M11: 5,880,543 km (0.064 R)
• M12: 8,639,576 km (0.095 R)
• M13: 9,939,283 km (0.048 R)
• M14: 10,952,359 km (0.087 R)
• M15: 12,790,618 km (0.102 R)
• M16: 13,987,102 km (0.102 R)
• M17: 17,143,766 km (0.07 R)
• M18: 19,181,439 km (0.092 R)
• M19: 21,832,912 km (0.12 R)
• M20: 22,768,497 km (0.094 R)
• M21: 23,438,994 km (0.087 R)
• M22: 24,320,275 km (0.062 R)
• M23: 26,044,989 km (0.074 R)
• M24: 29,509,526 km (0.086 R)
• M25: 31,351,824 km (0.102 R)
• M26: 31,587,291 km (0.069 R)
• M27: 32,541,277 km (0.055 R)
• M28: 38,267,734 km (0.056 R)
• M29: 45,078,326 km (0.057 R)
• M30: 55,355,999 km (0.039 R)
• M31: 56,218,880 km (0.049 R)
• M32: 56,740,976 km (0.084 R)
• M33: 59,040,894 km (0.083 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 214 - 10,976 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit