🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.63

Radius: 1.22

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 0.46 AU - 0.56 AU

Year: 232 Days

Day: 31.8 Hours

Environment

Temp: -120 °C

Axial Tilt: 18.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 59,902,058 km

• M1: 268,977 km (0.036 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 666.5

Radius: 9.2

Gravity: 7.87 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 0.55 AU - 0.85 AU

Year: 372 Days

Day: 14.5 Hours

Environment

Temp: -140 °C

Axial Tilt: 24.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 59,902,058 km

• M1: 114,442 km (0.067 R)
• M2: 405,560 km (0.076 R)
• M3: 709,244 km (0.074 R)
• M4: 1,000,361 km (0.074 R)
• M5: 1,397,843 km (0.05 R)
• M6: 2,545,258 km (0.043 R)
• M7: 3,387,644 km (0.084 R)
• M8: 3,980,949 km (0.083 R)
• M9: 4,350,306 km (0.041 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 181.1

Radius: 13.2

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 0.78 AU - 0.88 AU

Year: 481 Days

Day: 7.9 Hours

Environment

Temp: -145 °C

Axial Tilt: 3.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 59,902,058 km

• M1: 164,408 km (0.089 R)
• M2: 603,927 km (0.067 R)
• M3: 1,246,150 km (0.116 R)
• M4: 1,877,752 km (0.109 R)
• M5: 2,404,187 km (0.077 R)
• M6: 3,000,335 km (0.073 R)
• M7: 3,726,782 km (0.118 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 92.6

Radius: 12.5

Gravity: 0.59 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 1.3 AU - 2.12 AU

Year: 1422 Days

Day: 5 Hours

Environment

Temp: -174 °C

Axial Tilt: 21.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 59,902,058 km

• M1: 157,676 km (0.052 R)
• M2: 888,462 km (0.093 R)
• M3: 1,292,675 km (0.117 R)
• M4: 1,707,959 km (0.081 R)
• M5: 2,400,747 km (0.095 R)
• M6: 3,063,016 km (0.063 R)
• M7: 3,481,890 km (0.091 R)
• M8: 3,925,448 km (0.09 R)
• M9: 4,333,551 km (0.039 R)
• M10: 5,574,914 km (0.106 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 415.2

Radius: 4

Gravity: 25.95 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 5.53 AU - 9.21 AU

Year: 12721 Days

Day: 17.5 Hours

Environment

Temp: -216 °C

Axial Tilt: 8.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 59,902,058 km

• M1: 49,816 km (0.088 R)
• M2: 194,776 km (0.101 R)
• M3: 453,581 km (0.092 R)
• M4: 802,144 km (0.09 R)
• M5: 1,105,379 km (0.087 R)
• M6: 1,565,243 km (0.101 R)
• M7: 2,382,346 km (0.103 R)
• M8: 2,619,309 km (0.091 R)
• M9: 2,785,961 km (0.06 R)
• M10: 3,140,508 km (0.031 R)
• M11: 7,836,385 km (0.104 R)
• M12: 8,494,765 km (0.054 R)
• M13: 8,768,081 km (0.048 R)
• M14: 8,953,582 km (0.053 R)
• M15: 9,870,767 km (0.068 R)
• M16: 11,498,691 km (0.05 R)
• M17: 11,665,044 km (0.119 R)
• M18: 12,289,166 km (0.092 R)
• M19: 13,055,257 km (0.099 R)
• M20: 14,812,134 km (0.117 R)
• M21: 15,611,136 km (0.102 R)
• M22: 18,105,082 km (0.098 R)
• M23: 20,201,397 km (0.113 R)
• M24: 20,852,298 km (0.108 R)
• M25: 21,266,085 km (0.073 R)
• M26: 21,769,931 km (0.097 R)
• M27: 24,591,945 km (0.03 R)
• M28: 25,804,885 km (0.069 R)
• M29: 27,450,461 km (0.098 R)
• M30: 29,786,282 km (0.047 R)
• M31: 30,416,688 km (0.084 R)
• M32: 32,251,207 km (0.073 R)
• M33: 37,582,276 km (0.098 R)
• M34: 37,826,420 km (0.111 R)
• M35: 38,565,583 km (0.059 R)
• M36: 38,938,680 km (0.043 R)
• M37: 46,633,995 km (0.105 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 641.1

Radius: 3.3

Gravity: 58.87 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 6.44 AU - 9.6 AU

Year: 14441 Days

Day: 16.1 Hours

Environment

Temp: -234 °C

Axial Tilt: 29.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 59,902,058 km

• M1: 41,139 km (0.1 R)
• M2: 268,229 km (0.113 R)
• M3: 401,969 km (0.071 R)
• M4: 635,941 km (0.116 R)
• M5: 1,142,479 km (0.054 R)
• M6: 3,299,830 km (0.032 R)
• M7: 3,591,994 km (0.117 R)
• M8: 4,106,611 km (0.069 R)
• M9: 5,036,661 km (0.062 R)
• M10: 7,750,366 km (0.04 R)
• M11: 9,624,977 km (0.096 R)
• M12: 12,397,924 km (0.037 R)
• M13: 18,287,891 km (0.092 R)
• M14: 21,285,383 km (0.061 R)
• M15: 21,647,560 km (0.055 R)
• M16: 23,809,848 km (0.101 R)
• M17: 26,840,700 km (0.107 R)
• M18: 29,892,347 km (0.081 R)
• M19: 30,005,443 km (0.044 R)
• M20: 32,446,432 km (0.073 R)
• M21: 33,776,357 km (0.08 R)
• M22: 36,286,609 km (0.114 R)
• M23: 42,099,085 km (0.062 R)
• M24: 46,806,331 km (0.073 R)
• M25: 48,190,710 km (0.083 R)
• M26: 49,760,590 km (0.113 R)
• M27: 53,167,981 km (0.078 R)
• M28: 55,183,064 km (0.083 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 203 - 12,558 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit