🌌 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: 121.5

Radius: 14.2

Gravity: 0.6 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 0.67 AU - 1.01 AU

Year: 513 Days

Day: 11.6 Hours

Environment

Temp: -177 °C

Axial Tilt: 60.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 54,113,103 km

• M1: 188,344 km (0.07 R)
• M2: 669,151 km (0.074 R)
• M3: 1,242,410 km (0.108 R)
• M4: 2,486,017 km (0.076 R)
• M5: 3,625,355 km (0.104 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 558.9

Radius: 11.6

Gravity: 4.15 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 1.46 AU - 1.56 AU

Year: 1237 Days

Day: 10.2 Hours

Environment

Temp: -198 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 54,113,103 km

• M1: 145,559 km (0.079 R)
• M2: 631,303 km (0.065 R)
• M3: 998,865 km (0.095 R)
• M4: 1,617,602 km (0.1 R)
• M5: 2,082,402 km (0.063 R)
• M6: 2,445,028 km (0.094 R)
• M7: 3,035,490 km (0.118 R)
• M8: 5,434,292 km (0.062 R)
• M9: 7,599,721 km (0.078 R)
• M10: 8,308,067 km (0.074 R)
• M11: 10,860,506 km (0.103 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 730.1

Radius: 11.9

Gravity: 5.16 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 1.26 AU - 1.94 AU

Year: 1350 Days

Day: 11.7 Hours

Environment

Temp: -201 °C

Axial Tilt: 5.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 54,113,103 km

• M1: 148,551 km (0.039 R)
• M2: 648,507 km (0.046 R)
• M3: 1,064,838 km (0.111 R)
• M4: 2,209,411 km (0.044 R)
• M5: 2,830,541 km (0.075 R)
• M6: 4,205,346 km (0.078 R)
• M7: 7,195,209 km (0.047 R)
• M8: 8,447,343 km (0.108 R)
• M9: 8,885,515 km (0.043 R)
• M10: 10,161,585 km (0.109 R)
• M11: 12,541,837 km (0.067 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 113.6

Radius: 10.8

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 4.88 AU - 5.46 AU

Year: 7839 Days

Day: 11.6 Hours

Environment

Temp: -214 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 54,113,103 km

• M1: 136,583 km (0.118 R)
• M2: 548,426 km (0.115 R)
• M3: 2,286,454 km (0.108 R)
• M4: 2,866,445 km (0.069 R)
• M5: 3,227,574 km (0.065 R)
• M6: 4,454,127 km (0.11 R)
• M7: 7,509,065 km (0.107 R)
• M8: 15,717,799 km (0.116 R)
• M9: 16,142,807 km (0.116 R)
• M10: 20,761,492 km (0.085 R)
• M11: 21,338,042 km (0.079 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 652.7

Radius: 5.1

Gravity: 25.09 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 6.08 AU - 8.78 AU

Year: 13506 Days

Day: 17.7 Hours

Environment

Temp: -239 °C

Axial Tilt: 22.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 54,113,103 km

• M1: 64,626 km (0.056 R)
• M2: 273,615 km (0.118 R)
• M3: 439,818 km (0.118 R)
• M4: 611,855 km (0.109 R)
• M5: 1,438,533 km (0.093 R)
• M6: 2,447,870 km (0.074 R)
• M7: 2,885,743 km (0.06 R)
• M8: 3,916,023 km (0.066 R)
• M9: 4,801,942 km (0.099 R)
• M10: 5,450,299 km (0.105 R)
• M11: 8,878,634 km (0.1 R)
• M12: 14,943,032 km (0.077 R)
• M13: 17,454,930 km (0.112 R)
• M14: 18,404,876 km (0.101 R)
• M15: 21,105,567 km (0.066 R)
• M16: 27,067,790 km (0.087 R)
• M17: 38,893,651 km (0.074 R)
• M18: 39,830,882 km (0.102 R)
• M19: 42,732,931 km (0.037 R)
• M20: 52,117,056 km (0.088 R)
• M21: 52,440,636 km (0.106 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 474.3

Radius: 3

Gravity: 52.7 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 6.66 AU - 8.86 AU

Year: 14415 Days

Day: 15.3 Hours

Environment

Temp: -229 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 54,113,103 km

• M1: 37,699 km (0.106 R)
• M2: 182,509 km (0.052 R)
• M3: 636,988 km (0.057 R)
• M4: 832,512 km (0.09 R)
• M5: 1,199,177 km (0.112 R)
• M6: 1,329,027 km (0.073 R)
• M7: 2,016,131 km (0.044 R)
• M8: 2,602,554 km (0.046 R)
• M9: 3,123,304 km (0.076 R)
• M10: 3,294,594 km (0.094 R)
• M11: 3,737,104 km (0.105 R)
• M12: 5,404,522 km (0.11 R)
• M13: 5,759,817 km (0.116 R)
• M14: 5,980,324 km (0.102 R)
• M15: 7,168,431 km (0.057 R)
• M16: 8,936,378 km (0.062 R)
• M17: 9,432,445 km (0.08 R)
• M18: 10,425,326 km (0.075 R)
• M19: 11,428,081 km (0.111 R)
• M20: 17,494,573 km (0.044 R)
• M21: 20,987,384 km (0.032 R)
• M22: 22,307,436 km (0.084 R)
• M23: 27,310,886 km (0.082 R)
• M24: 34,552,620 km (0.106 R)
• M25: 35,035,971 km (0.114 R)
• M26: 37,266,625 km (0.077 R)
• M27: 38,675,388 km (0.107 R)
• M28: 40,787,261 km (0.12 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: 264 - 18,454 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit