🌌 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 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 59.6

Radius: 12.6

Gravity: 0.38 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 0.49 AU - 0.53 AU

Year: 247 Days

Day: 8.1 Hours

Environment

Temp: -141 °C

Axial Tilt: 45.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 77,768,870 km

• M1: 161,566 km (0.053 R)
• M2: 595,998 km (0.062 R)
• M3: 1,142,030 km (0.088 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 307.5

Radius: 11.4

Gravity: 2.37 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 0.62 AU - 0.68 AU

Year: 355 Days

Day: 11.4 Hours

Environment

Temp: -162 °C

Axial Tilt: 18 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 77,768,870 km

• M1: 146,756 km (0.106 R)
• M2: 594,652 km (0.081 R)
• M3: 1,297,612 km (0.079 R)
• M4: 2,626,490 km (0.117 R)
• M5: 3,024,719 km (0.11 R)
• M6: 3,579,727 km (0.088 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 338.3

Radius: 13.4

Gravity: 1.88 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 1.73 AU - 1.75 AU

Year: 1557 Days

Day: 9.9 Hours

Environment

Temp: -196 °C

Axial Tilt: 48.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 77,768,870 km

• M1: 171,439 km (0.115 R)
• M2: 617,839 km (0.103 R)
• M3: 1,557,314 km (0.12 R)
• M4: 2,777,584 km (0.072 R)
• M5: 3,299,231 km (0.098 R)
• M6: 4,196,819 km (0.096 R)
• M7: 4,721,907 km (0.053 R)
• M8: 6,658,302 km (0.091 R)
• M9: 7,326,107 km (0.105 R)
• M10: 10,236,234 km (0.104 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 743.1

Radius: 11.7

Gravity: 5.43 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 1.77 AU - 2.49 AU

Year: 2108 Days

Day: 8.2 Hours

Environment

Temp: -210 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 77,768,870 km

• M1: 146,008 km (0.075 R)
• M2: 761,603 km (0.115 R)
• M3: 1,195,736 km (0.097 R)
• M4: 1,743,264 km (0.075 R)
• M5: 2,168,571 km (0.117 R)
• M6: 2,578,319 km (0.059 R)
• M7: 3,103,258 km (0.052 R)
• M8: 3,469,175 km (0.066 R)
• M9: 4,015,057 km (0.079 R)
• M10: 4,659,824 km (0.108 R)
• M11: 5,279,608 km (0.062 R)
• M12: 6,208,012 km (0.086 R)
• M13: 7,861,069 km (0.063 R)
• M14: 11,976,357 km (0.057 R)
• M15: 12,425,150 km (0.069 R)
• M16: 13,313,014 km (0.079 R)
• M17: 14,017,470 km (0.074 R)
• M18: 14,470,153 km (0.051 R)
• M19: 15,215,001 km (0.119 R)
• M20: 15,645,095 km (0.048 R)
• M21: 16,984,295 km (0.106 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 800.6

Radius: 3.6

Gravity: 61.77 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 4.75 AU - 7.71 AU

Year: 10547 Days

Day: 19.7 Hours

Environment

Temp: -236 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 77,768,870 km

• M1: 54,902 km (0.061 R)
• M2: 179,218 km (0.119 R)
• M3: 301,589 km (0.112 R)
• M4: 586,274 km (0.056 R)
• M5: 804,089 km (0.112 R)
• M6: 1,242,111 km (0.101 R)
• M7: 1,441,974 km (0.035 R)
• M8: 2,027,500 km (0.103 R)
• M9: 2,713,855 km (0.05 R)
• M10: 2,935,559 km (0.075 R)
• M11: 4,057,244 km (0.058 R)
• M12: 4,288,223 km (0.077 R)
• M13: 4,776,211 km (0.113 R)
• M14: 4,903,818 km (0.105 R)
• M15: 5,753,385 km (0.083 R)
• M16: 6,422,985 km (0.113 R)
• M17: 6,978,441 km (0.102 R)
• M18: 7,267,913 km (0.088 R)
• M19: 8,552,809 km (0.079 R)
• M20: 11,734,906 km (0.071 R)
• M21: 12,203,147 km (0.092 R)
• M22: 13,239,561 km (0.073 R)
• M23: 15,277,982 km (0.072 R)
• M24: 15,765,671 km (0.089 R)
• M25: 17,067,023 km (0.099 R)
• M26: 21,311,862 km (0.102 R)
• M27: 28,970,376 km (0.087 R)
• M28: 37,517,949 km (0.056 R)
• M29: 48,491,701 km (0.116 R)
• M30: 48,940,195 km (0.071 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.89 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 967.3

Radius: 6.9

Gravity: 20.32 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 6.54 AU - 9.24 AU

Year: 15032 Days

Day: 20.2 Hours

Environment

Temp: -230 °C

Axial Tilt: 11.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 77,768,870 km

• M1: 86,468 km (0.057 R)
• M2: 470,037 km (0.104 R)
• M3: 1,147,864 km (0.102 R)
• M4: 1,367,923 km (0.059 R)
• M5: 1,616,405 km (0.071 R)
• M6: 1,876,855 km (0.069 R)
• M7: 2,246,960 km (0.109 R)
• M8: 3,238,943 km (0.098 R)
• M9: 3,862,318 km (0.082 R)
• M10: 4,170,938 km (0.087 R)
• M11: 5,650,461 km (0.104 R)
• M12: 6,048,691 km (0.053 R)
• M13: 7,081,215 km (0.1 R)
• M14: 9,109,014 km (0.118 R)
• M15: 10,342,898 km (0.07 R)
• M16: 12,134,631 km (0.094 R)
• M17: 15,157,705 km (0.08 R)
• M18: 16,883,167 km (0.107 R)
• M19: 18,217,430 km (0.105 R)
• M20: 21,569,619 km (0.12 R)
• M21: 22,838,808 km (0.114 R)
• M22: 24,468,228 km (0.066 R)
• M23: 25,098,783 km (0.086 R)
• M24: 25,956,278 km (0.044 R)
• M25: 26,722,518 km (0.107 R)
• M26: 28,646,047 km (0.094 R)
• M27: 30,058,102 km (0.047 R)
• M28: 36,852,388 km (0.066 R)
• M29: 38,380,381 km (0.109 R)
• M30: 51,465,856 km (0.1 R)
• M31: 52,326,942 km (0.106 R)
• M32: 54,432,681 km (0.093 R)
• M33: 56,048,637 km (0.109 R)
• M34: 56,959,988 km (0.108 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 979.2

Radius: 3.1

Gravity: 101.89 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 7.68 AU - 9.64 AU

Year: 17285 Days

Day: 21.5 Hours

Environment

Temp: -232 °C

Axial Tilt: 48.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 77,768,870 km

• M1: 39,195 km (0.108 R)
• M2: 172,935 km (0.076 R)
• M3: 499,507 km (0.044 R)
• M4: 606,021 km (0.1 R)
• M5: 984,354 km (0.083 R)
• M6: 1,209,948 km (0.035 R)
• M7: 1,585,588 km (0.066 R)
• M8: 1,800,261 km (0.103 R)
• M9: 2,960,841 km (0.079 R)
• M10: 3,175,215 km (0.066 R)
• M11: 3,695,516 km (0.103 R)
• M12: 4,072,353 km (0.089 R)
• M13: 5,435,040 km (0.07 R)
• M14: 6,005,607 km (0.111 R)
• M15: 8,474,719 km (0.059 R)
• M16: 8,688,794 km (0.108 R)
• M17: 9,016,563 km (0.111 R)
• M18: 10,905,086 km (0.095 R)
• M19: 11,094,627 km (0.081 R)
• M20: 11,480,290 km (0.098 R)
• M21: 11,676,413 km (0.075 R)
• M22: 15,283,218 km (0.102 R)
• M23: 16,494,811 km (0.107 R)
• M24: 17,422,766 km (0.099 R)
• M25: 18,296,268 km (0.112 R)
• M26: 22,082,291 km (0.082 R)
• M27: 23,208,165 km (0.102 R)
• M28: 32,831,048 km (0.103 R)
• M29: 34,701,919 km (0.025 R)
• M30: 34,974,785 km (0.086 R)
• M31: 42,739,962 km (0.072 R)
• M32: 44,805,759 km (0.112 R)
• M33: 47,270,982 km (0.073 R)
• M34: 53,371,584 km (0.099 R)
• M35: 60,566,194 km (0.104 R)
• M36: 60,763,813 km (0.072 R)
• M37: 64,600,101 km (0.037 R)
• M38: 66,893,286 km (0.054 R)
• M39: 73,646,583 km (0.071 R)
• M40: 74,323,214 km (0.093 R)
• M41: 74,549,705 km (0.051 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 281 - 17,146 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit