🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 597.7

Radius: 11.1

Gravity: 4.85 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 0.65 AU - 0.83 AU

Year: 411 Days

Day: 11.1 Hours

Environment

Temp: -144 °C

Axial Tilt: 17.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 71,662,547 km

• M1: 138,079 km (0.051 R)
• M2: 501,901 km (0.084 R)
• M3: 943,215 km (0.107 R)
• M4: 1,327,232 km (0.048 R)
• M5: 2,172,610 km (0.064 R)
• M6: 2,819,770 km (0.113 R)
• M7: 4,264,886 km (0.082 R)
• M8: 4,610,906 km (0.086 R)
• M9: 5,142,427 km (0.097 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 31.9

Radius: 12.3

Gravity: 0.21 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 0.68 AU - 1.12 AU

Year: 551 Days

Day: 8.5 Hours

Environment

Temp: -151 °C

Axial Tilt: 20.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 71,662,547 km

• M1: 153,039 km (0.081 R)
• M2: 1,024,596 km (0.089 R)
• M3: 2,449,067 km (0.073 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 250

Radius: 9.4

Gravity: 2.83 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 1.29 AU - 1.43 AU

Year: 1024 Days

Day: 14.3 Hours

Environment

Temp: -175 °C

Axial Tilt: 41.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 71,662,547 km

• M1: 116,836 km (0.078 R)
• M2: 455,526 km (0.118 R)
• M3: 789,428 km (0.104 R)
• M4: 1,527,394 km (0.118 R)
• M5: 1,893,011 km (0.092 R)
• M6: 2,447,870 km (0.108 R)
• M7: 2,976,399 km (0.078 R)
• M8: 4,053,953 km (0.112 R)
• M9: 4,910,550 km (0.084 R)
• M10: 7,192,067 km (0.103 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 606.8

Radius: 8.4

Gravity: 8.6 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 1.29 AU - 1.87 AU

Year: 1282 Days

Day: 8.6 Hours

Environment

Temp: -177 °C

Axial Tilt: 0.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 71,662,547 km

• M1: 104,868 km (0.095 R)
• M2: 402,269 km (0.043 R)
• M3: 792,719 km (0.081 R)
• M4: 1,133,802 km (0.081 R)
• M5: 1,395,599 km (0.087 R)
• M6: 2,087,788 km (0.119 R)
• M7: 2,511,599 km (0.064 R)
• M8: 3,103,258 km (0.085 R)
• M9: 3,999,200 km (0.111 R)
• M10: 4,345,220 km (0.093 R)
• M11: 5,889,967 km (0.092 R)
• M12: 6,315,873 km (0.086 R)
• M13: 6,883,148 km (0.11 R)
• M14: 7,691,724 km (0.117 R)
• M15: 8,091,898 km (0.092 R)
• M16: 9,168,106 km (0.09 R)
• M17: 10,209,456 km (0.093 R)
• M18: 10,725,868 km (0.118 R)
• M19: 11,567,655 km (0.069 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 506.8

Radius: 8.7

Gravity: 6.7 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 1.78 AU - 2.22 AU

Year: 1826 Days

Day: 13 Hours

Environment

Temp: -195 °C

Axial Tilt: 26.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 71,662,547 km

• M1: 108,159 km (0.104 R)
• M2: 389,852 km (0.112 R)
• M3: 1,028,037 km (0.099 R)
• M4: 1,464,713 km (0.029 R)
• M5: 2,043,956 km (0.116 R)
• M6: 2,449,815 km (0.112 R)
• M7: 3,587,058 km (0.089 R)
• M8: 4,017,152 km (0.089 R)
• M9: 4,857,592 km (0.095 R)
• M10: 5,787,642 km (0.111 R)
• M11: 6,114,813 km (0.118 R)
• M12: 6,528,601 km (0.116 R)
• M13: 7,742,737 km (0.062 R)
• M14: 8,492,222 km (0.104 R)
• M15: 9,771,284 km (0.091 R)
• M16: 10,269,744 km (0.11 R)
• M17: 11,867,749 km (0.083 R)
• M18: 12,358,729 km (0.059 R)
• M19: 13,666,065 km (0.073 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 926.4

Radius: 4.3

Gravity: 50.1 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 7.52 AU - 9.28 AU

Year: 15719 Days

Day: 22.3 Hours

Environment

Temp: -234 °C

Axial Tilt: 7.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 71,662,547 km

• M1: 54,753 km (0.101 R)
• M2: 276,307 km (0.096 R)
• M3: 584,479 km (0.105 R)
• M4: 805,585 km (0.116 R)
• M5: 1,132,605 km (0.12 R)
• M6: 2,228,410 km (0.116 R)
• M7: 3,123,753 km (0.116 R)
• M8: 3,394,525 km (0.072 R)
• M9: 4,301,238 km (0.071 R)
• M10: 6,843,355 km (0.063 R)
• M11: 7,825,315 km (0.115 R)
• M12: 9,112,455 km (0.115 R)
• M13: 9,834,564 km (0.079 R)
• M14: 14,389,670 km (0.115 R)
• M15: 14,985,967 km (0.111 R)
• M16: 15,676,211 km (0.071 R)
• M17: 16,955,273 km (0.105 R)
• M18: 17,536,162 km (0.104 R)
• M19: 17,704,459 km (0.093 R)
• M20: 19,268,804 km (0.085 R)
• M21: 20,454,218 km (0.112 R)
• M22: 21,978,919 km (0.089 R)
• M23: 23,782,920 km (0.073 R)
• M24: 24,405,397 km (0.081 R)
• M25: 25,145,457 km (0.072 R)
• M26: 25,683,112 km (0.057 R)
• M27: 26,009,385 km (0.114 R)
• M28: 27,116,858 km (0.109 R)
• M29: 27,682,338 km (0.107 R)
• M30: 30,384,524 km (0.099 R)
• M31: 32,238,491 km (0.095 R)
• M32: 33,000,841 km (0.096 R)
• M33: 36,170,072 km (0.057 R)
• M34: 36,306,356 km (0.074 R)
• M35: 37,548,467 km (0.115 R)
• M36: 39,104,734 km (0.098 R)
• M37: 45,283,874 km (0.037 R)
• M38: 52,256,481 km (0.081 R)
• M39: 69,115,413 km (0.093 R)
• M40: 69,957,649 km (0.094 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: 209 - 19,053 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit