🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 63

Radius: 10.9

Gravity: 0.53 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 0.52 AU - 0.54 AU

Year: 271 Days

Day: 9 Hours

Environment

Temp: -147 °C

Axial Tilt: 20.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 50,644,467 km

• M1: 136,284 km (0.094 R)
• M2: 646,263 km (0.095 R)
• M3: 1,024,895 km (0.079 R)
• M4: 1,758,822 km (0.076 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 868.8

Radius: 8

Gravity: 13.58 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 0.49 AU - 0.81 AU

Year: 368 Days

Day: 11.7 Hours

Environment

Temp: -151 °C

Axial Tilt: 23.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 50,644,467 km

• M1: 99,483 km (0.082 R)
• M2: 354,098 km (0.111 R)
• M3: 634,744 km (0.105 R)
• M4: 902,374 km (0.081 R)
• M5: 1,247,048 km (0.111 R)
• M6: 1,510,938 km (0.117 R)
• M7: 1,843,195 km (0.118 R)
• M8: 2,433,509 km (0.114 R)
• M9: 3,155,169 km (0.052 R)
• M10: 5,299,205 km (0.117 R)
• M11: 5,593,165 km (0.109 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 155.8

Radius: 14.9

Gravity: 0.7 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 0.86 AU - 1.12 AU

Year: 692 Days

Day: 8.9 Hours

Environment

Temp: -167 °C

Axial Tilt: 11.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 50,644,467 km

• M1: 186,549 km (0.067 R)
• M2: 653,593 km (0.082 R)
• M3: 1,247,197 km (0.115 R)
• M4: 1,793,080 km (0.076 R)
• M5: 2,900,404 km (0.085 R)
• M6: 3,810,856 km (0.069 R)
• M7: 4,452,332 km (0.082 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 794.8

Radius: 11

Gravity: 6.57 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 1.8 AU - 2.02 AU

Year: 1855 Days

Day: 7 Hours

Environment

Temp: -201 °C

Axial Tilt: 14.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 50,644,467 km

• M1: 136,732 km (0.037 R)
• M2: 699,819 km (0.119 R)
• M3: 1,100,592 km (0.118 R)
• M4: 1,474,287 km (0.1 R)
• M5: 1,856,360 km (0.117 R)
• M6: 2,515,039 km (0.078 R)
• M7: 2,975,053 km (0.081 R)
• M8: 3,559,532 km (0.112 R)
• M9: 4,199,811 km (0.106 R)
• M10: 4,829,468 km (0.087 R)
• M11: 6,801,617 km (0.087 R)
• M12: 9,427,658 km (0.078 R)
• M13: 10,799,769 km (0.062 R)
• M14: 13,892,855 km (0.113 R)
• M15: 14,647,876 km (0.06 R)
• M16: 15,150,824 km (0.091 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 974.5

Radius: 12.9

Gravity: 5.86 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 2.06 AU - 3.08 AU

Year: 2896 Days

Day: 10.7 Hours

Environment

Temp: -210 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 50,644,467 km

• M1: 160,519 km (0.069 R)
• M2: 674,986 km (0.079 R)
• M3: 1,226,852 km (0.096 R)
• M4: 1,638,097 km (0.032 R)
• M5: 2,310,390 km (0.103 R)
• M6: 3,689,383 km (0.118 R)
• M7: 4,365,266 km (0.1 R)
• M8: 5,097,398 km (0.11 R)
• M9: 6,716,496 km (0.106 R)
• M10: 7,432,770 km (0.098 R)
• M11: 8,691,487 km (0.043 R)
• M12: 9,580,996 km (0.105 R)
• M13: 10,287,247 km (0.057 R)
• M14: 11,325,456 km (0.095 R)
• M15: 12,801,389 km (0.037 R)
• M16: 14,912,365 km (0.095 R)
• M17: 17,189,244 km (0.109 R)
• M18: 18,951,657 km (0.081 R)
• M19: 20,065,114 km (0.084 R)
• M20: 21,091,205 km (0.082 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 894.3

Radius: 9.6

Gravity: 9.7 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 2.44 AU - 3.02 AU

Year: 3171 Days

Day: 13.5 Hours

Environment

Temp: -219 °C

Axial Tilt: 9.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 50,644,467 km

• M1: 119,379 km (0.096 R)
• M2: 433,983 km (0.073 R)
• M3: 921,224 km (0.117 R)
• M4: 1,317,658 km (0.115 R)
• M5: 2,463,428 km (0.06 R)
• M6: 3,728,129 km (0.098 R)
• M7: 4,130,397 km (0.086 R)
• M8: 5,123,129 km (0.066 R)
• M9: 5,513,878 km (0.056 R)
• M10: 6,473,698 km (0.094 R)
• M11: 7,442,494 km (0.118 R)
• M12: 7,978,952 km (0.094 R)
• M13: 9,549,131 km (0.117 R)
• M14: 11,315,583 km (0.114 R)
• M15: 11,980,097 km (0.063 R)
• M16: 12,530,318 km (0.1 R)
• M17: 13,193,335 km (0.053 R)
• M18: 13,582,589 km (0.081 R)
• M19: 13,929,507 km (0.072 R)
• M20: 15,753,553 km (0.115 R)
• M21: 18,871,921 km (0.119 R)
• M22: 19,616,918 km (0.118 R)
• M23: 22,517,322 km (0.091 R)
• M24: 23,073,826 km (0.077 R)
• M25: 23,639,456 km (0.092 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 795.3

Radius: 3.1

Gravity: 82.76 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 6.51 AU - 6.89 AU

Year: 12190 Days

Day: 19.4 Hours

Environment

Temp: -235 °C

Axial Tilt: 29.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 50,644,467 km

• M1: 38,596 km (0.041 R)
• M2: 137,780 km (0.1 R)
• M3: 498,161 km (0.111 R)
• M4: 893,847 km (0.071 R)
• M5: 1,513,482 km (0.069 R)
• M6: 1,750,145 km (0.101 R)
• M7: 2,140,895 km (0.104 R)
• M8: 2,459,838 km (0.108 R)
• M9: 2,719,091 km (0.087 R)
• M10: 2,901,750 km (0.104 R)
• M11: 3,068,252 km (0.072 R)
• M12: 4,325,473 km (0.1 R)
• M13: 5,204,360 km (0.105 R)
• M14: 6,432,110 km (0.113 R)
• M15: 9,597,003 km (0.03 R)
• M16: 9,966,659 km (0.117 R)
• M17: 11,306,158 km (0.062 R)
• M18: 15,028,602 km (0.117 R)
• M19: 15,311,940 km (0.1 R)
• M20: 17,163,663 km (0.085 R)
• M21: 18,830,034 km (0.051 R)
• M22: 20,950,583 km (0.08 R)
• M23: 21,571,714 km (0.107 R)
• M24: 27,829,991 km (0.059 R)
• M25: 29,233,818 km (0.052 R)
• M26: 31,139,694 km (0.108 R)
• M27: 31,254,286 km (0.114 R)
• M28: 35,196,639 km (0.118 R)
• M29: 37,610,401 km (0.046 R)
• M30: 38,791,177 km (0.086 R)
• M31: 42,764,047 km (0.097 R)
• M32: 44,775,540 km (0.105 R)
• M33: 50,393,090 km (0.091 R)
• M34: 51,346,178 km (0.102 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 330.4

Radius: 4.5

Gravity: 16.32 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 6.45 AU - 9.37 AU

Year: 15638 Days

Day: 24.4 Hours

Environment

Temp: -232 °C

Axial Tilt: 8.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 50,644,467 km

• M1: 57,595 km (0.095 R)
• M2: 381,475 km (0.102 R)
• M3: 544,835 km (0.105 R)
• M4: 818,300 km (0.118 R)
• M5: 1,992,195 km (0.109 R)
• M6: 2,300,217 km (0.1 R)
• M7: 3,221,291 km (0.071 R)
• M8: 3,724,239 km (0.114 R)
• M9: 4,483,897 km (0.105 R)
• M10: 5,685,617 km (0.115 R)
• M11: 6,727,117 km (0.034 R)
• M12: 7,544,819 km (0.051 R)
• M13: 9,623,182 km (0.053 R)
• M14: 9,926,417 km (0.115 R)
• M15: 10,393,013 km (0.088 R)
• M16: 20,225,034 km (0.03 R)
• M17: 21,914,293 km (0.111 R)
• M18: 23,151,318 km (0.105 R)
• M19: 25,283,237 km (0.094 R)
• M20: 27,140,345 km (0.079 R)
• M21: 27,948,772 km (0.068 R)
• M22: 29,933,038 km (0.104 R)
• M23: 30,254,673 km (0.059 R)
• M24: 40,616,121 km (0.098 R)
• M25: 41,142,257 km (0.099 R)
• M26: 42,208,142 km (0.05 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 250 - 17,311 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit