🌌 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: 254.9

Radius: 13.3

Gravity: 1.44 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 0.4 AU - 0.62 AU

Year: 243 Days

Day: 9.7 Hours

Environment

Temp: -148 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 35,135,754 km

• M1: 165,455 km (0.046 R)
• M2: 599,439 km (0.045 R)
• M3: 1,104,481 km (0.086 R)
• M4: 1,603,390 km (0.108 R)
• M5: 2,035,877 km (0.119 R)
• M6: 2,539,723 km (0.111 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 702.6

Radius: 14

Gravity: 3.58 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 1.06 AU - 1.3 AU

Year: 855 Days

Day: 13 Hours

Environment

Temp: -191 °C

Axial Tilt: 46.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 35,135,754 km

• M1: 174,282 km (0.104 R)
• M2: 621,729 km (0.109 R)
• M3: 1,167,013 km (0.104 R)
• M4: 1,747,902 km (0.117 R)
• M5: 2,714,005 km (0.1 R)
• M6: 3,345,308 km (0.095 R)
• M7: 4,215,369 km (0.04 R)
• M8: 4,994,475 km (0.088 R)
• M9: 5,438,032 km (0.091 R)
• M10: 7,820,528 km (0.111 R)
• M11: 8,268,125 km (0.111 R)
• M12: 8,838,691 km (0.068 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 156.2

Radius: 9.3

Gravity: 1.81 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 2.49 AU - 2.49 AU

Year: 2620 Days

Day: 13.2 Hours

Environment

Temp: -205 °C

Axial Tilt: 26.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 35,135,754 km

• M1: 115,938 km (0.11 R)
• M2: 442,810 km (0.109 R)
• M3: 820,096 km (0.112 R)
• M4: 1,332,917 km (0.084 R)
• M5: 2,123,841 km (0.087 R)
• M6: 2,693,510 km (0.096 R)
• M7: 3,028,758 km (0.026 R)
• M8: 3,437,460 km (0.101 R)
• M9: 4,136,680 km (0.084 R)
• M10: 4,438,120 km (0.052 R)
• M11: 5,185,810 km (0.119 R)
• M12: 5,643,430 km (0.074 R)
• M13: 5,948,311 km (0.052 R)
• M14: 6,473,549 km (0.094 R)
• M15: 7,229,766 km (0.071 R)
• M16: 7,721,793 km (0.105 R)
• M17: 9,242,605 km (0.084 R)
• M18: 9,916,095 km (0.096 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 551.3

Radius: 12.5

Gravity: 3.53 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 2.75 AU - 3.69 AU

Year: 3853 Days

Day: 11.3 Hours

Environment

Temp: -223 °C

Axial Tilt: 19.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 35,135,754 km

• M1: 155,432 km (0.077 R)
• M2: 670,348 km (0.074 R)
• M3: 1,402,181 km (0.115 R)
• M4: 1,955,843 km (0.11 R)
• M5: 2,590,437 km (0.114 R)
• M6: 3,266,619 km (0.072 R)
• M7: 3,726,782 km (0.107 R)
• M8: 4,252,170 km (0.116 R)
• M9: 5,557,860 km (0.103 R)
• M10: 6,019,968 km (0.034 R)
• M11: 8,549,668 km (0.098 R)
• M12: 9,167,208 km (0.079 R)
• M13: 9,697,981 km (0.096 R)
• M14: 11,500,785 km (0.061 R)
• M15: 12,481,549 km (0.097 R)
• M16: 13,134,244 km (0.099 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 694.6

Radius: 11.2

Gravity: 5.54 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 4.03 AU - 4.57 AU

Year: 5946 Days

Day: 10 Hours

Environment

Temp: -214 °C

Axial Tilt: 11.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 35,135,754 km

• M1: 139,724 km (0.103 R)
• M2: 500,405 km (0.091 R)
• M3: 1,045,839 km (0.093 R)
• M4: 2,408,825 km (0.116 R)
• M5: 3,067,654 km (0.087 R)
• M6: 3,866,357 km (0.106 R)
• M7: 4,227,486 km (0.11 R)
• M8: 4,907,558 km (0.063 R)
• M9: 5,968,057 km (0.11 R)
• M10: 7,836,684 km (0.115 R)
• M11: 8,904,813 km (0.116 R)
• M12: 9,625,426 km (0.104 R)
• M13: 10,157,247 km (0.082 R)
• M14: 11,039,276 km (0.1 R)
• M15: 12,535,105 km (0.066 R)
• M16: 16,732,671 km (0.119 R)
• M17: 18,769,147 km (0.119 R)
• M18: 20,239,246 km (0.107 R)
• M19: 20,600,225 km (0.103 R)
• M20: 21,709,344 km (0.103 R)
• M21: 25,026,527 km (0.06 R)
• M22: 25,442,708 km (0.078 R)
• M23: 26,460,273 km (0.086 R)
• M24: 27,948,173 km (0.106 R)
• M25: 29,676,328 km (0.092 R)
• M26: 33,344,318 km (0.114 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 216.2

Radius: 12.8

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 4.19 AU - 4.71 AU

Year: 6260 Days

Day: 11.9 Hours

Environment

Temp: -216 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 35,135,754 km

• M1: 159,172 km (0.113 R)
• M2: 929,302 km (0.061 R)
• M3: 1,610,122 km (0.043 R)
• M4: 2,125,337 km (0.097 R)
• M5: 2,832,187 km (0.105 R)
• M6: 3,552,800 km (0.076 R)
• M7: 4,084,620 km (0.084 R)
• M8: 5,106,075 km (0.046 R)
• M9: 7,072,838 km (0.104 R)
• M10: 7,851,046 km (0.111 R)
• M11: 8,976,770 km (0.088 R)
• M12: 11,031,646 km (0.112 R)
• M13: 13,191,391 km (0.105 R)
• M14: 14,472,248 km (0.045 R)
• M15: 15,566,107 km (0.091 R)
• M16: 16,325,466 km (0.073 R)
• M17: 19,862,857 km (0.059 R)
• M18: 21,278,951 km (0.059 R)
• M19: 22,214,536 km (0.091 R)
• M20: 23,038,072 km (0.04 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 100.2

Radius: 4.5

Gravity: 4.95 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 7.09 AU - 9.83 AU

Year: 16409 Days

Day: 24 Hours

Environment

Temp: -233 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 35,135,754 km

• M1: 55,950 km (0.084 R)
• M2: 679,623 km (0.095 R)
• M3: 1,316,611 km (0.104 R)
• M4: 1,876,406 km (0.03 R)
• M5: 2,748,861 km (0.085 R)
• M6: 3,105,801 km (0.107 R)
• M7: 5,016,914 km (0.066 R)
• M8: 9,080,591 km (0.049 R)
• M9: 10,325,694 km (0.081 R)
• M10: 14,796,127 km (0.089 R)
• M11: 16,639,173 km (0.045 R)
• M12: 18,219,674 km (0.075 R)
• M13: 21,904,868 km (0.079 R)
• M14: 23,235,840 km (0.088 R)
• M15: 32,770,461 km (0.07 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 304 - 14,222 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit