🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.5 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 771.6

Radius: 11.9

Gravity: 5.45 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 0.95 AU - 1.03 AU

Year: 636 Days

Day: 14.7 Hours

Environment

Temp: -161 °C

Axial Tilt: 13.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 30,357,487 km

• M1: 148,102 km (0.097 R)
• M2: 628,610 km (0.073 R)
• M3: 1,134,550 km (0.113 R)
• M4: 1,569,581 km (0.111 R)
• M5: 1,953,150 km (0.116 R)
• M6: 2,379,803 km (0.087 R)
• M7: 2,880,657 km (0.118 R)
• M8: 3,934,873 km (0.066 R)
• M9: 5,408,262 km (0.097 R)
• M10: 6,063,650 km (0.064 R)
• M11: 6,584,101 km (0.03 R)
• M12: 7,487,972 km (0.111 R)
• M13: 7,899,815 km (0.12 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 568

Radius: 10.2

Gravity: 5.46 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 1.58 AU - 2.36 AU

Year: 1785 Days

Day: 6.4 Hours

Environment

Temp: -182 °C

Axial Tilt: 20.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 30,357,487 km

• M1: 127,009 km (0.095 R)
• M2: 1,275,621 km (0.105 R)
• M3: 1,917,097 km (0.078 R)
• M4: 2,611,979 km (0.086 R)
• M5: 3,245,077 km (0.089 R)
• M6: 4,158,372 km (0.096 R)
• M7: 5,519,413 km (0.051 R)
• M8: 5,884,432 km (0.082 R)
• M9: 7,344,956 km (0.073 R)
• M10: 8,454,374 km (0.113 R)
• M11: 10,546,351 km (0.094 R)
• M12: 12,529,719 km (0.07 R)
• M13: 14,277,770 km (0.058 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 858.6

Radius: 10

Gravity: 8.59 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 2.62 AU - 2.76 AU

Year: 2849 Days

Day: 11.8 Hours

Environment

Temp: -200 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 30,357,487 km

• M1: 124,465 km (0.101 R)
• M2: 459,714 km (0.096 R)
• M3: 1,145,321 km (0.071 R)
• M4: 1,580,651 km (0.096 R)
• M5: 1,943,276 km (0.063 R)
• M6: 3,726,333 km (0.101 R)
• M7: 4,095,092 km (0.12 R)
• M8: 4,443,356 km (0.091 R)
• M9: 5,582,693 km (0.114 R)
• M10: 8,121,818 km (0.084 R)
• M11: 8,638,679 km (0.081 R)
• M12: 9,436,484 km (0.054 R)
• M13: 9,891,860 km (0.114 R)
• M14: 10,242,966 km (0.098 R)
• M15: 10,764,913 km (0.116 R)
• M16: 11,474,007 km (0.092 R)
• M17: 13,031,770 km (0.086 R)
• M18: 13,644,822 km (0.089 R)
• M19: 13,982,913 km (0.108 R)
• M20: 16,129,792 km (0.112 R)
• M21: 16,726,538 km (0.11 R)
• M22: 17,906,566 km (0.096 R)
• M23: 19,021,369 km (0.084 R)
• M24: 19,748,864 km (0.116 R)
• M25: 21,583,532 km (0.104 R)
• M26: 22,308,334 km (0.097 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 121.2

Radius: 9.6

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 3.48 AU - 3.48 AU

Year: 4192 Days

Day: 7 Hours

Environment

Temp: -215 °C

Axial Tilt: 11.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 30,357,487 km

• M1: 123,717 km (0.099 R)
• M2: 444,156 km (0.106 R)
• M3: 1,157,439 km (0.046 R)
• M4: 3,112,832 km (0.058 R)
• M5: 4,131,594 km (0.118 R)
• M6: 5,010,033 km (0.06 R)
• M7: 5,607,826 km (0.107 R)
• M8: 6,056,470 km (0.115 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 410.3

Radius: 5.4

Gravity: 14.07 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 6.17 AU - 8.89 AU

Year: 13342 Days

Day: 23.8 Hours

Environment

Temp: -230 °C

Axial Tilt: 48.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 30,357,487 km

• M1: 100,530 km (0.038 R)
• M2: 381,774 km (0.083 R)
• M3: 654,341 km (0.112 R)
• M4: 997,967 km (0.116 R)
• M5: 1,581,100 km (0.045 R)
• M6: 6,402,490 km (0.093 R)
• M7: 11,441,844 km (0.12 R)
• M8: 16,271,461 km (0.096 R)
• M9: 17,717,474 km (0.077 R)
• M10: 19,722,534 km (0.111 R)
• M11: 29,258,202 km (0.098 R)
• M12: 31,388,027 km (0.108 R)
• M13: 32,379,412 km (0.055 R)
• M14: 33,847,865 km (0.089 R)
• M15: 35,478,481 km (0.106 R)
• M16: 40,812,842 km (0.118 R)
• M17: 41,728,980 km (0.115 R)
• M18: 47,803,401 km (0.11 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 73

Radius: 7.6

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 6.51 AU - 10.09 AU

Year: 15439 Days

Day: 19.3 Hours

Environment

Temp: -227 °C

Axial Tilt: 29.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 30,357,487 km

• M1: 95,743 km (0.082 R)
• M2: 448,494 km (0.095 R)
• M3: 710,291 km (0.077 R)
• M4: 987,346 km (0.046 R)
• M5: 4,325,174 km (0.103 R)
• M6: 5,552,774 km (0.109 R)
• M7: 9,484,804 km (0.083 R)
• M8: 9,907,119 km (0.041 R)
• M9: 10,297,719 km (0.045 R)
• M10: 14,018,517 km (0.057 R)
• M11: 26,453,092 km (0.102 R)
• M12: 26,869,274 km (0.034 R)
• M13: 28,230,465 km (0.113 R)
• M14: 29,726,443 km (0.097 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 283 - 12,707 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit