🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.47 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 747.9

Radius: 12.8

Gravity: 4.56 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 0.81 AU - 1.05 AU

Year: 579 Days

Day: 6.6 Hours

Environment

Temp: -152 °C

Axial Tilt: 20.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 38,660,137 km

• M1: 159,322 km (0.115 R)
• M2: 625,319 km (0.076 R)
• M3: 1,247,646 km (0.093 R)
• M4: 1,666,520 km (0.118 R)
• M5: 2,080,906 km (0.106 R)
• M6: 2,554,533 km (0.065 R)
• M7: 3,433,570 km (0.057 R)
• M8: 4,677,177 km (0.102 R)
• M9: 5,220,816 km (0.083 R)
• M10: 5,642,383 km (0.104 R)
• M11: 7,151,825 km (0.045 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 755.3

Radius: 11.2

Gravity: 6.02 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 1.01 AU - 1.67 AU

Year: 1002 Days

Day: 14 Hours

Environment

Temp: -172 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 38,660,137 km

• M1: 139,276 km (0.087 R)
• M2: 528,529 km (0.09 R)
• M3: 989,141 km (0.1 R)
• M4: 1,512,883 km (0.034 R)
• M5: 2,040,365 km (0.089 R)
• M6: 2,450,264 km (0.058 R)
• M7: 3,556,989 km (0.083 R)
• M8: 3,927,842 km (0.054 R)
• M9: 5,083,784 km (0.095 R)
• M10: 5,475,432 km (0.095 R)
• M11: 6,231,798 km (0.112 R)
• M12: 6,750,454 km (0.033 R)
• M13: 7,746,627 km (0.093 R)
• M14: 8,481,451 km (0.073 R)
• M15: 8,866,067 km (0.106 R)
• M16: 9,290,925 km (0.093 R)
• M17: 10,212,448 km (0.096 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 294.2

Radius: 11.7

Gravity: 2.15 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 1.21 AU - 1.57 AU

Year: 1058 Days

Day: 6 Hours

Environment

Temp: -165 °C

Axial Tilt: 0.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 38,660,137 km

• M1: 145,559 km (0.117 R)
• M2: 547,977 km (0.048 R)
• M3: 1,144,573 km (0.092 R)
• M4: 1,728,005 km (0.106 R)
• M5: 2,610,782 km (0.114 R)
• M6: 3,365,055 km (0.082 R)
• M7: 3,886,852 km (0.08 R)
• M8: 4,274,610 km (0.105 R)
• M9: 4,655,635 km (0.094 R)
• M10: 5,234,280 km (0.101 R)
• M11: 5,727,654 km (0.028 R)
• M12: 7,022,124 km (0.11 R)
• M13: 7,738,249 km (0.098 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 797.6

Radius: 11.1

Gravity: 6.47 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 2.8 AU - 3.06 AU

Year: 3238 Days

Day: 11.7 Hours

Environment

Temp: -195 °C

Axial Tilt: 65.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 38,660,137 km

• M1: 138,079 km (0.082 R)
• M2: 534,663 km (0.085 R)
• M3: 927,357 km (0.116 R)
• M4: 1,278,314 km (0.117 R)
• M5: 1,889,571 km (0.093 R)
• M6: 3,111,037 km (0.065 R)
• M7: 4,179,765 km (0.039 R)
• M8: 4,703,357 km (0.098 R)
• M9: 7,637,570 km (0.079 R)
• M10: 10,516,282 km (0.095 R)
• M11: 11,314,237 km (0.103 R)
• M12: 13,461,564 km (0.114 R)
• M13: 14,453,099 km (0.109 R)
• M14: 15,759,986 km (0.109 R)
• M15: 18,728,307 km (0.117 R)
• M16: 19,093,176 km (0.112 R)
• M17: 19,837,276 km (0.104 R)
• M18: 20,343,964 km (0.094 R)
• M19: 22,389,565 km (0.108 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 308.1

Radius: 12.9

Gravity: 1.85 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 3.08 AU - 4.44 AU

Year: 4708 Days

Day: 10.9 Hours

Environment

Temp: -215 °C

Axial Tilt: 27.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 38,660,137 km

• M1: 161,566 km (0.094 R)
• M2: 687,552 km (0.043 R)
• M3: 1,122,732 km (0.063 R)
• M4: 1,795,174 km (0.069 R)
• M5: 2,225,119 km (0.102 R)
• M6: 2,820,369 km (0.117 R)
• M7: 4,465,347 km (0.104 R)
• M8: 5,193,290 km (0.104 R)
• M9: 5,998,725 km (0.033 R)
• M10: 9,431,547 km (0.092 R)
• M11: 10,590,781 km (0.076 R)
• M12: 11,457,252 km (0.081 R)
• M13: 12,325,817 km (0.087 R)
• M14: 14,047,988 km (0.1 R)
• M15: 15,094,126 km (0.076 R)
• M16: 16,406,548 km (0.103 R)
• M17: 17,341,385 km (0.105 R)
• M18: 17,965,059 km (0.12 R)
• M19: 18,369,721 km (0.072 R)
• M20: 20,235,506 km (0.116 R)
• M21: 22,224,559 km (0.101 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.89 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 122.7

Radius: 3.7

Gravity: 8.96 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 6.82 AU - 10.96 AU

Year: 17115 Days

Day: 17.9 Hours

Environment

Temp: -235 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 38,660,137 km

• M1: 47,123 km (0.096 R)
• M2: 195,375 km (0.083 R)
• M3: 978,071 km (0.105 R)
• M4: 1,687,464 km (0.059 R)
• M5: 3,707,334 km (0.08 R)
• M6: 3,978,705 km (0.107 R)
• M7: 5,320,299 km (0.099 R)
• M8: 6,400,545 km (0.065 R)
• M9: 6,863,700 km (0.089 R)
• M10: 9,933,149 km (0.057 R)
• M11: 13,691,945 km (0.101 R)
• M12: 13,983,511 km (0.074 R)
• M13: 15,129,431 km (0.089 R)
• M14: 16,141,610 km (0.072 R)
• M15: 33,890,051 km (0.079 R)
• M16: 36,056,528 km (0.094 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 516 - 17,244 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit