🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.79 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 62

Radius: 8.4

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 1.3 AU - 1.84 AU

Year: 1358 Days

Day: 10.2 Hours

Environment

Temp: -187 °C

Axial Tilt: 16.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 79,511,799 km

• M1: 105,018 km (0.086 R)
• M2: 398,828 km (0.108 R)
• M3: 698,772 km (0.079 R)
• M4: 983,307 km (0.119 R)
• M5: 1,286,093 km (0.059 R)
• M6: 1,567,486 km (0.06 R)
• M7: 2,161,689 km (0.106 R)
• M8: 2,487,364 km (0.042 R)
• M9: 2,763,222 km (0.119 R)
• M10: 3,136,918 km (0.075 R)
• M11: 3,507,771 km (0.045 R)
• M12: 3,881,915 km (0.1 R)
• M13: 5,373,406 km (0.058 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 235.8

Radius: 10.9

Gravity: 1.98 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 2.27 AU - 2.83 AU

Year: 2811 Days

Day: 13.9 Hours

Environment

Temp: -211 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 79,511,799 km

• M1: 136,882 km (0.075 R)
• M2: 524,939 km (0.098 R)
• M3: 864,676 km (0.068 R)
• M4: 1,561,951 km (0.064 R)
• M5: 2,143,289 km (0.074 R)
• M6: 3,008,862 km (0.065 R)
• M7: 3,571,649 km (0.052 R)
• M8: 4,391,745 km (0.099 R)
• M9: 5,599,448 km (0.106 R)
• M10: 6,016,078 km (0.116 R)
• M11: 6,963,930 km (0.071 R)
• M12: 8,812,063 km (0.111 R)
• M13: 9,473,584 km (0.073 R)
• M14: 9,999,570 km (0.117 R)
• M15: 11,400,106 km (0.106 R)
• M16: 12,109,349 km (0.059 R)
• M17: 12,572,205 km (0.096 R)
• M18: 13,410,851 km (0.031 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 33.1

Radius: 8.9

Gravity: 0.42 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 2.84 AU - 3.12 AU

Year: 3551 Days

Day: 12.8 Hours

Environment

Temp: -213 °C

Axial Tilt: 26.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 79,511,799 km

• M1: 110,702 km (0.044 R)
• M2: 441,463 km (0.087 R)
• M3: 728,542 km (0.048 R)
• M4: 1,243,906 km (0.106 R)
• M5: 1,644,978 km (0.073 R)
• M6: 2,430,217 km (0.106 R)
• M7: 2,804,661 km (0.075 R)
• M8: 3,757,300 km (0.12 R)
• M9: 4,072,353 km (0.083 R)
• M10: 6,001,268 km (0.12 R)

Planet 4 - Ice Giant

Semi-Major Axis: 5.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 19.1

Radius: 4.5

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 5.56 AU - 5.78 AU

Year: 9319 Days

Day: 20.6 Hours

Environment

Temp: -228 °C

Axial Tilt: 25.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 79,511,799 km

• M1: 55,950 km (0.089 R)
• M2: 295,905 km (0.101 R)
• M3: 1,339,948 km (0.112 R)
• M4: 1,612,216 km (0.108 R)
• M5: 2,391,771 km (0.089 R)
• M6: 5,540,058 km (0.081 R)
• M7: 5,976,585 km (0.098 R)
• M8: 8,933,237 km (0.081 R)
• M9: 10,602,001 km (0.095 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 623.5

Radius: 3.3

Gravity: 57.25 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 6.9 AU - 7.48 AU

Year: 13308 Days

Day: 17.3 Hours

Environment

Temp: -234 °C

Axial Tilt: 11.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 79,511,799 km

• M1: 41,139 km (0.119 R)
• M2: 185,501 km (0.108 R)
• M3: 363,074 km (0.055 R)
• M4: 622,926 km (0.063 R)
• M5: 807,679 km (0.068 R)
• M6: 1,028,186 km (0.069 R)
• M7: 1,134,251 km (0.111 R)
• M8: 2,059,364 km (0.101 R)
• M9: 2,794,488 km (0.116 R)
• M10: 3,196,308 km (0.096 R)
• M11: 4,444,254 km (0.113 R)
• M12: 4,825,130 km (0.11 R)
• M13: 5,760,864 km (0.088 R)
• M14: 6,977,245 km (0.105 R)
• M15: 7,447,132 km (0.09 R)
• M16: 7,937,663 km (0.093 R)
• M17: 8,260,944 km (0.082 R)
• M18: 9,851,020 km (0.066 R)
• M19: 10,717,790 km (0.092 R)
• M20: 11,930,879 km (0.095 R)
• M21: 12,171,881 km (0.083 R)
• M22: 13,168,353 km (0.11 R)
• M23: 20,056,886 km (0.074 R)
• M24: 24,019,434 km (0.072 R)
• M25: 25,880,731 km (0.118 R)
• M26: 27,520,772 km (0.069 R)
• M27: 36,389,233 km (0.106 R)
• M28: 36,515,494 km (0.043 R)
• M29: 39,766,405 km (0.059 R)
• M30: 43,346,432 km (0.112 R)
• M31: 46,985,849 km (0.102 R)
• M32: 47,888,522 km (0.066 R)
• M33: 53,223,631 km (0.102 R)
• M34: 53,712,517 km (0.113 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 758.2

Radius: 5.1

Gravity: 29.15 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 9.25 AU - 9.81 AU

Year: 20307 Days

Day: 19.9 Hours

Environment

Temp: -238 °C

Axial Tilt: 47.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 79,511,799 km

• M1: 64,028 km (0.114 R)
• M2: 250,277 km (0.083 R)
• M3: 582,983 km (0.12 R)
• M4: 778,358 km (0.058 R)
• M5: 1,107,772 km (0.035 R)
• M6: 1,475,933 km (0.105 R)
• M7: 3,077,079 km (0.052 R)
• M8: 3,863,664 km (0.038 R)
• M9: 4,812,564 km (0.114 R)
• M10: 5,186,409 km (0.096 R)
• M11: 5,459,275 km (0.097 R)
• M12: 9,583,240 km (0.093 R)
• M13: 10,915,409 km (0.075 R)
• M14: 14,699,337 km (0.034 R)
• M15: 19,090,035 km (0.07 R)
• M16: 19,646,838 km (0.047 R)
• M17: 25,488,036 km (0.108 R)
• M18: 31,738,535 km (0.083 R)
• M19: 48,854,625 km (0.111 R)
• M20: 55,507,542 km (0.064 R)
• M21: 62,333,244 km (0.103 R)
• M22: 66,051,948 km (0.034 R)
• M23: 70,794,500 km (0.069 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: 381 - 10,745 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit