🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.78 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 878.6

Radius: 14.9

Gravity: 3.96 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 1.37 AU - 1.73 AU

Year: 1309 Days

Day: 12.5 Hours

Environment

Temp: -200 °C

Axial Tilt: 45.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 44,981,461 km

• M1: 185,501 km (0.108 R)
• M2: 757,863 km (0.088 R)
• M3: 1,408,015 km (0.032 R)
• M4: 1,983,219 km (0.073 R)
• M5: 2,728,665 km (0.115 R)
• M6: 3,417,713 km (0.07 R)
• M7: 4,167,348 km (0.047 R)
• M8: 5,189,101 km (0.108 R)
• M9: 6,066,493 km (0.095 R)
• M10: 6,589,936 km (0.058 R)
• M11: 7,092,136 km (0.104 R)
• M12: 7,565,912 km (0.07 R)
• M13: 9,146,713 km (0.103 R)
• M14: 10,096,959 km (0.102 R)
• M15: 11,935,965 km (0.118 R)
• M16: 13,425,362 km (0.1 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 638.9

Radius: 9

Gravity: 7.89 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 2.1 AU - 2.2 AU

Year: 2138 Days

Day: 5.4 Hours

Environment

Temp: -196 °C

Axial Tilt: 10.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 44,981,461 km

• M1: 111,899 km (0.113 R)
• M2: 907,610 km (0.039 R)
• M3: 1,266,795 km (0.112 R)
• M4: 1,699,581 km (0.094 R)
• M5: 2,241,425 km (0.047 R)
• M6: 3,257,793 km (0.043 R)
• M7: 4,231,825 km (0.044 R)
• M8: 4,575,451 km (0.114 R)
• M9: 5,411,703 km (0.074 R)
• M10: 7,413,921 km (0.105 R)
• M11: 9,216,575 km (0.112 R)
• M12: 10,077,062 km (0.035 R)
• M13: 11,525,170 km (0.099 R)
• M14: 12,854,646 km (0.062 R)
• M15: 13,883,879 km (0.112 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 103.6

Radius: 9.7

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 2.03 AU - 2.93 AU

Year: 2649 Days

Day: 12.9 Hours

Environment

Temp: -209 °C

Axial Tilt: 22.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 44,981,461 km

• M1: 120,576 km (0.077 R)
• M2: 446,101 km (0.093 R)
• M3: 983,606 km (0.058 R)
• M4: 1,824,795 km (0.038 R)
• M5: 3,127,942 km (0.101 R)
• M6: 3,452,868 km (0.11 R)
• M7: 3,879,073 km (0.057 R)
• M8: 4,513,517 km (0.098 R)
• M9: 5,196,282 km (0.117 R)
• M10: 6,651,720 km (0.109 R)
• M11: 7,144,346 km (0.102 R)
• M12: 7,661,057 km (0.106 R)
• M13: 8,361,923 km (0.086 R)
• M14: 9,477,923 km (0.07 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 342.8

Radius: 15

Gravity: 1.52 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 2.07 AU - 3.09 AU

Year: 2811 Days

Day: 13.2 Hours

Environment

Temp: -199 °C

Axial Tilt: 25.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 44,981,461 km

• M1: 188,643 km (0.054 R)
• M2: 662,868 km (0.051 R)
• M3: 1,374,056 km (0.046 R)
• M4: 1,862,493 km (0.065 R)
• M5: 2,365,890 km (0.106 R)
• M6: 3,129,139 km (0.088 R)
• M7: 3,604,112 km (0.09 R)
• M8: 4,378,730 km (0.073 R)
• M9: 5,019,906 km (0.075 R)
• M10: 5,489,494 km (0.079 R)
• M11: 6,701,386 km (0.063 R)
• M12: 7,847,007 km (0.05 R)
• M13: 8,701,959 km (0.059 R)
• M14: 9,754,380 km (0.09 R)
• M15: 12,072,548 km (0.106 R)
• M16: 13,339,193 km (0.066 R)
• M17: 13,852,763 km (0.116 R)
• M18: 14,965,023 km (0.068 R)
• M19: 15,566,706 km (0.089 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 521.2

Radius: 9

Gravity: 6.43 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 2.55 AU - 3.53 AU

Year: 3595 Days

Day: 14.1 Hours

Environment

Temp: -221 °C

Axial Tilt: 24 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 44,981,461 km

• M1: 118,033 km (0.113 R)
• M2: 423,960 km (0.096 R)
• M3: 712,235 km (0.045 R)
• M4: 1,235,978 km (0.074 R)
• M5: 1,520,662 km (0.11 R)
• M6: 1,974,243 km (0.105 R)
• M7: 3,616,828 km (0.086 R)
• M8: 3,915,874 km (0.031 R)
• M9: 4,632,896 km (0.072 R)
• M10: 5,133,002 km (0.088 R)
• M11: 8,431,186 km (0.089 R)
• M12: 9,250,684 km (0.069 R)
• M13: 9,889,766 km (0.029 R)
• M14: 11,382,304 km (0.089 R)
• M15: 12,248,924 km (0.052 R)
• M16: 12,607,660 km (0.118 R)
• M17: 13,967,056 km (0.118 R)
• M18: 14,457,737 km (0.116 R)
• M19: 15,893,128 km (0.052 R)
• M20: 18,104,933 km (0.096 R)
• M21: 18,570,780 km (0.109 R)
• M22: 19,284,512 km (0.109 R)
• M23: 20,703,298 km (0.103 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 573

Radius: 13.5

Gravity: 3.14 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 4.99 AU - 5.25 AU

Year: 7858 Days

Day: 13.3 Hours

Environment

Temp: -226 °C

Axial Tilt: 41 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 44,981,461 km

• M1: 174,282 km (0.075 R)
• M2: 780,602 km (0.11 R)
• M3: 3,169,979 km (0.075 R)
• M4: 3,610,694 km (0.119 R)
• M5: 4,402,516 km (0.102 R)
• M6: 6,298,220 km (0.106 R)
• M7: 7,561,724 km (0.074 R)
• M8: 12,911,343 km (0.106 R)
• M9: 16,581,278 km (0.097 R)
• M10: 18,129,616 km (0.117 R)
• M11: 18,761,069 km (0.052 R)
• M12: 21,512,323 km (0.091 R)
• M13: 22,140,784 km (0.105 R)
• M14: 25,469,037 km (0.113 R)
• M15: 26,798,813 km (0.073 R)
• M16: 27,895,665 km (0.036 R)
• M17: 32,174,463 km (0.119 R)
• M18: 33,622,720 km (0.109 R)
• M19: 37,659,469 km (0.069 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 339.5

Radius: 3.1

Gravity: 35.33 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 5.71 AU - 8.55 AU

Year: 12913 Days

Day: 23 Hours

Environment

Temp: -237 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 44,981,461 km

• M1: 38,596 km (0.082 R)
• M2: 137,331 km (0.063 R)
• M3: 300,692 km (0.077 R)
• M4: 485,146 km (0.106 R)
• M5: 683,363 km (0.064 R)
• M6: 903,721 km (0.12 R)
• M7: 1,004,101 km (0.111 R)
• M8: 1,169,107 km (0.107 R)
• M9: 1,624,483 km (0.082 R)
• M10: 1,998,628 km (0.073 R)
• M11: 2,152,863 km (0.092 R)
• M12: 2,370,827 km (0.115 R)
• M13: 3,840,925 km (0.082 R)
• M14: 4,615,842 km (0.066 R)
• M15: 5,423,820 km (0.067 R)
• M16: 5,965,215 km (0.101 R)
• M17: 6,654,113 km (0.071 R)
• M18: 6,767,508 km (0.081 R)
• M19: 7,037,084 km (0.072 R)
• M20: 8,807,425 km (0.106 R)
• M21: 9,892,608 km (0.099 R)
• M22: 10,958,343 km (0.06 R)
• M23: 11,764,975 km (0.046 R)
• M24: 13,860,542 km (0.082 R)
• M25: 19,767,414 km (0.116 R)
• M26: 20,080,522 km (0.085 R)
• M27: 24,728,079 km (0.088 R)
• M28: 26,676,442 km (0.11 R)
• M29: 28,030,602 km (0.101 R)
• M30: 28,924,898 km (0.068 R)
• M31: 29,838,193 km (0.114 R)
• M32: 31,721,929 km (0.103 R)
• M33: 34,017,957 km (0.112 R)
• M34: 35,035,073 km (0.093 R)
• M35: 35,955,998 km (0.037 R)
• M36: 39,677,095 km (0.117 R)
• M37: 44,712,410 km (0.096 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 415 - 11,493 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit