🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.76 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 3.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 131.9

Radius: 10.1

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 3.05 AU - 3.97 AU

Year: 4246 Days

Day: 9.2 Hours

Environment

Temp: -214 °C

Axial Tilt: 7.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 80,137,104 km

• M1: 125,662 km (0.102 R)
• M2: 583,282 km (0.11 R)
• M3: 2,231,851 km (0.096 R)
• M4: 3,043,718 km (0.119 R)
• M5: 4,938,375 km (0.06 R)
• M6: 5,491,588 km (0.044 R)
• M7: 5,866,780 km (0.081 R)
• M8: 6,774,390 km (0.118 R)
• M9: 7,124,299 km (0.089 R)
• M10: 8,677,724 km (0.095 R)
• M11: 9,517,267 km (0.071 R)
• M12: 15,130,179 km (0.107 R)

Planet 2 - Ice Giant

Semi-Major Axis: 7.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 764.4

Radius: 4.2

Gravity: 43.33 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 6.93 AU - 7.73 AU

Year: 12814 Days

Day: 24.8 Hours

Environment

Temp: -220 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 80,137,104 km

• M1: 52,509 km (0.12 R)
• M2: 227,239 km (0.063 R)
• M3: 371,751 km (0.088 R)
• M4: 784,042 km (0.065 R)
• M5: 935,286 km (0.086 R)
• M6: 1,244,505 km (0.115 R)
• M7: 1,380,489 km (0.098 R)
• M8: 1,541,456 km (0.084 R)
• M9: 1,866,533 km (0.115 R)
• M10: 2,832,187 km (0.073 R)
• M11: 3,475,159 km (0.103 R)
• M12: 3,719,003 km (0.079 R)
• M13: 5,645,375 km (0.111 R)
• M14: 6,452,306 km (0.07 R)
• M15: 6,655,310 km (0.058 R)
• M16: 9,177,680 km (0.08 R)
• M17: 9,908,765 km (0.11 R)
• M18: 12,964,899 km (0.102 R)
• M19: 14,986,116 km (0.063 R)
• M20: 16,519,794 km (0.076 R)
• M21: 20,325,115 km (0.033 R)
• M22: 21,203,853 km (0.09 R)
• M23: 22,199,426 km (0.099 R)
• M24: 26,493,932 km (0.048 R)
• M25: 33,077,286 km (0.059 R)
• M26: 38,375,594 km (0.079 R)
• M27: 40,534,141 km (0.1 R)
• M28: 48,569,941 km (0.089 R)
• M29: 52,060,657 km (0.059 R)
• M30: 54,869,956 km (0.072 R)
• M31: 55,715,034 km (0.059 R)

Planet 3 - Ice Giant

Semi-Major Axis: 8.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 22.2

Radius: 4.7

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 7.1 AU - 9.5 AU

Year: 15439 Days

Day: 19.5 Hours

Environment

Temp: -237 °C

Axial Tilt: 24 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 80,137,104 km

• M1: 61,186 km (0.089 R)
• M2: 257,907 km (0.06 R)
• M3: 539,600 km (0.049 R)
• M4: 916,287 km (0.064 R)
• M5: 2,171,862 km (0.099 R)
• M6: 3,245,975 km (0.054 R)
• M7: 3,671,730 km (0.049 R)
• M8: 7,436,959 km (0.106 R)
• M9: 9,207,599 km (0.072 R)
• M10: 11,782,179 km (0.074 R)

Planet 4 - Ice Giant

Semi-Major Axis: 8.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 756.6

Radius: 6.1

Gravity: 20.33 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 7.68 AU - 9.4 AU

Year: 16114 Days

Day: 21.6 Hours

Environment

Temp: -228 °C

Axial Tilt: 29.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 80,137,104 km

• M1: 76,295 km (0.071 R)
• M2: 270,623 km (0.066 R)
• M3: 485,894 km (0.062 R)
• M4: 850,763 km (0.105 R)
• M5: 1,177,485 km (0.102 R)
• M6: 1,601,445 km (0.103 R)
• M7: 2,263,416 km (0.072 R)
• M8: 2,845,052 km (0.1 R)
• M9: 4,142,215 km (0.116 R)
• M10: 5,910,163 km (0.04 R)
• M11: 6,568,543 km (0.092 R)
• M12: 8,426,998 km (0.043 R)
• M13: 9,807,337 km (0.116 R)
• M14: 10,434,451 km (0.049 R)
• M15: 11,579,922 km (0.066 R)
• M16: 13,834,961 km (0.073 R)
• M17: 15,822,219 km (0.106 R)
• M18: 16,366,905 km (0.115 R)
• M19: 19,722,086 km (0.041 R)
• M20: 20,904,208 km (0.117 R)
• M21: 31,496,485 km (0.078 R)
• M22: 31,863,748 km (0.092 R)
• M23: 32,233,853 km (0.08 R)
• M24: 36,361,857 km (0.094 R)
• M25: 37,720,654 km (0.067 R)
• M26: 38,972,340 km (0.066 R)
• M27: 41,411,683 km (0.087 R)
• M28: 54,265,431 km (0.091 R)
• M29: 57,666,239 km (0.102 R)
• M30: 62,353,739 km (0.085 R)
• M31: 63,515,366 km (0.083 R)
• M32: 65,086,593 km (0.109 R)
• M33: 66,281,880 km (0.116 R)

Asteroid Belt

Center: 9.17 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Ice Giant

Semi-Major Axis: 9.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 818.3

Radius: 5.8

Gravity: 24.33 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 9.04 AU - 10.54 AU

Year: 19778 Days

Day: 16.6 Hours

Environment

Temp: -220 °C

Axial Tilt: 19.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 80,137,104 km

• M1: 72,405 km (0.078 R)
• M2: 264,788 km (0.116 R)
• M3: 972,087 km (0.114 R)
• M4: 1,249,591 km (0.068 R)
• M5: 2,770,253 km (0.105 R)
• M6: 4,605,670 km (0.105 R)
• M7: 5,390,909 km (0.109 R)
• M8: 7,916,271 km (0.075 R)
• M9: 10,692,807 km (0.08 R)
• M10: 12,401,364 km (0.077 R)
• M11: 17,452,836 km (0.049 R)
• M12: 19,339,115 km (0.084 R)
• M13: 21,556,455 km (0.118 R)
• M14: 24,260,735 km (0.084 R)
• M15: 28,127,092 km (0.099 R)
• M16: 29,215,267 km (0.049 R)
• M17: 32,780,185 km (0.108 R)
• M18: 38,213,430 km (0.066 R)
• M19: 58,439,511 km (0.065 R)
• M20: 76,122,877 km (0.051 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 351 - 18,880 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit