🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.84 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.45

Radius: 0.73

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 1.5 AU - 1.86 AU

Year: 994 Days

Day: 45.7 Hours

Environment

Temp: -127 °C

Axial Tilt: 9.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.31 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 6.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 392

Radius: 8.4

Gravity: 5.56 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 6.43 AU - 7.45 AU

Year: 8347 Days

Day: 13 Hours

Environment

Temp: -190 °C

Axial Tilt: 15.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 66,135,022 km

• M1: 104,868 km (0.1 R)
• M2: 449,242 km (0.091 R)
• M3: 729,888 km (0.101 R)
• M4: 1,132,157 km (0.106 R)
• M5: 1,989,203 km (0.062 R)
• M6: 2,338,813 km (0.103 R)
• M7: 3,039,978 km (0.089 R)
• M8: 3,850,500 km (0.104 R)
• M9: 4,319,339 km (0.093 R)
• M10: 5,674,098 km (0.064 R)
• M11: 11,509,761 km (0.084 R)
• M12: 15,914,221 km (0.113 R)
• M13: 18,181,826 km (0.097 R)
• M14: 19,216,594 km (0.114 R)
• M15: 19,712,661 km (0.064 R)
• M16: 28,034,342 km (0.115 R)
• M17: 30,167,757 km (0.107 R)
• M18: 31,420,190 km (0.108 R)

Planet 3 - Gas Giant

Semi-Major Axis: 7.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 672.4

Radius: 10

Gravity: 6.72 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 5.78 AU - 8.24 AU

Year: 8474 Days

Day: 6.9 Hours

Environment

Temp: -196 °C

Axial Tilt: 167.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 66,135,022 km

• M1: 138,378 km (0.069 R)
• M2: 571,165 km (0.059 R)
• M3: 989,740 km (0.107 R)
• M4: 1,638,994 km (0.101 R)
• M5: 2,908,183 km (0.083 R)
• M6: 3,320,774 km (0.064 R)
• M7: 4,456,221 km (0.05 R)
• M8: 4,769,629 km (0.061 R)
• M9: 5,766,400 km (0.11 R)
• M10: 6,564,803 km (0.091 R)
• M11: 7,395,670 km (0.095 R)
• M12: 7,836,535 km (0.088 R)
• M13: 8,380,323 km (0.096 R)
• M14: 8,904,364 km (0.114 R)
• M15: 12,632,493 km (0.079 R)
• M16: 13,975,732 km (0.104 R)
• M17: 14,713,250 km (0.073 R)
• M18: 15,155,311 km (0.087 R)
• M19: 19,391,325 km (0.099 R)
• M20: 21,174,681 km (0.107 R)
• M21: 22,728,255 km (0.104 R)
• M22: 25,514,515 km (0.088 R)
• M23: 26,522,655 km (0.101 R)
• M24: 30,311,670 km (0.096 R)
• M25: 30,822,098 km (0.071 R)
• M26: 31,546,451 km (0.086 R)
• M27: 32,070,642 km (0.051 R)
• M28: 38,465,053 km (0.05 R)
• M29: 42,530,226 km (0.098 R)

Planet 4 - Ice Giant

Semi-Major Axis: 10.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 368.2

Radius: 6.1

Gravity: 9.9 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 10.07 AU - 11.27 AU

Year: 15913 Days

Day: 23.3 Hours

Environment

Temp: -201 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 66,135,022 km

• M1: 76,295 km (0.066 R)
• M2: 400,922 km (0.103 R)
• M3: 846,425 km (0.077 R)
• M4: 1,303,745 km (0.059 R)
• M5: 1,671,457 km (0.075 R)
• M6: 1,964,818 km (0.088 R)
• M7: 2,330,735 km (0.107 R)
• M8: 2,784,615 km (0.079 R)
• M9: 3,009,610 km (0.118 R)
• M10: 4,263,988 km (0.107 R)
• M11: 4,909,503 km (0.079 R)
• M12: 5,618,298 km (0.111 R)
• M13: 6,015,779 km (0.062 R)
• M14: 6,354,768 km (0.09 R)
• M15: 8,017,847 km (0.103 R)
• M16: 9,796,267 km (0.066 R)
• M17: 11,137,113 km (0.118 R)
• M18: 11,362,557 km (0.081 R)
• M19: 11,590,843 km (0.038 R)
• M20: 12,175,322 km (0.111 R)
• M21: 14,112,016 km (0.042 R)
• M22: 16,029,711 km (0.073 R)
• M23: 20,123,158 km (0.104 R)
• M24: 20,457,808 km (0.047 R)
• M25: 21,310,516 km (0.091 R)
• M26: 23,086,542 km (0.071 R)
• M27: 26,528,041 km (0.111 R)
• M28: 29,109,502 km (0.08 R)
• M29: 29,753,072 km (0.056 R)
• M30: 31,068,635 km (0.087 R)
• M31: 32,767,020 km (0.09 R)
• M32: 34,885,625 km (0.074 R)
• M33: 35,733,695 km (0.106 R)
• M34: 41,515,952 km (0.105 R)
• M35: 47,743,562 km (0.097 R)
• M36: 49,392,280 km (0.117 R)
• M37: 51,544,994 km (0.068 R)

Planet 5 - Ice Giant

Semi-Major Axis: 11.16 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 621

Radius: 6.3

Gravity: 15.65 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 10.09 AU - 12.23 AU

Year: 17021 Days

Day: 18.9 Hours

Environment

Temp: -205 °C

Axial Tilt: 44.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 66,135,022 km

• M1: 79,436 km (0.069 R)
• M2: 288,125 km (0.087 R)
• M3: 510,278 km (0.108 R)
• M4: 882,029 km (0.031 R)
• M5: 1,148,014 km (0.116 R)
• M6: 1,623,586 km (0.119 R)
• M7: 2,814,534 km (0.085 R)
• M8: 3,185,986 km (0.117 R)
• M9: 4,564,680 km (0.097 R)
• M10: 4,799,698 km (0.111 R)
• M11: 5,478,274 km (0.111 R)
• M12: 5,860,197 km (0.051 R)
• M13: 7,338,075 km (0.067 R)
• M14: 7,755,004 km (0.067 R)
• M15: 8,892,546 km (0.106 R)
• M16: 11,128,586 km (0.102 R)
• M17: 11,929,383 km (0.098 R)
• M18: 12,571,008 km (0.111 R)
• M19: 12,900,273 km (0.11 R)
• M20: 17,476,023 km (0.048 R)
• M21: 21,310,217 km (0.12 R)
• M22: 22,158,137 km (0.103 R)
• M23: 29,075,693 km (0.084 R)
• M24: 34,794,969 km (0.075 R)
• M25: 41,801,684 km (0.069 R)
• M26: 43,128,468 km (0.105 R)
• M27: 48,555,430 km (0.119 R)
• M28: 49,529,312 km (0.047 R)
• M29: 52,020,715 km (0.088 R)
• M30: 59,438,974 km (0.096 R)
• M31: 60,366,481 km (0.064 R)
• M32: 63,399,278 km (0.096 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: 410 - 13,256 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit