🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 38.4

Radius: 11.5

Gravity: 0.29 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 0.5 AU - 0.71 AU

Year: 315 Days

Day: 8.6 Hours

Environment

Temp: -147 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 70,664,053 km

• M1: 143,165 km (0.094 R)
• M2: 551,119 km (0.062 R)
• M3: 959,371 km (0.083 R)
• M4: 1,369,120 km (0.09 R)
• M5: 1,760,767 km (0.038 R)

Asteroid Belt

Center: 1.33 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 2.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 699.5

Radius: 8.6

Gravity: 9.46 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 1.92 AU - 2.18 AU

Year: 1991 Days

Day: 10.9 Hours

Environment

Temp: -197 °C

Axial Tilt: 9.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 70,664,053 km

• M1: 106,962 km (0.119 R)
• M2: 432,338 km (0.06 R)
• M3: 1,047,335 km (0.076 R)
• M4: 1,335,610 km (0.109 R)
• M5: 2,042,310 km (0.114 R)
• M6: 2,445,925 km (0.084 R)
• M7: 3,150,830 km (0.097 R)
• M8: 3,551,005 km (0.094 R)
• M9: 4,060,385 km (0.094 R)
• M10: 4,617,787 km (0.076 R)
• M11: 5,225,304 km (0.087 R)
• M12: 5,643,131 km (0.081 R)
• M13: 6,625,540 km (0.12 R)
• M14: 6,976,945 km (0.063 R)
• M15: 8,635,986 km (0.036 R)
• M16: 9,832,320 km (0.06 R)
• M17: 10,397,950 km (0.111 R)
• M18: 12,225,736 km (0.084 R)
• M19: 16,164,349 km (0.032 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 650.2

Radius: 13.9

Gravity: 3.37 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 1.93 AU - 2.67 AU

Year: 2366 Days

Day: 13.3 Hours

Environment

Temp: -208 °C

Axial Tilt: 26.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 70,664,053 km

• M1: 172,935 km (0.079 R)
• M2: 640,428 km (0.073 R)
• M3: 1,376,001 km (0.1 R)
• M4: 1,932,804 km (0.09 R)
• M5: 2,725,972 km (0.072 R)
• M6: 3,512,857 km (0.118 R)
• M7: 4,283,735 km (0.085 R)
• M8: 4,851,160 km (0.108 R)
• M9: 5,612,912 km (0.06 R)
• M10: 6,268,001 km (0.102 R)
• M11: 6,861,905 km (0.118 R)
• M12: 8,038,043 km (0.088 R)
• M13: 8,971,983 km (0.089 R)
• M14: 9,413,446 km (0.074 R)
• M15: 10,451,206 km (0.108 R)
• M16: 11,017,285 km (0.105 R)
• M17: 13,533,072 km (0.08 R)
• M18: 16,061,276 km (0.086 R)
• M19: 17,021,395 km (0.077 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.39 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 48.8

Radius: 4.2

Gravity: 2.77 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 5.3 AU - 7.48 AU

Year: 10956 Days

Day: 23.5 Hours

Environment

Temp: -223 °C

Axial Tilt: 27.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 70,664,053 km

• M1: 54,902 km (0.091 R)
• M2: 401,521 km (0.112 R)
• M3: 550,221 km (0.112 R)
• M4: 768,634 km (0.064 R)
• M5: 932,444 km (0.093 R)
• M6: 1,410,558 km (0.104 R)
• M7: 1,727,107 km (0.081 R)
• M8: 2,485,269 km (0.079 R)
• M9: 2,653,866 km (0.115 R)
• M10: 3,499,842 km (0.065 R)
• M11: 4,312,907 km (0.052 R)
• M12: 6,942,239 km (0.071 R)
• M13: 9,335,805 km (0.109 R)
• M14: 10,010,342 km (0.115 R)
• M15: 11,539,830 km (0.118 R)
• M16: 11,794,745 km (0.115 R)
• M17: 13,034,462 km (0.114 R)
• M18: 13,875,801 km (0.066 R)
• M19: 14,554,826 km (0.11 R)
• M20: 15,614,278 km (0.101 R)
• M21: 17,660,477 km (0.114 R)
• M22: 18,170,008 km (0.105 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 182.4

Radius: 7.3

Gravity: 3.42 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 7.15 AU - 9.85 AU

Year: 16808 Days

Day: 19.2 Hours

Environment

Temp: -239 °C

Axial Tilt: 49.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 70,664,053 km

• M1: 93,499 km (0.047 R)
• M2: 820,694 km (0.117 R)
• M3: 1,056,011 km (0.085 R)
• M4: 1,313,021 km (0.082 R)
• M5: 1,611,917 km (0.11 R)
• M6: 2,258,778 km (0.047 R)
• M7: 2,812,739 km (0.101 R)
• M8: 3,045,364 km (0.083 R)
• M9: 3,501,488 km (0.098 R)
• M10: 4,108,107 km (0.05 R)
• M11: 4,812,264 km (0.106 R)
• M12: 5,463,613 km (0.094 R)
• M13: 7,771,609 km (0.104 R)
• M14: 8,104,913 km (0.097 R)
• M15: 9,025,389 km (0.098 R)
• M16: 10,209,905 km (0.064 R)
• M17: 10,711,656 km (0.066 R)
• M18: 10,968,516 km (0.108 R)
• M19: 12,427,993 km (0.092 R)
• M20: 13,058,099 km (0.065 R)
• M21: 21,458,169 km (0.089 R)
• M22: 22,869,176 km (0.092 R)
• M23: 24,252,956 km (0.095 R)
• M24: 25,783,193 km (0.059 R)
• M25: 31,698,891 km (0.072 R)
• M26: 34,521,354 km (0.107 R)
• M27: 34,969,998 km (0.039 R)
• M28: 35,878,805 km (0.106 R)
• M29: 38,820,498 km (0.113 R)
• M30: 39,062,547 km (0.117 R)
• M31: 39,427,566 km (0.08 R)
• M32: 41,035,444 km (0.1 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 645.8

Radius: 6.1

Gravity: 17.36 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 8.22 AU - 9.86 AU

Year: 18435 Days

Day: 18.8 Hours

Environment

Temp: -224 °C

Axial Tilt: 24.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 70,664,053 km

• M1: 77,043 km (0.118 R)
• M2: 323,730 km (0.033 R)
• M3: 552,465 km (0.119 R)
• M4: 767,587 km (0.063 R)
• M5: 2,098,409 km (0.099 R)
• M6: 2,521,472 km (0.103 R)
• M7: 3,287,563 km (0.099 R)
• M8: 3,480,245 km (0.119 R)
• M9: 5,048,479 km (0.051 R)
• M10: 6,129,922 km (0.099 R)
• M11: 9,275,218 km (0.101 R)
• M12: 10,644,487 km (0.03 R)
• M13: 14,573,226 km (0.103 R)
• M14: 16,256,202 km (0.11 R)
• M15: 16,495,260 km (0.112 R)
• M16: 16,736,711 km (0.105 R)
• M17: 22,963,572 km (0.065 R)
• M18: 24,391,484 km (0.085 R)
• M19: 25,661,720 km (0.114 R)
• M20: 34,222,009 km (0.076 R)
• M21: 38,995,976 km (0.076 R)
• M22: 39,856,613 km (0.075 R)
• M23: 41,023,626 km (0.099 R)
• M24: 44,817,428 km (0.063 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: 497 - 15,339 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit