🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 406.6

Radius: 13.6

Gravity: 2.2 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 0.47 AU - 0.65 AU

Year: 295 Days

Day: 6.3 Hours

Environment

Temp: -154 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 72,579,857 km

• M1: 169,195 km (0.081 R)
• M2: 670,797 km (0.101 R)
• M3: 1,136,495 km (0.058 R)
• M4: 1,939,237 km (0.067 R)
• M5: 2,481,081 km (0.07 R)
• M6: 2,909,828 km (0.056 R)
• M7: 3,338,276 km (0.075 R)
• M8: 3,776,598 km (0.107 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 421.4

Radius: 13.4

Gravity: 2.35 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 0.82 AU - 1.26 AU

Year: 746 Days

Day: 6 Hours

Environment

Temp: -187 °C

Axial Tilt: 19.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 72,579,857 km

• M1: 166,652 km (0.075 R)
• M2: 588,368 km (0.071 R)
• M3: 1,839,755 km (0.119 R)
• M4: 2,424,233 km (0.07 R)
• M5: 3,501,488 km (0.087 R)
• M6: 3,929,637 km (0.098 R)
• M7: 4,622,425 km (0.062 R)
• M8: 5,173,394 km (0.105 R)
• M9: 5,859,300 km (0.099 R)
• M10: 7,157,809 km (0.046 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 693.9

Radius: 12.3

Gravity: 4.59 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 2.05 AU - 2.79 AU

Year: 2646 Days

Day: 5.9 Hours

Environment

Temp: -207 °C

Axial Tilt: 9.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 72,579,857 km

• M1: 156,180 km (0.052 R)
• M2: 603,927 km (0.119 R)
• M3: 989,889 km (0.083 R)
• M4: 1,394,252 km (0.093 R)
• M5: 1,818,811 km (0.086 R)
• M6: 2,344,049 km (0.072 R)
• M7: 2,826,652 km (0.105 R)
• M8: 3,322,718 km (0.075 R)
• M9: 3,780,189 km (0.092 R)
• M10: 4,644,116 km (0.117 R)
• M11: 5,029,480 km (0.077 R)
• M12: 5,436,237 km (0.111 R)
• M13: 6,705,725 km (0.061 R)
• M14: 7,319,674 km (0.058 R)
• M15: 9,353,457 km (0.118 R)
• M16: 12,589,259 km (0.112 R)
• M17: 13,708,251 km (0.105 R)
• M18: 15,584,957 km (0.115 R)
• M19: 18,571,080 km (0.11 R)
• M20: 19,431,567 km (0.071 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 421.7

Radius: 7.4

Gravity: 7.7 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 6.05 AU - 7.15 AU

Year: 11919 Days

Day: 15.9 Hours

Environment

Temp: -224 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 72,579,857 km

• M1: 92,451 km (0.059 R)
• M2: 324,777 km (0.093 R)
• M3: 708,795 km (0.082 R)
• M4: 1,874,162 km (0.078 R)
• M5: 3,505,527 km (0.104 R)
• M6: 3,780,039 km (0.117 R)
• M7: 4,458,166 km (0.045 R)
• M8: 5,408,262 km (0.099 R)
• M9: 6,160,141 km (0.114 R)
• M10: 6,487,162 km (0.057 R)
• M11: 7,215,554 km (0.096 R)
• M12: 11,694,664 km (0.074 R)
• M13: 13,605,627 km (0.086 R)
• M14: 14,667,024 km (0.105 R)
• M15: 15,850,044 km (0.095 R)
• M16: 19,701,292 km (0.075 R)
• M17: 22,990,650 km (0.098 R)
• M18: 23,425,979 km (0.106 R)
• M19: 24,493,211 km (0.093 R)
• M20: 27,692,660 km (0.108 R)
• M21: 32,997,850 km (0.099 R)
• M22: 34,224,702 km (0.089 R)
• M23: 34,792,276 km (0.116 R)
• M24: 35,481,623 km (0.044 R)
• M25: 35,829,737 km (0.046 R)
• M26: 40,818,078 km (0.047 R)
• M27: 43,411,357 km (0.098 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.49 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 786.5

Radius: 7.7

Gravity: 13.27 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 8.01 AU - 8.97 AU

Year: 17389 Days

Day: 18.7 Hours

Environment

Temp: -229 °C

Axial Tilt: 47.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 72,579,857 km

• M1: 157,975 km (0.054 R)
• M2: 766,988 km (0.059 R)
• M3: 1,048,531 km (0.101 R)
• M4: 1,399,338 km (0.092 R)
• M5: 1,756,129 km (0.064 R)
• M6: 2,112,172 km (0.109 R)
• M7: 3,620,418 km (0.116 R)
• M8: 5,239,067 km (0.061 R)
• M9: 5,620,841 km (0.073 R)
• M10: 9,598,199 km (0.037 R)
• M11: 11,509,462 km (0.083 R)
• M12: 12,287,371 km (0.092 R)
• M13: 13,661,128 km (0.1 R)
• M14: 13,947,757 km (0.075 R)
• M15: 14,607,185 km (0.103 R)
• M16: 15,752,357 km (0.057 R)
• M17: 16,629,299 km (0.098 R)
• M18: 17,204,054 km (0.065 R)
• M19: 18,048,086 km (0.07 R)
• M20: 22,686,517 km (0.105 R)
• M21: 26,148,361 km (0.113 R)
• M22: 27,150,368 km (0.049 R)
• M23: 27,947,126 km (0.072 R)
• M24: 31,414,805 km (0.094 R)
• M25: 33,966,795 km (0.105 R)
• M26: 35,833,178 km (0.075 R)
• M27: 40,944,937 km (0.113 R)
• M28: 41,541,234 km (0.06 R)
• M29: 42,751,182 km (0.073 R)
• M30: 47,991,595 km (0.081 R)
• M31: 50,168,244 km (0.075 R)
• M32: 51,367,271 km (0.093 R)
• M33: 53,822,322 km (0.092 R)
• M34: 54,537,849 km (0.102 R)
• M35: 57,836,482 km (0.12 R)
• M36: 58,587,164 km (0.034 R)
• M37: 64,828,088 km (0.061 R)
• M38: 67,071,757 km (0.094 R)
• M39: 68,317,159 km (0.093 R)
• M40: 69,577,970 km (0.107 R)
• M41: 71,498,058 km (0.056 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 254 - 13,277 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit