🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 701.7

Radius: 14.1

Gravity: 3.53 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 0.61 AU - 0.81 AU

Year: 406 Days

Day: 12.4 Hours

Environment

Temp: -156 °C

Axial Tilt: 2.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 31,715,247 km

• M1: 175,329 km (0.119 R)
• M2: 738,565 km (0.112 R)
• M3: 1,271,283 km (0.107 R)
• M4: 1,999,974 km (0.061 R)
• M5: 2,709,965 km (0.119 R)
• M6: 3,394,974 km (0.108 R)
• M7: 5,269,735 km (0.065 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 316.5

Radius: 11.4

Gravity: 2.44 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 0.84 AU - 1.2 AU

Year: 699 Days

Day: 14.5 Hours

Environment

Temp: -166 °C

Axial Tilt: 9.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 31,715,247 km

• M1: 141,819 km (0.065 R)
• M2: 523,293 km (0.12 R)
• M3: 886,966 km (0.061 R)
• M4: 1,297,762 km (0.072 R)
• M5: 1,767,648 km (0.102 R)
• M6: 2,713,257 km (0.103 R)
• M7: 3,706,138 km (0.093 R)
• M8: 4,091,053 km (0.098 R)
• M9: 4,926,407 km (0.08 R)
• M10: 5,577,906 km (0.066 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 974.8

Radius: 8.5

Gravity: 13.49 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 0.93 AU - 1.21 AU

Year: 751 Days

Day: 6.5 Hours

Environment

Temp: -173 °C

Axial Tilt: 58.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 31,715,247 km

• M1: 105,766 km (0.037 R)
• M2: 372,349 km (0.049 R)
• M3: 754,871 km (0.102 R)
• M4: 1,919,041 km (0.09 R)
• M5: 2,422,289 km (0.094 R)
• M6: 2,858,516 km (0.082 R)
• M7: 3,473,214 km (0.059 R)
• M8: 3,781,834 km (0.096 R)
• M9: 4,370,502 km (0.099 R)
• M10: 5,092,611 km (0.117 R)
• M11: 5,570,576 km (0.087 R)
• M12: 6,375,712 km (0.047 R)
• M13: 7,327,154 km (0.09 R)
• M14: 8,632,545 km (0.062 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 885.3

Radius: 8.9

Gravity: 11.18 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 1.82 AU - 2.72 AU

Year: 2320 Days

Day: 8.7 Hours

Environment

Temp: -209 °C

Axial Tilt: 5.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 31,715,247 km

• M1: 111,450 km (0.077 R)
• M2: 428,149 km (0.099 R)
• M3: 1,127,818 km (0.088 R)
• M4: 1,441,974 km (0.074 R)
• M5: 1,957,039 km (0.11 R)
• M6: 2,305,602 km (0.111 R)
• M7: 2,590,287 km (0.081 R)
• M8: 3,817,588 km (0.079 R)
• M9: 4,177,371 km (0.076 R)
• M10: 4,782,046 km (0.069 R)
• M11: 5,224,855 km (0.069 R)
• M12: 5,618,746 km (0.105 R)
• M13: 6,521,719 km (0.037 R)
• M14: 6,949,719 km (0.102 R)
• M15: 7,426,637 km (0.076 R)
• M16: 7,704,440 km (0.04 R)
• M17: 8,150,391 km (0.09 R)
• M18: 8,989,635 km (0.038 R)
• M19: 9,305,436 km (0.106 R)
• M20: 9,738,073 km (0.098 R)
• M21: 10,071,228 km (0.091 R)
• M22: 11,563,018 km (0.105 R)
• M23: 11,978,900 km (0.097 R)
• M24: 15,027,854 km (0.112 R)
• M25: 18,055,266 km (0.1 R)
• M26: 18,502,414 km (0.108 R)
• M27: 18,785,603 km (0.048 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 884.5

Radius: 10.4

Gravity: 8.18 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 3.58 AU - 4.76 AU

Year: 5776 Days

Day: 13 Hours

Environment

Temp: -219 °C

Axial Tilt: 45 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 31,715,247 km

• M1: 147,055 km (0.088 R)
• M2: 529,277 km (0.052 R)
• M3: 973,134 km (0.115 R)
• M4: 1,344,885 km (0.114 R)
• M5: 1,812,229 km (0.075 R)
• M6: 2,236,189 km (0.101 R)
• M7: 2,633,521 km (0.075 R)
• M8: 3,057,631 km (0.114 R)
• M9: 3,416,217 km (0.049 R)
• M10: 4,269,822 km (0.105 R)
• M11: 4,802,391 km (0.076 R)
• M12: 7,240,088 km (0.115 R)
• M13: 8,116,881 km (0.052 R)
• M14: 10,172,805 km (0.102 R)
• M15: 11,520,981 km (0.112 R)
• M16: 12,448,338 km (0.104 R)
• M17: 15,104,149 km (0.086 R)
• M18: 15,714,508 km (0.071 R)
• M19: 16,596,388 km (0.1 R)
• M20: 19,727,471 km (0.079 R)
• M21: 20,089,947 km (0.104 R)
• M22: 21,053,208 km (0.103 R)
• M23: 21,814,960 km (0.105 R)
• M24: 24,542,727 km (0.04 R)
• M25: 25,643,319 km (0.054 R)
• M26: 31,250,546 km (0.029 R)
• M27: 34,600,342 km (0.106 R)
• M28: 35,447,066 km (0.11 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 535.1

Radius: 14.4

Gravity: 2.58 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 3.84 AU - 5.42 AU

Year: 6757 Days

Day: 5 Hours

Environment

Temp: -231 °C

Axial Tilt: 19.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 31,715,247 km

• M1: 179,069 km (0.117 R)
• M2: 694,882 km (0.057 R)
• M3: 1,148,014 km (0.114 R)
• M4: 1,836,912 km (0.041 R)
• M5: 2,613,325 km (0.109 R)
• M6: 3,118,816 km (0.116 R)
• M7: 4,230,777 km (0.115 R)
• M8: 4,824,681 km (0.069 R)
• M9: 5,357,100 km (0.078 R)
• M10: 5,990,946 km (0.105 R)
• M11: 7,592,990 km (0.084 R)
• M12: 11,142,947 km (0.114 R)
• M13: 12,281,536 km (0.079 R)
• M14: 13,118,237 km (0.092 R)
• M15: 14,501,419 km (0.074 R)
• M16: 14,964,125 km (0.065 R)
• M17: 17,622,031 km (0.032 R)
• M18: 19,235,294 km (0.065 R)
• M19: 19,723,881 km (0.091 R)
• M20: 22,216,181 km (0.041 R)
• M21: 27,907,333 km (0.11 R)
• M22: 28,896,474 km (0.091 R)
• M23: 33,790,569 km (0.098 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 131.3

Radius: 5.8

Gravity: 3.9 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 6.58 AU - 7.22 AU

Year: 12293 Days

Day: 22.8 Hours

Environment

Temp: -224 °C

Axial Tilt: 25.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 31,715,247 km

• M1: 72,106 km (0.083 R)
• M2: 292,613 km (0.115 R)
• M3: 2,097,362 km (0.117 R)
• M4: 6,838,867 km (0.035 R)
• M5: 7,079,270 km (0.101 R)
• M6: 7,797,490 km (0.075 R)
• M7: 11,493,455 km (0.068 R)
• M8: 18,296,418 km (0.115 R)
• M9: 27,373,867 km (0.049 R)
• M10: 30,961,823 km (0.049 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 209 - 17,493 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit