🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 182

Radius: 10.8

Gravity: 1.56 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 0.73 AU - 0.91 AU

Year: 487 Days

Day: 6.2 Hours

Environment

Temp: -158 °C

Axial Tilt: 0.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 60,451,725 km

• M1: 134,339 km (0.104 R)
• M2: 494,122 km (0.119 R)
• M3: 1,181,374 km (0.096 R)
• M4: 1,914,254 km (0.095 R)
• M5: 2,871,531 km (0.074 R)
• M6: 3,352,937 km (0.113 R)
• M7: 4,074,448 km (0.038 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 376.3

Radius: 14.3

Gravity: 1.84 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 1.43 AU - 2.35 AU

Year: 1705 Days

Day: 10.3 Hours

Environment

Temp: -189 °C

Axial Tilt: 43.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 60,451,725 km

• M1: 178,470 km (0.088 R)
• M2: 670,348 km (0.108 R)
• M3: 1,268,590 km (0.106 R)
• M4: 1,727,407 km (0.101 R)
• M5: 4,221,502 km (0.112 R)
• M6: 5,798,862 km (0.077 R)
• M7: 6,497,036 km (0.029 R)
• M8: 7,250,560 km (0.112 R)
• M9: 7,793,750 km (0.087 R)
• M10: 8,817,149 km (0.046 R)
• M11: 9,316,656 km (0.039 R)
• M12: 10,276,177 km (0.088 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 940

Radius: 10.7

Gravity: 8.21 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 1.74 AU - 2.36 AU

Year: 1925 Days

Day: 7 Hours

Environment

Temp: -187 °C

Axial Tilt: 4.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 60,451,725 km

• M1: 133,142 km (0.054 R)
• M2: 648,058 km (0.064 R)
• M3: 1,252,882 km (0.099 R)
• M4: 1,871,469 km (0.102 R)
• M5: 2,323,405 km (0.067 R)
• M6: 3,018,287 km (0.053 R)
• M7: 3,608,301 km (0.037 R)
• M8: 4,056,197 km (0.102 R)
• M9: 4,416,129 km (0.034 R)
• M10: 5,247,295 km (0.101 R)
• M11: 6,795,334 km (0.099 R)
• M12: 7,422,149 km (0.119 R)
• M13: 8,056,145 km (0.039 R)
• M14: 8,693,132 km (0.077 R)
• M15: 10,359,054 km (0.076 R)
• M16: 11,861,765 km (0.054 R)
• M17: 14,450,107 km (0.104 R)
• M18: 16,421,657 km (0.113 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 192.1

Radius: 11.9

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 2.27 AU - 3.29 AU

Year: 3041 Days

Day: 12.5 Hours

Environment

Temp: -208 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 60,451,725 km

• M1: 148,401 km (0.055 R)
• M2: 586,872 km (0.112 R)
• M3: 1,039,705 km (0.091 R)
• M4: 1,700,629 km (0.086 R)
• M5: 2,358,710 km (0.073 R)
• M6: 2,816,928 km (0.071 R)
• M7: 3,287,862 km (0.116 R)
• M8: 4,484,944 km (0.077 R)
• M9: 6,557,323 km (0.115 R)
• M10: 8,350,852 km (0.089 R)
• M11: 10,045,198 km (0.112 R)
• M12: 11,259,334 km (0.112 R)
• M13: 13,564,937 km (0.105 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 339.5

Radius: 10.9

Gravity: 2.86 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 2.21 AU - 3.47 AU

Year: 3140 Days

Day: 9.7 Hours

Environment

Temp: -194 °C

Axial Tilt: 46.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 60,451,725 km

• M1: 137,032 km (0.06 R)
• M2: 648,507 km (0.116 R)
• M3: 1,030,580 km (0.098 R)
• M4: 1,414,597 km (0.047 R)
• M5: 2,335,223 km (0.119 R)
• M6: 2,753,498 km (0.052 R)
• M7: 3,238,345 km (0.085 R)
• M8: 3,742,939 km (0.103 R)
• M9: 4,587,568 km (0.078 R)
• M10: 5,847,482 km (0.077 R)
• M11: 6,202,328 km (0.109 R)
• M12: 6,706,772 km (0.082 R)
• M13: 7,618,571 km (0.072 R)
• M14: 7,981,046 km (0.075 R)
• M15: 8,839,140 km (0.107 R)
• M16: 9,375,897 km (0.102 R)
• M17: 10,113,414 km (0.098 R)
• M18: 12,434,575 km (0.08 R)
• M19: 13,152,046 km (0.075 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 899.7

Radius: 7.4

Gravity: 16.43 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 6.57 AU - 7.59 AU

Year: 12358 Days

Day: 21.4 Hours

Environment

Temp: -223 °C

Axial Tilt: 46.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 60,451,725 km

• M1: 92,302 km (0.055 R)
• M2: 643,121 km (0.119 R)
• M3: 885,470 km (0.119 R)
• M4: 1,610,271 km (0.084 R)
• M5: 1,890,169 km (0.084 R)
• M6: 2,221,977 km (0.073 R)
• M7: 2,527,755 km (0.094 R)
• M8: 2,838,320 km (0.114 R)
• M9: 3,300,578 km (0.117 R)
• M10: 4,595,946 km (0.106 R)
• M11: 5,163,969 km (0.076 R)
• M12: 5,629,069 km (0.061 R)
• M13: 6,358,807 km (0.048 R)
• M14: 6,809,097 km (0.059 R)
• M15: 7,911,932 km (0.115 R)
• M16: 8,288,620 km (0.099 R)
• M17: 9,334,907 km (0.027 R)
• M18: 9,916,843 km (0.041 R)
• M19: 10,244,313 km (0.119 R)
• M20: 10,806,202 km (0.079 R)
• M21: 11,094,627 km (0.044 R)
• M22: 11,929,981 km (0.049 R)
• M23: 12,551,710 km (0.113 R)
• M24: 13,591,415 km (0.073 R)
• M25: 22,062,544 km (0.113 R)
• M26: 25,863,078 km (0.05 R)
• M27: 26,903,531 km (0.085 R)
• M28: 32,051,045 km (0.078 R)
• M29: 34,108,315 km (0.089 R)
• M30: 35,867,436 km (0.089 R)
• M31: 46,331,209 km (0.084 R)
• M32: 47,400,534 km (0.044 R)
• M33: 50,225,840 km (0.036 R)
• M34: 55,180,671 km (0.118 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 187 - 16,107 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit