🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.48 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 243

Radius: 11.7

Gravity: 1.78 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 0.82 AU - 1.08 AU

Year: 651 Days

Day: 12.6 Hours

Environment

Temp: -170 °C

Axial Tilt: 41.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 79,206,069 km

• M1: 145,559 km (0.112 R)
• M2: 696,827 km (0.062 R)
• M3: 1,248,843 km (0.087 R)
• M4: 1,633,758 km (0.06 R)
• M5: 2,148,824 km (0.101 R)
• M6: 3,521,534 km (0.115 R)
• M7: 4,458,615 km (0.058 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 697.4

Radius: 11.9

Gravity: 4.92 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 1.32 AU - 1.7 AU

Year: 1304 Days

Day: 13.3 Hours

Environment

Temp: -182 °C

Axial Tilt: 42 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 79,206,069 km

• M1: 148,102 km (0.108 R)
• M2: 638,185 km (0.079 R)
• M3: 1,108,670 km (0.089 R)
• M4: 1,494,632 km (0.103 R)
• M5: 1,871,021 km (0.097 R)
• M6: 4,017,900 km (0.101 R)
• M7: 4,759,905 km (0.09 R)
• M8: 6,212,500 km (0.106 R)
• M9: 6,636,012 km (0.079 R)
• M10: 7,753,209 km (0.089 R)
• M11: 10,260,918 km (0.073 R)
• M12: 11,575,434 km (0.108 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 150.1

Radius: 10.5

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 1.87 AU - 2.27 AU

Year: 2093 Days

Day: 10.4 Hours

Environment

Temp: -211 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 79,206,069 km

• M1: 147,504 km (0.117 R)
• M2: 969,993 km (0.11 R)
• M3: 1,954,347 km (0.087 R)
• M4: 3,580,475 km (0.087 R)
• M5: 4,633,495 km (0.108 R)
• M6: 4,977,420 km (0.065 R)
• M7: 6,753,745 km (0.04 R)
• M8: 9,452,790 km (0.058 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 238.1

Radius: 14

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 2.2 AU - 2.54 AU

Year: 2565 Days

Day: 12.4 Hours

Environment

Temp: -202 °C

Axial Tilt: 148 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 79,206,069 km

• M1: 174,282 km (0.12 R)
• M2: 614,249 km (0.104 R)
• M3: 1,212,341 km (0.06 R)
• M4: 1,678,039 km (0.058 R)
• M5: 2,117,558 km (0.092 R)
• M6: 3,003,177 km (0.069 R)
• M7: 3,548,312 km (0.094 R)
• M8: 4,509,777 km (0.073 R)
• M9: 5,186,857 km (0.108 R)
• M10: 5,660,634 km (0.069 R)
• M11: 6,116,309 km (0.094 R)
• M12: 7,525,072 km (0.114 R)
• M13: 7,993,014 km (0.112 R)
• M14: 10,228,156 km (0.102 R)
• M15: 12,469,431 km (0.048 R)
• M16: 13,205,453 km (0.075 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 637.8

Radius: 11.8

Gravity: 4.58 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 3.75 AU - 5.61 AU

Year: 7117 Days

Day: 13.2 Hours

Environment

Temp: -228 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 79,206,069 km

• M1: 146,756 km (0.087 R)
• M2: 1,034,469 km (0.114 R)
• M3: 1,767,499 km (0.091 R)
• M4: 2,202,081 km (0.104 R)
• M5: 3,205,733 km (0.115 R)
• M6: 5,018,560 km (0.053 R)
• M7: 7,397,615 km (0.08 R)
• M8: 10,258,524 km (0.059 R)
• M9: 11,026,261 km (0.06 R)
• M10: 13,003,047 km (0.056 R)
• M11: 13,787,688 km (0.036 R)
• M12: 14,902,641 km (0.093 R)
• M13: 16,140,264 km (0.109 R)
• M14: 17,579,545 km (0.036 R)
• M15: 18,819,412 km (0.041 R)
• M16: 21,627,065 km (0.057 R)
• M17: 23,701,838 km (0.107 R)
• M18: 25,128,104 km (0.099 R)
• M19: 29,846,271 km (0.035 R)
• M20: 35,230,897 km (0.047 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 725

Radius: 5.9

Gravity: 20.83 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 9.29 AU - 9.75 AU

Year: 20647 Days

Day: 15.3 Hours

Environment

Temp: -231 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 79,206,069 km

• M1: 89,609 km (0.091 R)
• M2: 276,906 km (0.094 R)
• M3: 504,743 km (0.045 R)
• M4: 838,047 km (0.101 R)
• M5: 1,648,269 km (0.119 R)
• M6: 2,363,048 km (0.055 R)
• M7: 4,913,392 km (0.069 R)
• M8: 5,291,277 km (0.117 R)
• M9: 5,770,289 km (0.096 R)
• M10: 7,284,369 km (0.116 R)
• M11: 8,500,749 km (0.119 R)
• M12: 9,846,681 km (0.104 R)
• M13: 11,787,863 km (0.118 R)
• M14: 14,345,987 km (0.045 R)
• M15: 15,117,314 km (0.059 R)
• M16: 16,574,696 km (0.097 R)
• M17: 18,212,194 km (0.092 R)
• M18: 19,672,419 km (0.057 R)
• M19: 20,527,221 km (0.097 R)
• M20: 21,110,653 km (0.098 R)
• M21: 22,107,424 km (0.111 R)
• M22: 25,843,780 km (0.101 R)
• M23: 26,182,320 km (0.103 R)
• M24: 31,366,186 km (0.115 R)
• M25: 31,880,503 km (0.087 R)
• M26: 32,794,247 km (0.036 R)
• M27: 33,457,414 km (0.109 R)
• M28: 33,725,194 km (0.077 R)
• M29: 37,915,580 km (0.054 R)
• M30: 38,940,924 km (0.085 R)
• M31: 41,353,788 km (0.108 R)
• M32: 43,227,502 km (0.053 R)
• M33: 45,484,185 km (0.092 R)
• M34: 72,967,857 km (0.137 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 489 - 10,839 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit