🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 416.9

Radius: 14.5

Gravity: 1.98 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 0.45 AU - 0.59 AU

Year: 254 Days

Day: 5.5 Hours

Environment

Temp: -140 °C

Axial Tilt: 10.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 79,862,214 km

• M1: 180,265 km (0.034 R)
• M2: 662,569 km (0.1 R)
• M3: 1,178,233 km (0.032 R)
• M4: 1,755,830 km (0.112 R)
• M5: 2,234,244 km (0.108 R)
• M6: 2,708,320 km (0.073 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 424.1

Radius: 14.3

Gravity: 2.07 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 0.47 AU - 0.59 AU

Year: 262 Days

Day: 6.9 Hours

Environment

Temp: -138 °C

Axial Tilt: 12 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 79,862,214 km

• M1: 178,021 km (0.059 R)
• M2: 648,208 km (0.08 R)
• M3: 1,109,268 km (0.082 R)
• M4: 1,692,401 km (0.101 R)
• M5: 2,280,171 km (0.088 R)
• M6: 3,122,108 km (0.102 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 104.8

Radius: 10.7

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 1.04 AU - 1.1 AU

Year: 751 Days

Day: 14.3 Hours

Environment

Temp: -180 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 79,862,214 km

• M1: 133,292 km (0.102 R)
• M2: 473,028 km (0.071 R)
• M3: 902,524 km (0.105 R)
• M4: 1,283,251 km (0.083 R)
• M5: 1,671,906 km (0.086 R)
• M6: 2,077,316 km (0.103 R)
• M7: 3,372,684 km (0.112 R)
• M8: 3,730,223 km (0.077 R)
• M9: 4,263,539 km (0.075 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 652.2

Radius: 13.2

Gravity: 3.74 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 2.22 AU - 3.18 AU

Year: 3009 Days

Day: 10.9 Hours

Environment

Temp: -214 °C

Axial Tilt: 16 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 79,862,214 km

• M1: 164,857 km (0.113 R)
• M2: 577,747 km (0.073 R)
• M3: 1,034,469 km (0.096 R)
• M4: 1,591,123 km (0.095 R)
• M5: 2,636,064 km (0.111 R)
• M6: 4,034,804 km (0.037 R)
• M7: 5,147,364 km (0.049 R)
• M8: 6,483,422 km (0.038 R)
• M9: 7,006,566 km (0.086 R)
• M10: 8,922,167 km (0.12 R)
• M11: 10,483,968 km (0.112 R)
• M12: 13,342,634 km (0.095 R)
• M13: 13,904,524 km (0.063 R)
• M14: 14,385,032 km (0.119 R)
• M15: 15,379,110 km (0.117 R)
• M16: 19,999,889 km (0.114 R)
• M17: 20,736,808 km (0.098 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 374.4

Radius: 8.7

Gravity: 4.95 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 3.49 AU - 4.09 AU

Year: 5004 Days

Day: 8.3 Hours

Environment

Temp: -219 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 79,862,214 km

• M1: 108,159 km (0.104 R)
• M2: 695,780 km (0.111 R)
• M3: 968,197 km (0.098 R)
• M4: 1,533,677 km (0.078 R)
• M5: 1,853,368 km (0.05 R)
• M6: 2,290,194 km (0.097 R)
• M7: 2,565,155 km (0.06 R)
• M8: 3,109,392 km (0.036 R)
• M9: 3,606,505 km (0.053 R)
• M10: 4,906,960 km (0.108 R)
• M11: 6,495,240 km (0.115 R)
• M12: 6,893,769 km (0.1 R)
• M13: 7,308,454 km (0.102 R)
• M14: 8,082,923 km (0.112 R)
• M15: 8,653,190 km (0.065 R)
• M16: 11,205,778 km (0.115 R)
• M17: 12,096,783 km (0.068 R)
• M18: 13,818,355 km (0.066 R)
• M19: 14,581,753 km (0.048 R)
• M20: 15,643,001 km (0.063 R)
• M21: 20,147,542 km (0.073 R)
• M22: 21,800,150 km (0.103 R)
• M23: 23,327,544 km (0.112 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 420

Radius: 6.5

Gravity: 9.94 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 6.4 AU - 9 AU

Year: 14492 Days

Day: 17.9 Hours

Environment

Temp: -224 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 79,862,214 km

• M1: 83,625 km (0.047 R)
• M2: 379,530 km (0.107 R)
• M3: 782,696 km (0.03 R)
• M4: 1,006,494 km (0.086 R)
• M5: 1,236,127 km (0.11 R)
• M6: 1,692,850 km (0.093 R)
• M7: 1,935,048 km (0.083 R)
• M8: 7,192,666 km (0.113 R)
• M9: 8,509,426 km (0.095 R)
• M10: 9,322,939 km (0.035 R)
• M11: 9,622,135 km (0.119 R)
• M12: 11,725,631 km (0.097 R)
• M13: 15,740,688 km (0.062 R)
• M14: 20,252,709 km (0.099 R)
• M15: 33,083,120 km (0.055 R)
• M16: 34,842,391 km (0.086 R)
• M17: 35,563,154 km (0.081 R)
• M18: 39,576,416 km (0.068 R)
• M19: 49,236,250 km (0.082 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 615.8

Radius: 6.1

Gravity: 16.55 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 8.22 AU - 12.54 AU

Year: 22682 Days

Day: 21.9 Hours

Environment

Temp: -232 °C

Axial Tilt: 43.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 79,862,214 km

• M1: 148,700 km (0.086 R)
• M2: 378,782 km (0.05 R)
• M3: 1,611,618 km (0.114 R)
• M4: 2,251,747 km (0.12 R)
• M5: 8,359,529 km (0.069 R)
• M6: 9,405,218 km (0.105 R)
• M7: 13,938,034 km (0.102 R)
• M8: 14,313,973 km (0.114 R)
• M9: 15,482,632 km (0.115 R)
• M10: 19,368,586 km (0.098 R)
• M11: 21,685,259 km (0.119 R)
• M12: 35,936,251 km (0.112 R)
• M13: 49,944,446 km (0.115 R)
• M14: 51,357,398 km (0.076 R)
• M15: 55,755,874 km (0.065 R)
• M16: 61,397,659 km (0.114 R)
• M17: 65,712,660 km (0.108 R)
• M18: 71,107,757 km (0.052 R)
• M19: 73,799,322 km (0.116 R)
• M20: 77,258,175 km (0.151 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 299 - 13,049 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit