🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.46 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 330.6

Radius: 11.9

Gravity: 2.33 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 0.75 AU - 1.07 AU

Year: 610 Days

Day: 8.4 Hours

Environment

Temp: -175 °C

Axial Tilt: 20 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 71,917,688 km

• M1: 147,952 km (0.069 R)
• M2: 1,037,312 km (0.097 R)
• M3: 1,430,754 km (0.104 R)
• M4: 1,887,028 km (0.119 R)
• M5: 2,366,489 km (0.099 R)
• M6: 2,791,795 km (0.101 R)
• M7: 3,514,204 km (0.117 R)
• M8: 4,399,823 km (0.105 R)
• M9: 4,895,441 km (0.107 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 541.8

Radius: 11.1

Gravity: 4.4 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 0.87 AU - 1.11 AU

Year: 692 Days

Day: 12.9 Hours

Environment

Temp: -176 °C

Axial Tilt: 12.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 71,917,688 km

• M1: 139,276 km (0.09 R)
• M2: 607,517 km (0.056 R)
• M3: 1,211,892 km (0.037 R)
• M4: 1,691,204 km (0.073 R)
• M5: 2,344,647 km (0.098 R)
• M6: 3,320,624 km (0.118 R)
• M7: 3,727,829 km (0.106 R)
• M8: 4,227,785 km (0.045 R)
• M9: 4,611,953 km (0.064 R)
• M10: 5,362,635 km (0.114 R)
• M11: 5,832,372 km (0.064 R)
• M12: 6,192,903 km (0.102 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 184.8

Radius: 13.1

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 0.92 AU - 1.1 AU

Year: 713 Days

Day: 5.1 Hours

Environment

Temp: -172 °C

Axial Tilt: 103 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 71,917,688 km

• M1: 164,109 km (0.073 R)
• M2: 624,272 km (0.047 R)
• M3: 1,844,991 km (0.113 R)
• M4: 2,281,517 km (0.082 R)
• M5: 3,246,274 km (0.072 R)
• M6: 3,718,853 km (0.109 R)
• M7: 4,211,180 km (0.105 R)
• M8: 4,950,194 km (0.071 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 894.1

Radius: 14.3

Gravity: 4.37 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 1.81 AU - 1.85 AU

Year: 1740 Days

Day: 6.1 Hours

Environment

Temp: -193 °C

Axial Tilt: 166 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 71,917,688 km

• M1: 178,171 km (0.12 R)
• M2: 717,023 km (0.076 R)
• M3: 1,435,242 km (0.098 R)
• M4: 2,879,460 km (0.047 R)
• M5: 3,361,614 km (0.083 R)
• M6: 3,843,468 km (0.102 R)
• M7: 4,799,698 km (0.108 R)
• M8: 5,391,507 km (0.1 R)
• M9: 5,885,031 km (0.101 R)
• M10: 7,608,398 km (0.099 R)
• M11: 8,477,562 km (0.119 R)
• M12: 10,812,485 km (0.093 R)
• M13: 11,639,762 km (0.106 R)
• M14: 12,428,292 km (0.064 R)
• M15: 13,806,687 km (0.093 R)
• M16: 14,780,868 km (0.118 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 973.5

Radius: 10.8

Gravity: 8.35 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 3.76 AU - 5.02 AU

Year: 6466 Days

Day: 6.4 Hours

Environment

Temp: -221 °C

Axial Tilt: 24.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 71,917,688 km

• M1: 134,488 km (0.063 R)
• M2: 800,199 km (0.114 R)
• M3: 2,553,486 km (0.093 R)
• M4: 4,224,644 km (0.07 R)
• M5: 6,353,422 km (0.113 R)
• M6: 7,929,734 km (0.113 R)
• M7: 11,998,198 km (0.113 R)
• M8: 13,616,398 km (0.03 R)
• M9: 17,213,030 km (0.118 R)
• M10: 18,612,219 km (0.1 R)
• M11: 22,521,660 km (0.117 R)
• M12: 25,235,814 km (0.073 R)
• M13: 26,036,911 km (0.072 R)
• M14: 36,561,720 km (0.11 R)

Asteroid Belt

Center: 6.08 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Ice Giant

Semi-Major Axis: 7.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 998.2

Radius: 6.3

Gravity: 25.15 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 6.76 AU - 8.78 AU

Year: 15224 Days

Day: 16.7 Hours

Environment

Temp: -227 °C

Axial Tilt: 48.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 71,917,688 km

• M1: 78,389 km (0.109 R)
• M2: 772,523 km (0.086 R)
• M3: 1,083,986 km (0.077 R)
• M4: 2,076,718 km (0.044 R)
• M5: 2,302,461 km (0.094 R)
• M6: 2,567,249 km (0.108 R)
• M7: 3,002,728 km (0.109 R)
• M8: 3,866,806 km (0.107 R)
• M9: 4,177,969 km (0.112 R)
• M10: 4,472,228 km (0.105 R)
• M11: 4,676,130 km (0.11 R)
• M12: 9,551,974 km (0.071 R)
• M13: 10,121,343 km (0.099 R)
• M14: 10,773,590 km (0.104 R)
• M15: 11,390,531 km (0.097 R)
• M16: 11,771,707 km (0.108 R)
• M17: 13,806,986 km (0.026 R)
• M18: 17,956,083 km (0.076 R)
• M19: 18,734,590 km (0.079 R)
• M20: 19,087,641 km (0.042 R)
• M21: 21,204,900 km (0.058 R)
• M22: 21,491,978 km (0.034 R)
• M23: 22,074,213 km (0.107 R)
• M24: 22,369,220 km (0.034 R)
• M25: 25,251,073 km (0.061 R)
• M26: 26,008,338 km (0.065 R)
• M27: 28,371,087 km (0.095 R)
• M28: 29,426,051 km (0.065 R)
• M29: 34,301,146 km (0.034 R)
• M30: 35,903,040 km (0.118 R)
• M31: 42,203,205 km (0.096 R)
• M32: 46,897,137 km (0.101 R)
• M33: 50,893,794 km (0.052 R)
• M34: 51,236,672 km (0.036 R)
• M35: 57,676,561 km (0.072 R)
• M36: 69,783,966 km (0.11 R)
• M37: 71,487,586 km (0.079 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 323 - 19,579 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit