🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.48 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 420.9

Radius: 14.6

Gravity: 1.97 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 0.81 AU - 1.11 AU

Year: 607 Days

Day: 12.7 Hours

Environment

Temp: -150 °C

Axial Tilt: 14.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 83,490,979 km

• M1: 181,612 km (0.104 R)
• M2: 709,543 km (0.11 R)
• M3: 1,255,425 km (0.106 R)
• M4: 1,868,627 km (0.099 R)
• M5: 3,027,861 km (0.036 R)
• M6: 4,698,869 km (0.093 R)
• M7: 5,179,677 km (0.078 R)
• M8: 5,659,287 km (0.074 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 666.4

Radius: 12.3

Gravity: 4.4 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 1.63 AU - 1.91 AU

Year: 1520 Days

Day: 7.7 Hours

Environment

Temp: -181 °C

Axial Tilt: 5.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 83,490,979 km

• M1: 153,039 km (0.11 R)
• M2: 836,102 km (0.034 R)
• M3: 1,363,884 km (0.12 R)
• M4: 1,795,174 km (0.118 R)
• M5: 2,259,377 km (0.117 R)
• M6: 3,418,910 km (0.058 R)
• M7: 4,122,469 km (0.102 R)
• M8: 5,796,469 km (0.084 R)
• M9: 7,912,979 km (0.054 R)
• M10: 8,426,250 km (0.112 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 664.6

Radius: 12.7

Gravity: 4.12 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 1.7 AU - 2.42 AU

Year: 1909 Days

Day: 7.5 Hours

Environment

Temp: -187 °C

Axial Tilt: 26.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 83,490,979 km

• M1: 157,975 km (0.102 R)
• M2: 561,890 km (0.07 R)
• M3: 1,019,360 km (0.073 R)
• M4: 1,457,682 km (0.089 R)
• M5: 1,990,250 km (0.117 R)
• M6: 2,411,667 km (0.113 R)
• M7: 2,820,518 km (0.101 R)
• M8: 3,471,867 km (0.089 R)
• M9: 4,240,800 km (0.071 R)
• M10: 4,676,429 km (0.067 R)
• M11: 5,318,952 km (0.059 R)
• M12: 5,779,564 km (0.075 R)
• M13: 6,623,895 km (0.11 R)
• M14: 8,222,198 km (0.109 R)
• M15: 8,620,278 km (0.071 R)
• M16: 10,556,075 km (0.062 R)
• M17: 12,246,231 km (0.117 R)
• M18: 14,023,753 km (0.075 R)
• M19: 14,816,622 km (0.094 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 589.2

Radius: 8.9

Gravity: 7.44 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 1.89 AU - 2.41 AU

Year: 2036 Days

Day: 5.8 Hours

Environment

Temp: -185 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 83,490,979 km

• M1: 110,702 km (0.081 R)
• M2: 614,398 km (0.11 R)
• M3: 1,068,727 km (0.102 R)
• M4: 1,435,840 km (0.091 R)
• M5: 1,875,658 km (0.069 R)
• M6: 2,200,734 km (0.033 R)
• M7: 2,509,205 km (0.119 R)
• M8: 3,843,618 km (0.099 R)
• M9: 4,452,033 km (0.097 R)
• M10: 4,779,502 km (0.092 R)
• M11: 5,101,138 km (0.087 R)
• M12: 6,054,974 km (0.073 R)
• M13: 6,959,293 km (0.117 R)
• M14: 7,289,306 km (0.028 R)
• M15: 7,774,751 km (0.101 R)
• M16: 8,100,276 km (0.078 R)
• M17: 9,628,418 km (0.08 R)
• M18: 10,389,423 km (0.061 R)
• M19: 11,759,141 km (0.093 R)
• M20: 12,628,454 km (0.117 R)
• M21: 12,913,887 km (0.114 R)
• M22: 13,203,508 km (0.099 R)
• M23: 13,968,552 km (0.118 R)
• M24: 14,317,863 km (0.082 R)
• M25: 15,400,951 km (0.12 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 951.4

Radius: 7.6

Gravity: 16.47 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 9.38 AU - 10.02 AU

Year: 19506 Days

Day: 16.3 Hours

Environment

Temp: -236 °C

Axial Tilt: 26.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 83,490,979 km

• M1: 94,695 km (0.096 R)
• M2: 442,511 km (0.084 R)
• M3: 693,985 km (0.083 R)
• M4: 1,366,577 km (0.071 R)
• M5: 2,086,741 km (0.075 R)
• M6: 3,519,140 km (0.059 R)
• M7: 4,284,633 km (0.081 R)
• M8: 4,598,788 km (0.091 R)
• M9: 5,552,923 km (0.111 R)
• M10: 6,496,437 km (0.066 R)
• M11: 9,088,819 km (0.109 R)
• M12: 10,026,648 km (0.071 R)
• M13: 10,834,925 km (0.075 R)
• M14: 11,092,233 km (0.108 R)
• M15: 11,353,581 km (0.077 R)
• M16: 11,820,775 km (0.073 R)
• M17: 12,300,685 km (0.026 R)
• M18: 14,351,522 km (0.085 R)
• M19: 16,535,053 km (0.077 R)
• M20: 17,048,772 km (0.107 R)
• M21: 19,023,912 km (0.106 R)
• M22: 20,260,189 km (0.033 R)
• M23: 25,177,022 km (0.044 R)
• M24: 29,441,310 km (0.106 R)
• M25: 29,817,100 km (0.088 R)
• M26: 32,670,679 km (0.086 R)
• M27: 35,277,422 km (0.034 R)
• M28: 39,064,791 km (0.077 R)
• M29: 44,414,860 km (0.057 R)
• M30: 44,909,131 km (0.117 R)
• M31: 46,245,040 km (0.092 R)
• M32: 58,490,972 km (0.062 R)
• M33: 59,482,956 km (0.031 R)
• M34: 70,027,661 km (0.084 R)
• M35: 75,037,245 km (0.032 R)
• M36: 81,751,945 km (0.095 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 469 - 12,176 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit