🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.7

Radius: 1.69

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 0.61 AU - 0.65 AU

Year: 318 Days

Day: 31.5 Hours

Environment

Temp: -130 °C

Axial Tilt: 10.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 50,160,824 km

• M1: 149,897 km (0.111 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 50.5

Radius: 14.6

Gravity: 0.24 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 0.79 AU - 0.81 AU

Year: 455 Days

Day: 7.2 Hours

Environment

Temp: -137 °C

Axial Tilt: 4.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 50,160,824 km

• M1: 181,612 km (0.11 R)
• M2: 756,965 km (0.094 R)
• M3: 1,213,987 km (0.092 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 178.8

Radius: 8.7

Gravity: 2.36 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 3.06 AU - 3.48 AU

Year: 3760 Days

Day: 11.1 Hours

Environment

Temp: -211 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 50,160,824 km

• M1: 108,159 km (0.105 R)
• M2: 575,802 km (0.098 R)
• M3: 1,062,893 km (0.082 R)
• M4: 1,681,330 km (0.057 R)
• M5: 2,149,422 km (0.11 R)
• M6: 2,832,336 km (0.04 R)
• M7: 3,216,653 km (0.078 R)
• M8: 3,812,801 km (0.108 R)
• M9: 5,638,194 km (0.113 R)
• M10: 6,173,007 km (0.108 R)
• M11: 7,400,457 km (0.083 R)
• M12: 7,745,729 km (0.072 R)
• M13: 8,345,317 km (0.099 R)
• M14: 9,137,887 km (0.113 R)
• M15: 9,670,904 km (0.107 R)
• M16: 12,051,754 km (0.062 R)
• M17: 12,530,467 km (0.081 R)
• M18: 12,815,601 km (0.093 R)
• M19: 14,086,734 km (0.051 R)
• M20: 15,909,883 km (0.083 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 937.5

Radius: 14.5

Gravity: 4.46 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 3.69 AU - 3.85 AU

Year: 4654 Days

Day: 10 Hours

Environment

Temp: -206 °C

Axial Tilt: 171.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 50,160,824 km

• M1: 181,013 km (0.107 R)
• M2: 676,930 km (0.113 R)
• M3: 1,261,260 km (0.073 R)
• M4: 1,938,040 km (0.095 R)
• M5: 2,671,968 km (0.102 R)
• M6: 3,174,018 km (0.08 R)
• M7: 4,011,617 km (0.086 R)
• M8: 4,470,882 km (0.12 R)
• M9: 6,542,962 km (0.074 R)
• M10: 7,754,555 km (0.06 R)
• M11: 8,241,048 km (0.119 R)
• M12: 9,193,238 km (0.115 R)
• M13: 15,378,362 km (0.098 R)
• M14: 16,821,084 km (0.092 R)
• M15: 17,448,198 km (0.07 R)
• M16: 18,025,795 km (0.059 R)
• M17: 19,151,819 km (0.115 R)
• M18: 22,434,145 km (0.076 R)
• M19: 23,425,979 km (0.076 R)
• M20: 24,526,421 km (0.118 R)
• M21: 29,727,490 km (0.106 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 501.2

Radius: 12.4

Gravity: 3.26 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 4.24 AU - 5.44 AU

Year: 6770 Days

Day: 9.4 Hours

Environment

Temp: -214 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 50,160,824 km

• M1: 154,385 km (0.07 R)
• M2: 921,523 km (0.037 R)
• M3: 3,215,307 km (0.05 R)
• M4: 3,820,131 km (0.082 R)
• M5: 5,033,520 km (0.091 R)
• M6: 6,790,547 km (0.106 R)
• M7: 8,482,349 km (0.084 R)
• M8: 10,079,306 km (0.086 R)
• M9: 13,860,692 km (0.065 R)
• M10: 17,510,730 km (0.114 R)
• M11: 20,583,171 km (0.113 R)
• M12: 21,907,112 km (0.081 R)
• M13: 24,561,577 km (0.091 R)
• M14: 32,807,561 km (0.115 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 295.7

Radius: 4.3

Gravity: 15.99 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 8.09 AU - 9.37 AU

Year: 16400 Days

Day: 17.3 Hours

Environment

Temp: -225 °C

Axial Tilt: 6.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 50,160,824 km

• M1: 53,406 km (0.085 R)
• M2: 219,909 km (0.078 R)
• M3: 1,371,962 km (0.118 R)
• M4: 1,878,500 km (0.056 R)
• M5: 2,138,053 km (0.071 R)
• M6: 2,947,826 km (0.097 R)
• M7: 3,202,442 km (0.113 R)
• M8: 3,496,701 km (0.115 R)
• M9: 4,369,754 km (0.083 R)
• M10: 4,951,989 km (0.097 R)
• M11: 5,515,524 km (0.07 R)
• M12: 9,923,575 km (0.106 R)
• M13: 11,032,993 km (0.067 R)
• M14: 12,105,759 km (0.116 R)
• M15: 12,340,179 km (0.106 R)
• M16: 13,747,147 km (0.119 R)
• M17: 15,462,436 km (0.109 R)
• M18: 16,586,066 km (0.078 R)
• M19: 18,371,965 km (0.114 R)
• M20: 21,369,906 km (0.087 R)
• M21: 26,502,908 km (0.067 R)
• M22: 26,798,963 km (0.119 R)
• M23: 30,095,651 km (0.084 R)
• M24: 30,310,324 km (0.088 R)
• M25: 30,634,054 km (0.053 R)
• M26: 32,400,056 km (0.119 R)
• M27: 33,768,279 km (0.102 R)
• M28: 35,293,429 km (0.049 R)
• M29: 38,354,351 km (0.113 R)
• M30: 41,454,767 km (0.065 R)
• M31: 42,255,265 km (0.119 R)
• M32: 44,578,969 km (0.038 R)
• M33: 48,885,143 km (0.088 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 281.1

Radius: 4.7

Gravity: 12.73 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 7.45 AU - 10.23 AU

Year: 16711 Days

Day: 19.7 Hours

Environment

Temp: -224 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 50,160,824 km

• M1: 58,493 km (0.068 R)
• M2: 296,054 km (0.04 R)
• M3: 471,383 km (0.084 R)
• M4: 629,209 km (0.066 R)
• M5: 1,331,720 km (0.051 R)
• M6: 1,639,443 km (0.04 R)
• M7: 2,027,650 km (0.104 R)
• M8: 2,596,271 km (0.096 R)
• M9: 3,099,518 km (0.086 R)
• M10: 4,069,810 km (0.08 R)
• M11: 5,703,868 km (0.068 R)
• M12: 6,135,308 km (0.085 R)
• M13: 6,901,997 km (0.102 R)
• M14: 9,783,551 km (0.084 R)
• M15: 10,037,718 km (0.067 R)
• M16: 11,769,612 km (0.063 R)
• M17: 12,173,377 km (0.11 R)
• M18: 17,539,902 km (0.075 R)
• M19: 19,230,507 km (0.095 R)
• M20: 19,952,317 km (0.102 R)
• M21: 20,115,229 km (0.083 R)
• M22: 20,526,174 km (0.118 R)
• M23: 21,026,729 km (0.113 R)
• M24: 23,743,276 km (0.071 R)
• M25: 25,519,003 km (0.1 R)
• M26: 26,488,098 km (0.104 R)
• M27: 28,602,963 km (0.119 R)
• M28: 31,594,023 km (0.048 R)
• M29: 33,393,536 km (0.093 R)
• M30: 43,286,892 km (0.033 R)
• M31: 45,785,476 km (0.118 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 358 - 18,516 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit