🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 351.1

Radius: 11.7

Gravity: 2.56 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 0.74 AU - 0.84 AU

Year: 476 Days

Day: 5.5 Hours

Environment

Temp: -162 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 43,294,176 km

• M1: 145,708 km (0.081 R)
• M2: 534,663 km (0.076 R)
• M3: 955,332 km (0.112 R)
• M4: 2,033,933 km (0.111 R)
• M5: 2,698,746 km (0.101 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 159.9

Radius: 9.4

Gravity: 1.81 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 1.04 AU - 1.22 AU

Year: 815 Days

Day: 13.4 Hours

Environment

Temp: -184 °C

Axial Tilt: 28.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 43,294,176 km

• M1: 196,721 km (0.117 R)
• M2: 491,130 km (0.073 R)
• M3: 1,020,257 km (0.12 R)
• M4: 1,533,528 km (0.093 R)
• M5: 1,963,322 km (0.098 R)
• M6: 3,165,790 km (0.097 R)
• M7: 3,804,423 km (0.045 R)
• M8: 5,321,645 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 195.8

Radius: 9.9

Gravity: 2 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 1.19 AU - 1.43 AU

Year: 1017 Days

Day: 8.6 Hours

Environment

Temp: -190 °C

Axial Tilt: 26.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 43,294,176 km

• M1: 123,119 km (0.114 R)
• M2: 638,035 km (0.051 R)
• M3: 1,100,741 km (0.113 R)
• M4: 1,441,375 km (0.102 R)
• M5: 1,844,841 km (0.112 R)
• M6: 2,687,077 km (0.065 R)
• M7: 3,053,891 km (0.113 R)
• M8: 4,526,233 km (0.109 R)
• M9: 5,315,661 km (0.049 R)
• M10: 5,970,750 km (0.087 R)
• M11: 6,858,913 km (0.107 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 627.7

Radius: 11.2

Gravity: 5 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 2.11 AU - 2.41 AU

Year: 2304 Days

Day: 8.9 Hours

Environment

Temp: -213 °C

Axial Tilt: 42 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 43,294,176 km

• M1: 139,276 km (0.042 R)
• M2: 504,294 km (0.097 R)
• M3: 870,959 km (0.088 R)
• M4: 1,558,361 km (0.09 R)
• M5: 2,047,247 km (0.094 R)
• M6: 2,827,549 km (0.081 R)
• M7: 3,371,188 km (0.073 R)
• M8: 4,797,604 km (0.043 R)
• M9: 6,809,695 km (0.062 R)
• M10: 7,640,262 km (0.026 R)
• M11: 10,101,447 km (0.04 R)
• M12: 11,374,973 km (0.113 R)
• M13: 12,794,807 km (0.046 R)
• M14: 13,438,227 km (0.103 R)
• M15: 13,923,672 km (0.087 R)
• M16: 14,420,636 km (0.075 R)
• M17: 15,450,468 km (0.101 R)
• M18: 16,428,539 km (0.107 R)
• M19: 16,831,107 km (0.103 R)
• M20: 17,343,629 km (0.077 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 867.7

Radius: 13

Gravity: 5.13 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 2 AU - 2.7 AU

Year: 2443 Days

Day: 5.9 Hours

Environment

Temp: -207 °C

Axial Tilt: 28.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 43,294,176 km

• M1: 161,715 km (0.071 R)
• M2: 693,835 km (0.108 R)
• M3: 1,171,950 km (0.079 R)
• M4: 1,619,696 km (0.069 R)
• M5: 2,093,473 km (0.057 R)
• M6: 2,813,338 km (0.066 R)
• M7: 3,750,119 km (0.088 R)
• M8: 5,607,826 km (0.065 R)
• M9: 8,211,427 km (0.094 R)
• M10: 8,712,879 km (0.062 R)
• M11: 9,630,961 km (0.096 R)
• M12: 10,341,850 km (0.12 R)
• M13: 11,493,904 km (0.065 R)
• M14: 12,598,085 km (0.105 R)
• M15: 13,086,074 km (0.119 R)
• M16: 13,818,355 km (0.072 R)
• M17: 14,626,034 km (0.103 R)
• M18: 15,066,301 km (0.037 R)
• M19: 15,565,958 km (0.104 R)
• M20: 18,570,930 km (0.102 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 829.5

Radius: 13

Gravity: 4.91 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 3.66 AU - 3.78 AU

Year: 4866 Days

Day: 10.7 Hours

Environment

Temp: -227 °C

Axial Tilt: 47.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 43,294,176 km

• M1: 161,865 km (0.095 R)
• M2: 652,995 km (0.067 R)
• M3: 1,365,230 km (0.117 R)
• M4: 1,942,379 km (0.117 R)
• M5: 2,474,947 km (0.057 R)
• M6: 3,046,411 km (0.086 R)
• M7: 3,999,050 km (0.065 R)
• M8: 4,712,183 km (0.073 R)
• M9: 5,224,406 km (0.081 R)
• M10: 8,025,028 km (0.059 R)
• M11: 10,901,945 km (0.081 R)
• M12: 11,417,010 km (0.101 R)
• M13: 11,948,382 km (0.114 R)
• M14: 12,496,060 km (0.067 R)
• M15: 13,481,760 km (0.062 R)
• M16: 14,185,468 km (0.088 R)
• M17: 19,135,512 km (0.114 R)
• M18: 21,156,879 km (0.097 R)
• M19: 22,182,073 km (0.114 R)
• M20: 23,393,965 km (0.118 R)
• M21: 24,016,143 km (0.103 R)
• M22: 25,131,694 km (0.096 R)
• M23: 26,364,830 km (0.09 R)
• M24: 29,669,297 km (0.116 R)
• M25: 30,398,587 km (0.082 R)
• M26: 31,420,789 km (0.116 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 483.4

Radius: 4.8

Gravity: 20.98 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 6 AU - 6.2 AU

Year: 10218 Days

Day: 24 Hours

Environment

Temp: -219 °C

Axial Tilt: 23 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 43,294,176 km

• M1: 188,793 km (0.108 R)
• M2: 351,555 km (0.061 R)
• M3: 501,452 km (0.074 R)
• M4: 735,274 km (0.117 R)
• M5: 4,323,079 km (0.051 R)
• M6: 5,335,408 km (0.117 R)
• M7: 8,626,860 km (0.105 R)
• M8: 10,921,841 km (0.103 R)
• M9: 11,607,149 km (0.102 R)
• M10: 12,098,129 km (0.091 R)
• M11: 19,951,868 km (0.089 R)
• M12: 20,655,726 km (0.107 R)
• M13: 21,133,990 km (0.046 R)
• M14: 22,030,082 km (0.118 R)
• M15: 24,959,806 km (0.105 R)
• M16: 25,868,464 km (0.045 R)
• M17: 26,987,605 km (0.105 R)
• M18: 29,122,816 km (0.045 R)
• M19: 36,894,276 km (0.088 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: 502 - 20,322 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit