🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 23.6

Radius: 11.1

Gravity: 0.19 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 0.61 AU - 0.83 AU

Year: 407 Days

Day: 7.1 Hours

Environment

Temp: -154 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 16,000,355 km

• M1: 138,228 km (0.114 R)
• M2: 677,678 km (0.097 R)
• M3: 1,217,278 km (0.09 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 207.9

Radius: 13

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 1.78 AU - 2.56 AU

Year: 2132 Days

Day: 10.3 Hours

Environment

Temp: -209 °C

Axial Tilt: 1.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 16,000,355 km

• M1: 161,715 km (0.109 R)
• M2: 591,510 km (0.049 R)
• M3: 1,107,473 km (0.078 R)
• M4: 1,527,993 km (0.116 R)
• M5: 2,249,503 km (0.109 R)
• M6: 2,683,786 km (0.086 R)
• M7: 3,555,044 km (0.114 R)
• M8: 4,462,654 km (0.103 R)
• M9: 4,904,716 km (0.09 R)
• M10: 5,498,619 km (0.115 R)
• M11: 5,986,009 km (0.092 R)
• M12: 6,595,022 km (0.099 R)
• M13: 7,072,539 km (0.106 R)
• M14: 8,617,735 km (0.07 R)
• M15: 10,665,879 km (0.042 R)
• M16: 11,291,946 km (0.101 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 475.4

Radius: 9.9

Gravity: 4.85 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 2.73 AU - 3.55 AU

Year: 3710 Days

Day: 7.2 Hours

Environment

Temp: -207 °C

Axial Tilt: 9.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 16,000,355 km

• M1: 123,119 km (0.116 R)
• M2: 431,889 km (0.072 R)
• M3: 759,808 km (0.099 R)
• M4: 1,200,224 km (0.102 R)
• M5: 2,532,991 km (0.111 R)
• M6: 3,099,518 km (0.119 R)
• M7: 3,650,487 km (0.027 R)
• M8: 4,507,982 km (0.082 R)
• M9: 5,862,142 km (0.111 R)
• M10: 6,302,708 km (0.118 R)
• M11: 6,884,344 km (0.109 R)
• M12: 7,565,164 km (0.12 R)
• M13: 9,840,249 km (0.057 R)
• M14: 13,599,643 km (0.064 R)
• M15: 14,921,939 km (0.089 R)
• M16: 15,278,281 km (0.11 R)
• M17: 16,870,451 km (0.103 R)
• M18: 21,010,722 km (0.05 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 619.8

Radius: 8.6

Gravity: 8.38 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 3.96 AU - 4.62 AU

Year: 5925 Days

Day: 14.4 Hours

Environment

Temp: -213 °C

Axial Tilt: 45 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 16,000,355 km

• M1: 106,962 km (0.096 R)
• M2: 404,513 km (0.107 R)
• M3: 679,922 km (0.118 R)
• M4: 1,165,218 km (0.082 R)
• M5: 1,640,640 km (0.058 R)
• M6: 3,989,326 km (0.113 R)
• M7: 5,098,894 km (0.11 R)
• M8: 5,770,738 km (0.053 R)
• M9: 6,144,134 km (0.096 R)
• M10: 6,700,489 km (0.094 R)
• M11: 7,397,764 km (0.099 R)
• M12: 9,737,026 km (0.055 R)
• M13: 10,769,551 km (0.094 R)
• M14: 11,529,807 km (0.068 R)
• M15: 11,873,433 km (0.12 R)
• M16: 15,517,638 km (0.114 R)
• M17: 16,610,749 km (0.043 R)
• M18: 17,689,499 km (0.077 R)
• M19: 18,679,538 km (0.103 R)
• M20: 20,339,775 km (0.105 R)
• M21: 25,491,627 km (0.111 R)
• M22: 27,443,430 km (0.091 R)
• M23: 28,589,649 km (0.103 R)
• M24: 30,043,890 km (0.104 R)
• M25: 30,789,187 km (0.1 R)
• M26: 31,071,777 km (0.084 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 802.5

Radius: 8.9

Gravity: 10.13 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 4.67 AU - 6.75 AU

Year: 9099 Days

Day: 14.2 Hours

Environment

Temp: -219 °C

Axial Tilt: 29 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 16,000,355 km

• M1: 116,238 km (0.062 R)
• M2: 555,307 km (0.072 R)
• M3: 1,149,809 km (0.087 R)
• M4: 1,691,054 km (0.109 R)
• M5: 2,157,650 km (0.09 R)
• M6: 3,162,948 km (0.088 R)
• M7: 3,926,944 km (0.105 R)
• M8: 5,511,036 km (0.068 R)
• M9: 5,921,832 km (0.093 R)
• M10: 7,400,008 km (0.098 R)
• M11: 8,159,367 km (0.052 R)
• M12: 17,705,357 km (0.119 R)
• M13: 18,676,995 km (0.102 R)
• M14: 20,726,486 km (0.084 R)
• M15: 21,386,212 km (0.096 R)
• M16: 24,437,859 km (0.114 R)
• M17: 28,066,954 km (0.063 R)
• M18: 29,489,929 km (0.082 R)
• M19: 31,931,067 km (0.041 R)
• M20: 36,017,632 km (0.114 R)
• M21: 37,332,597 km (0.099 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 27.2

Radius: 6.8

Gravity: 0.59 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 4.49 AU - 7.41 AU

Year: 9678 Days

Day: 15 Hours

Environment

Temp: -221 °C

Axial Tilt: 24.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 16,000,355 km

• M1: 89,310 km (0.114 R)
• M2: 755,320 km (0.096 R)
• M3: 1,238,670 km (0.072 R)
• M4: 2,283,911 km (0.108 R)
• M5: 2,576,823 km (0.07 R)
• M6: 11,380,508 km (0.108 R)
• M7: 13,601,438 km (0.102 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 406 - 15,569 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit