🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 599.1

Radius: 11.8

Gravity: 4.3 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 0.45 AU - 0.63 AU

Year: 265 Days

Day: 14.9 Hours

Environment

Temp: -135 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 38,501,855 km

• M1: 147,204 km (0.097 R)
• M2: 854,503 km (0.068 R)
• M3: 1,396,945 km (0.062 R)
• M4: 2,103,496 km (0.085 R)
• M5: 2,978,643 km (0.117 R)
• M6: 3,907,945 km (0.12 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 250.8

Radius: 13.3

Gravity: 1.42 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 0.88 AU - 1.28 AU

Year: 748 Days

Day: 10.7 Hours

Environment

Temp: -183 °C

Axial Tilt: 29.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 38,501,855 km

• M1: 165,455 km (0.043 R)
• M2: 601,234 km (0.061 R)
• M3: 1,156,541 km (0.103 R)
• M4: 1,570,628 km (0.078 R)
• M5: 2,395,212 km (0.099 R)
• M6: 2,998,689 km (0.115 R)
• M7: 3,614,584 km (0.063 R)
• M8: 4,342,078 km (0.092 R)
• M9: 5,229,044 km (0.102 R)
• M10: 5,931,556 km (0.105 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 890.3

Radius: 12.2

Gravity: 5.98 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 1.64 AU - 1.82 AU

Year: 1517 Days

Day: 14.6 Hours

Environment

Temp: -195 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 38,501,855 km

• M1: 152,141 km (0.039 R)
• M2: 662,120 km (0.099 R)
• M3: 1,181,823 km (0.037 R)
• M4: 1,916,648 km (0.103 R)
• M5: 4,122,618 km (0.113 R)
• M6: 4,824,232 km (0.032 R)
• M7: 5,929,162 km (0.103 R)
• M8: 6,390,821 km (0.112 R)
• M9: 6,772,146 km (0.093 R)
• M10: 7,441,746 km (0.12 R)
• M11: 8,513,316 km (0.102 R)
• M12: 10,053,426 km (0.063 R)
• M13: 10,465,867 km (0.111 R)
• M14: 12,820,687 km (0.08 R)
• M15: 14,400,740 km (0.101 R)
• M16: 14,881,547 km (0.105 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 643.1

Radius: 13.9

Gravity: 3.33 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 4.38 AU - 5.5 AU

Year: 7322 Days

Day: 6.4 Hours

Environment

Temp: -232 °C

Axial Tilt: 22 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 38,501,855 km

• M1: 173,085 km (0.068 R)
• M2: 646,861 km (0.076 R)
• M3: 1,612,665 km (0.108 R)
• M4: 2,494,245 km (0.071 R)
• M5: 3,190,623 km (0.047 R)
• M6: 3,867,255 km (0.102 R)
• M7: 5,633,706 km (0.078 R)
• M8: 9,754,080 km (0.073 R)
• M9: 10,310,285 km (0.105 R)
• M10: 11,690,924 km (0.05 R)
• M11: 12,695,773 km (0.071 R)
• M12: 14,104,686 km (0.109 R)
• M13: 16,442,751 km (0.08 R)
• M14: 19,100,207 km (0.099 R)
• M15: 20,269,165 km (0.086 R)
• M16: 25,080,233 km (0.068 R)
• M17: 26,126,371 km (0.076 R)
• M18: 29,058,489 km (0.057 R)
• M19: 33,753,020 km (0.078 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 248.9

Radius: 4.9

Gravity: 10.37 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 6.46 AU - 9.7 AU

Year: 15316 Days

Day: 21.4 Hours

Environment

Temp: -238 °C

Axial Tilt: 51.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 38,501,855 km

• M1: 60,886 km (0.113 R)
• M2: 413,189 km (0.109 R)
• M3: 627,713 km (0.094 R)
• M4: 896,091 km (0.088 R)
• M5: 1,399,937 km (0.083 R)
• M6: 1,706,912 km (0.098 R)
• M7: 2,249,802 km (0.098 R)
• M8: 2,571,139 km (0.086 R)
• M9: 3,235,054 km (0.119 R)
• M10: 3,496,102 km (0.111 R)
• M11: 6,933,263 km (0.083 R)
• M12: 7,694,866 km (0.067 R)
• M13: 9,477,474 km (0.099 R)
• M14: 10,721,530 km (0.118 R)
• M15: 11,737,000 km (0.102 R)
• M16: 14,712,951 km (0.12 R)
• M17: 16,650,841 km (0.087 R)
• M18: 17,072,109 km (0.044 R)
• M19: 19,208,367 km (0.109 R)
• M20: 20,221,443 km (0.108 R)
• M21: 20,460,202 km (0.111 R)
• M22: 21,848,619 km (0.051 R)
• M23: 22,779,866 km (0.049 R)
• M24: 23,561,216 km (0.049 R)
• M25: 26,012,377 km (0.095 R)
• M26: 26,579,203 km (0.113 R)
• M27: 29,639,976 km (0.096 R)
• M28: 33,813,906 km (0.11 R)
• M29: 35,633,914 km (0.098 R)
• M30: 40,090,584 km (0.057 R)
• M31: 45,311,400 km (0.11 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.2 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 210.2

Radius: 3

Gravity: 23.36 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 7.04 AU - 9.36 AU

Year: 15659 Days

Day: 16.6 Hours

Environment

Temp: -233 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 38,501,855 km

• M1: 40,092 km (0.075 R)
• M2: 162,014 km (0.117 R)
• M3: 291,417 km (0.112 R)
• M4: 1,067,082 km (0.087 R)
• M5: 1,674,898 km (0.03 R)
• M6: 2,334,325 km (0.106 R)
• M7: 2,641,150 km (0.043 R)
• M8: 2,930,921 km (0.118 R)
• M9: 3,697,461 km (0.114 R)
• M10: 4,086,565 km (0.093 R)
• M11: 7,977,456 km (0.065 R)
• M12: 8,104,165 km (0.115 R)
• M13: 10,418,594 km (0.086 R)
• M14: 14,978,038 km (0.119 R)
• M15: 17,688,452 km (0.083 R)
• M16: 18,267,097 km (0.095 R)
• M17: 20,470,673 km (0.117 R)
• M18: 23,791,597 km (0.069 R)
• M19: 28,131,580 km (0.083 R)
• M20: 29,218,259 km (0.099 R)
• M21: 29,924,212 km (0.063 R)
• M22: 33,515,458 km (0.103 R)
• M23: 38,695,883 km (0.065 R)
• M24: 41,792,110 km (0.118 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 120.4

Radius: 3.2

Gravity: 11.76 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 8.21 AU - 9.23 AU

Year: 17171 Days

Day: 19.7 Hours

Environment

Temp: -226 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 38,501,855 km

• M1: 40,990 km (0.074 R)
• M2: 167,101 km (0.085 R)
• M3: 267,930 km (0.077 R)
• M4: 564,882 km (0.087 R)
• M5: 987,645 km (0.067 R)
• M6: 1,646,773 km (0.076 R)
• M7: 1,941,032 km (0.092 R)
• M8: 3,140,658 km (0.107 R)
• M9: 3,406,344 km (0.116 R)
• M10: 4,135,932 km (0.039 R)
• M11: 4,620,480 km (0.104 R)
• M12: 5,141,828 km (0.077 R)
• M13: 6,579,614 km (0.11 R)
• M14: 7,466,879 km (0.101 R)
• M15: 7,622,161 km (0.118 R)
• M16: 8,727,091 km (0.098 R)
• M17: 10,897,606 km (0.062 R)
• M18: 12,186,991 km (0.1 R)
• M19: 16,331,001 km (0.072 R)
• M20: 16,724,593 km (0.086 R)
• M21: 18,082,194 km (0.112 R)
• M22: 18,574,221 km (0.105 R)
• M23: 20,480,098 km (0.105 R)
• M24: 28,833,045 km (0.081 R)
• M25: 29,892,198 km (0.07 R)
• M26: 35,908,575 km (0.044 R)
• M27: 37,359,525 km (0.079 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 464 - 14,356 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit