🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.57 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 377.4

Radius: 9.4

Gravity: 4.27 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 0.89 AU - 1.39 AU

Year: 812 Days

Day: 8.5 Hours

Environment

Temp: -180 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 38,780,194 km

• M1: 116,986 km (0.053 R)
• M2: 417,228 km (0.113 R)
• M3: 1,356,254 km (0.1 R)
• M4: 1,795,025 km (0.098 R)
• M5: 2,346,443 km (0.112 R)
• M6: 2,668,078 km (0.087 R)
• M7: 3,138,713 km (0.087 R)
• M8: 3,664,101 km (0.097 R)
• M9: 4,490,928 km (0.109 R)
• M10: 4,857,892 km (0.061 R)
• M11: 5,454,937 km (0.111 R)
• M12: 5,948,161 km (0.113 R)
• M13: 6,451,109 km (0.112 R)
• M14: 7,193,862 km (0.108 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 175

Radius: 11.3

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 1.04 AU - 1.36 AU

Year: 877 Days

Day: 8.4 Hours

Environment

Temp: -181 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 38,780,194 km

• M1: 140,772 km (0.102 R)
• M2: 657,034 km (0.107 R)
• M3: 1,175,390 km (0.062 R)
• M4: 1,578,407 km (0.054 R)
• M5: 2,040,964 km (0.111 R)
• M6: 2,401,943 km (0.062 R)
• M7: 2,975,801 km (0.08 R)
• M8: 4,175,875 km (0.078 R)
• M9: 4,557,499 km (0.075 R)
• M10: 5,102,634 km (0.111 R)
• M11: 5,879,645 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 834.7

Radius: 10.8

Gravity: 7.16 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 1.12 AU - 1.7 AU

Year: 1116 Days

Day: 9 Hours

Environment

Temp: -198 °C

Axial Tilt: 46.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 38,780,194 km

• M1: 134,339 km (0.107 R)
• M2: 591,510 km (0.072 R)
• M3: 1,134,101 km (0.113 R)
• M4: 1,610,271 km (0.113 R)
• M5: 1,982,471 km (0.102 R)
• M6: 2,581,760 km (0.106 R)
• M7: 4,264,437 km (0.096 R)
• M8: 4,737,765 km (0.119 R)
• M9: 5,085,729 km (0.087 R)
• M10: 8,520,347 km (0.102 R)
• M11: 9,453,538 km (0.099 R)
• M12: 10,324,647 km (0.084 R)
• M13: 10,912,417 km (0.054 R)
• M14: 11,282,522 km (0.107 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 608.7

Radius: 11.5

Gravity: 4.6 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 1.25 AU - 1.59 AU

Year: 1128 Days

Day: 9.4 Hours

Environment

Temp: -189 °C

Axial Tilt: 17.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 38,780,194 km

• M1: 143,016 km (0.076 R)
• M2: 594,352 km (0.106 R)
• M3: 999,015 km (0.095 R)
• M4: 1,535,024 km (0.057 R)
• M5: 2,109,330 km (0.082 R)
• M6: 2,505,914 km (0.113 R)
• M7: 3,045,513 km (0.117 R)
• M8: 4,498,109 km (0.038 R)
• M9: 4,896,638 km (0.045 R)
• M10: 5,579,402 km (0.12 R)
• M11: 6,732,951 km (0.106 R)
• M12: 7,207,476 km (0.027 R)
• M13: 7,704,141 km (0.119 R)
• M14: 8,197,215 km (0.115 R)
• M15: 8,766,435 km (0.032 R)
• M16: 9,595,806 km (0.083 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 592.6

Radius: 13.4

Gravity: 3.3 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 3.13 AU - 4.41 AU

Year: 4881 Days

Day: 11 Hours

Environment

Temp: -226 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 38,780,194 km

• M1: 168,298 km (0.053 R)
• M2: 590,762 km (0.092 R)
• M3: 1,097,749 km (0.065 R)
• M4: 1,650,962 km (0.054 R)
• M5: 2,373,520 km (0.073 R)
• M6: 3,202,442 km (0.06 R)
• M7: 4,170,340 km (0.079 R)
• M8: 4,978,767 km (0.086 R)
• M9: 5,977,183 km (0.118 R)
• M10: 6,430,913 km (0.039 R)
• M11: 8,185,846 km (0.065 R)
• M12: 10,241,321 km (0.118 R)
• M13: 11,207,124 km (0.075 R)
• M14: 11,994,308 km (0.092 R)
• M15: 13,320,045 km (0.105 R)
• M16: 14,363,490 km (0.085 R)
• M17: 14,905,333 km (0.083 R)
• M18: 17,150,049 km (0.103 R)
• M19: 18,008,292 km (0.071 R)
• M20: 19,414,512 km (0.094 R)
• M21: 25,540,545 km (0.108 R)
• M22: 26,903,831 km (0.094 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 109.7

Radius: 9.2

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 4.39 AU - 4.45 AU

Year: 6197 Days

Day: 5 Hours

Environment

Temp: -227 °C

Axial Tilt: 19.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 38,780,194 km

• M1: 115,490 km (0.048 R)
• M2: 476,320 km (0.078 R)
• M3: 955,781 km (0.041 R)
• M4: 1,273,377 km (0.115 R)
• M5: 1,599,201 km (0.092 R)
• M6: 2,054,428 km (0.07 R)
• M7: 2,550,644 km (0.102 R)
• M8: 2,961,888 km (0.103 R)
• M9: 3,917,968 km (0.117 R)
• M10: 4,446,198 km (0.11 R)
• M11: 5,594,960 km (0.059 R)
• M12: 6,292,086 km (0.108 R)
• M13: 7,221,538 km (0.05 R)
• M14: 7,890,240 km (0.073 R)
• M15: 9,924,323 km (0.107 R)
• M16: 11,868,197 km (0.107 R)
• M17: 12,455,070 km (0.101 R)
• M18: 13,777,814 km (0.056 R)
• M19: 17,544,240 km (0.108 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 327.8

Radius: 3.5

Gravity: 26.76 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 5.3 AU - 7.28 AU

Year: 10520 Days

Day: 17.8 Hours

Environment

Temp: -237 °C

Axial Tilt: 12.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 38,780,194 km

• M1: 43,533 km (0.117 R)
• M2: 164,109 km (0.111 R)
• M3: 592,557 km (0.12 R)
• M4: 716,574 km (0.105 R)
• M5: 978,520 km (0.077 R)
• M6: 1,312,871 km (0.046 R)
• M7: 2,069,986 km (0.073 R)
• M8: 3,210,071 km (0.109 R)
• M9: 4,354,345 km (0.106 R)
• M10: 4,573,057 km (0.12 R)
• M11: 5,303,843 km (0.096 R)
• M12: 7,104,552 km (0.083 R)
• M13: 7,918,664 km (0.037 R)
• M14: 8,452,579 km (0.08 R)
• M15: 10,389,722 km (0.065 R)
• M16: 11,180,197 km (0.092 R)
• M17: 13,216,673 km (0.062 R)
• M18: 17,866,324 km (0.032 R)
• M19: 19,876,770 km (0.104 R)
• M20: 21,715,777 km (0.025 R)
• M21: 23,581,711 km (0.119 R)
• M22: 27,076,467 km (0.043 R)
• M23: 31,302,307 km (0.109 R)
• M24: 32,837,630 km (0.072 R)
• M25: 36,057,575 km (0.073 R)
• M26: 36,279,428 km (0.091 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: 198 - 16,698 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit