🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 556.5

Radius: 14.2

Gravity: 2.76 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 0.65 AU - 0.73 AU

Year: 370 Days

Day: 6 Hours

Environment

Temp: -135 °C

Axial Tilt: 15.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 20,086,977 km

• M1: 176,525 km (0.087 R)
• M2: 627,862 km (0.104 R)
• M3: 1,253,181 km (0.095 R)
• M4: 1,716,336 km (0.11 R)
• M5: 2,312,783 km (0.048 R)
• M6: 3,149,634 km (0.109 R)
• M7: 4,508,132 km (0.052 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 434.3

Radius: 10.6

Gravity: 3.87 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 1.06 AU - 1.3 AU

Year: 828 Days

Day: 9.1 Hours

Environment

Temp: -173 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 20,086,977 km

• M1: 143,165 km (0.113 R)
• M2: 584,329 km (0.03 R)
• M3: 1,075,758 km (0.107 R)
• M4: 1,460,524 km (0.099 R)
• M5: 2,081,954 km (0.11 R)
• M6: 2,496,340 km (0.096 R)
• M7: 3,049,702 km (0.098 R)
• M8: 4,903,669 km (0.107 R)
• M9: 6,376,160 km (0.116 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 238.7

Radius: 13.8

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 1.08 AU - 1.62 AU

Year: 1013 Days

Day: 10.4 Hours

Environment

Temp: -179 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 20,086,977 km

• M1: 171,738 km (0.054 R)
• M2: 668,553 km (0.117 R)
• M3: 1,597,107 km (0.105 R)
• M4: 2,128,030 km (0.086 R)
• M5: 2,865,398 km (0.12 R)
• M6: 4,582,482 km (0.096 R)
• M7: 5,690,404 km (0.041 R)
• M8: 6,784,862 km (0.113 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 294

Radius: 13.5

Gravity: 1.61 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 1.99 AU - 2.15 AU

Year: 1923 Days

Day: 6.5 Hours

Environment

Temp: -191 °C

Axial Tilt: 144.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 20,086,977 km

• M1: 167,849 km (0.116 R)
• M2: 606,470 km (0.066 R)
• M3: 1,448,855 km (0.087 R)
• M4: 2,707,871 km (0.06 R)
• M5: 3,919,165 km (0.089 R)
• M6: 4,807,627 km (0.115 R)
• M7: 6,158,645 km (0.116 R)
• M8: 7,410,929 km (0.114 R)
• M9: 8,428,942 km (0.12 R)
• M10: 9,266,990 km (0.037 R)
• M11: 10,287,397 km (0.093 R)
• M12: 10,974,949 km (0.116 R)
• M13: 11,553,743 km (0.073 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 983.3

Radius: 8.7

Gravity: 12.99 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 2.96 AU - 3.28 AU

Year: 3558 Days

Day: 5.8 Hours

Environment

Temp: -204 °C

Axial Tilt: 17.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 20,086,977 km

• M1: 122,521 km (0.081 R)
• M2: 505,940 km (0.117 R)
• M3: 823,835 km (0.071 R)
• M4: 1,423,274 km (0.114 R)
• M5: 2,140,596 km (0.056 R)
• M6: 2,605,546 km (0.112 R)
• M7: 3,212,614 km (0.064 R)
• M8: 3,932,778 km (0.072 R)
• M9: 4,908,605 km (0.103 R)
• M10: 5,195,983 km (0.063 R)
• M11: 5,662,429 km (0.087 R)
• M12: 7,812,599 km (0.087 R)
• M13: 8,611,601 km (0.081 R)
• M14: 8,992,178 km (0.114 R)
• M15: 10,802,462 km (0.115 R)
• M16: 11,471,614 km (0.085 R)
• M17: 17,189,693 km (0.097 R)
• M18: 18,600,401 km (0.11 R)
• M19: 20,086,955 km (0.046 R)
• M20: 23,736,694 km (0.073 R)
• M21: 24,184,441 km (0.113 R)
• M22: 24,713,867 km (0.096 R)
• M23: 26,989,700 km (0.115 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 857.3

Radius: 11.1

Gravity: 6.96 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 4.25 AU - 5.95 AU

Year: 7437 Days

Day: 7.6 Hours

Environment

Temp: -215 °C

Axial Tilt: 8.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 20,086,977 km

• M1: 139,425 km (0.119 R)
• M2: 512,822 km (0.076 R)
• M3: 863,778 km (0.046 R)
• M4: 1,337,106 km (0.097 R)
• M5: 1,755,531 km (0.095 R)
• M6: 2,366,638 km (0.092 R)
• M7: 3,029,506 km (0.098 R)
• M8: 3,451,522 km (0.114 R)
• M9: 4,171,686 km (0.11 R)
• M10: 4,553,759 km (0.102 R)
• M11: 5,079,745 km (0.072 R)
• M12: 5,548,585 km (0.059 R)
• M13: 5,910,612 km (0.113 R)
• M14: 7,964,591 km (0.066 R)
• M15: 9,730,593 km (0.082 R)
• M16: 10,406,327 km (0.096 R)
• M17: 12,398,821 km (0.099 R)
• M18: 13,309,573 km (0.078 R)
• M19: 15,585,705 km (0.113 R)
• M20: 16,646,204 km (0.114 R)
• M21: 18,038,511 km (0.111 R)
• M22: 21,212,828 km (0.038 R)
• M23: 22,102,188 km (0.104 R)
• M24: 24,302,623 km (0.112 R)
• M25: 25,276,206 km (0.079 R)
• M26: 26,645,326 km (0.084 R)
• M27: 27,206,766 km (0.085 R)
• M28: 34,682,621 km (0.112 R)
• M29: 37,762,542 km (0.093 R)
• M30: 40,526,213 km (0.101 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 29.6

Radius: 3.3

Gravity: 2.72 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 6.75 AU - 8.09 AU

Year: 13050 Days

Day: 16.5 Hours

Environment

Temp: -235 °C

Axial Tilt: 48 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 20,086,977 km

• M1: 47,273 km (0.092 R)
• M2: 208,689 km (0.026 R)
• M3: 524,939 km (0.081 R)
• M4: 1,023,848 km (0.1 R)
• M5: 4,749,583 km (0.068 R)
• M6: 8,531,866 km (0.081 R)
• M7: 10,813,084 km (0.113 R)
• M8: 11,586,056 km (0.114 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: 334 - 18,598 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit