🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 287.1

Radius: 8.9

Gravity: 3.62 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 0.84 AU - 0.86 AU

Year: 506 Days

Day: 11.9 Hours

Environment

Temp: -142 °C

Axial Tilt: 49 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 22,482,116 km

• M1: 110,702 km (0.063 R)
• M2: 468,541 km (0.097 R)
• M3: 750,682 km (0.071 R)
• M4: 1,116,000 km (0.059 R)
• M5: 1,458,579 km (0.107 R)
• M6: 1,856,659 km (0.085 R)
• M7: 2,142,391 km (0.079 R)
• M8: 2,538,975 km (0.088 R)
• M9: 2,883,200 km (0.119 R)
• M10: 3,526,471 km (0.108 R)
• M11: 4,006,381 km (0.047 R)
• M12: 4,288,522 km (0.074 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 960.8

Radius: 13.4

Gravity: 5.35 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 0.71 AU - 1.03 AU

Year: 524 Days

Day: 14.2 Hours

Environment

Temp: -156 °C

Axial Tilt: 21.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 22,482,116 km

• M1: 172,786 km (0.085 R)
• M2: 934,239 km (0.118 R)
• M3: 1,809,685 km (0.105 R)
• M4: 2,366,190 km (0.12 R)
• M5: 3,885,805 km (0.117 R)
• M6: 4,336,842 km (0.059 R)
• M7: 4,758,259 km (0.062 R)
• M8: 5,943,224 km (0.057 R)
• M9: 6,686,576 km (0.048 R)
• M10: 7,294,691 km (0.104 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 846.5

Radius: 13.7

Gravity: 4.51 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 1.36 AU - 1.36 AU

Year: 1024 Days

Day: 13.4 Hours

Environment

Temp: -183 °C

Axial Tilt: 18.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 22,482,116 km

• M1: 170,392 km (0.114 R)
• M2: 662,270 km (0.087 R)
• M3: 1,523,505 km (0.113 R)
• M4: 2,517,882 km (0.079 R)
• M5: 3,159,657 km (0.078 R)
• M6: 3,703,295 km (0.054 R)
• M7: 5,292,025 km (0.113 R)
• M8: 5,805,145 km (0.05 R)
• M9: 6,239,578 km (0.109 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 546.6

Radius: 9.1

Gravity: 6.6 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 1.55 AU - 2.01 AU

Year: 1533 Days

Day: 10 Hours

Environment

Temp: -175 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 22,482,116 km

• M1: 113,246 km (0.065 R)
• M2: 417,827 km (0.118 R)
• M3: 833,559 km (0.093 R)
• M4: 1,145,172 km (0.084 R)
• M5: 1,500,467 km (0.034 R)
• M6: 1,888,075 km (0.087 R)
• M7: 2,377,858 km (0.061 R)
• M8: 2,867,193 km (0.111 R)
• M9: 3,239,691 km (0.12 R)
• M10: 3,676,816 km (0.109 R)
• M11: 3,961,052 km (0.113 R)
• M12: 4,707,995 km (0.098 R)
• M13: 5,187,157 km (0.1 R)
• M14: 6,698,394 km (0.086 R)
• M15: 7,048,004 km (0.1 R)
• M16: 7,515,348 km (0.067 R)
• M17: 8,170,437 km (0.109 R)
• M18: 8,570,013 km (0.084 R)
• M19: 9,224,055 km (0.074 R)
• M20: 11,813,445 km (0.088 R)
• M21: 12,698,914 km (0.099 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 137.4

Radius: 8.7

Gravity: 1.82 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 2.07 AU - 3.23 AU

Year: 2785 Days

Day: 6.6 Hours

Environment

Temp: -195 °C

Axial Tilt: 28.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 22,482,116 km

• M1: 109,356 km (0.12 R)
• M2: 438,023 km (0.056 R)
• M3: 2,618,860 km (0.107 R)
• M4: 3,087,550 km (0.106 R)
• M5: 3,706,886 km (0.101 R)
• M6: 4,141,019 km (0.1 R)
• M7: 6,134,560 km (0.088 R)
• M8: 10,534,682 km (0.111 R)
• M9: 11,719,796 km (0.037 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 338.7

Radius: 11.6

Gravity: 2.52 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 3.29 AU - 4.33 AU

Year: 4802 Days

Day: 7.1 Hours

Environment

Temp: -206 °C

Axial Tilt: 2.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 22,482,116 km

• M1: 144,362 km (0.114 R)
• M2: 518,357 km (0.072 R)
• M3: 1,204,113 km (0.074 R)
• M4: 1,656,048 km (0.075 R)
• M5: 2,682,739 km (0.079 R)
• M6: 3,118,966 km (0.081 R)
• M7: 4,864,025 km (0.063 R)
• M8: 5,233,831 km (0.083 R)
• M9: 5,864,985 km (0.068 R)
• M10: 6,342,202 km (0.095 R)
• M11: 6,936,853 km (0.112 R)
• M12: 7,633,531 km (0.09 R)
• M13: 8,203,498 km (0.103 R)
• M14: 8,910,049 km (0.082 R)
• M15: 11,274,892 km (0.091 R)
• M16: 12,464,943 km (0.102 R)
• M17: 13,447,053 km (0.076 R)
• M18: 14,179,634 km (0.109 R)
• M19: 14,887,083 km (0.088 R)
• M20: 19,206,871 km (0.103 R)
• M21: 19,575,031 km (0.08 R)
• M22: 20,262,134 km (0.067 R)
• M23: 20,836,291 km (0.097 R)
• M24: 21,487,041 km (0.026 R)
• M25: 22,151,106 km (0.102 R)
• M26: 22,624,135 km (0.111 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 247.8

Radius: 11.9

Gravity: 1.75 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 3.53 AU - 4.65 AU

Year: 5341 Days

Day: 11.1 Hours

Environment

Temp: -211 °C

Axial Tilt: 165.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 22,482,116 km

• M1: 147,952 km (0.105 R)
• M2: 612,454 km (0.059 R)
• M3: 1,545,496 km (0.115 R)
• M4: 1,948,662 km (0.099 R)
• M5: 3,684,446 km (0.088 R)
• M6: 4,528,178 km (0.111 R)
• M7: 5,343,038 km (0.102 R)
• M8: 6,835,276 km (0.1 R)
• M9: 8,175,374 km (0.079 R)
• M10: 8,979,911 km (0.085 R)
• M11: 9,836,509 km (0.099 R)
• M12: 12,061,328 km (0.115 R)
• M13: 14,956,795 km (0.091 R)
• M14: 15,892,829 km (0.075 R)
• M15: 16,757,355 km (0.083 R)
• M16: 18,228,800 km (0.108 R)
• M17: 19,600,612 km (0.103 R)
• M18: 20,093,687 km (0.08 R)
• M19: 20,468,729 km (0.059 R)
• M20: 22,082,441 km (0.092 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 534 - 15,739 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit