🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 778.9

Radius: 9.7

Gravity: 8.28 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 0.45 AU - 0.69 AU

Year: 292 Days

Day: 13.1 Hours

Environment

Temp: -139 °C

Axial Tilt: 1.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 54,979,180 km

• M1: 120,576 km (0.101 R)
• M2: 427,700 km (0.099 R)
• M3: 804,837 km (0.043 R)
• M4: 1,109,119 km (0.078 R)
• M5: 1,529,489 km (0.031 R)
• M6: 1,911,412 km (0.051 R)
• M7: 2,222,576 km (0.118 R)
• M8: 4,632,747 km (0.049 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 398.9

Radius: 12.2

Gravity: 2.68 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 0.48 AU - 0.66 AU

Year: 292 Days

Day: 9.7 Hours

Environment

Temp: -147 °C

Axial Tilt: 27 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 54,979,180 km

• M1: 151,692 km (0.079 R)
• M2: 572,511 km (0.117 R)
• M3: 1,385,276 km (0.088 R)
• M4: 2,073,426 km (0.108 R)
• M5: 2,525,810 km (0.076 R)
• M6: 3,081,866 km (0.117 R)
• M7: 3,580,326 km (0.082 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 993.4

Radius: 14.2

Gravity: 4.93 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 0.69 AU - 0.77 AU

Year: 423 Days

Day: 13.1 Hours

Environment

Temp: -169 °C

Axial Tilt: 153.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 54,979,180 km

• M1: 176,675 km (0.045 R)
• M2: 679,174 km (0.049 R)
• M3: 1,308,383 km (0.086 R)
• M4: 1,810,284 km (0.099 R)
• M5: 2,291,690 km (0.075 R)
• M6: 2,913,568 km (0.095 R)
• M7: 3,446,436 km (0.109 R)
• M8: 4,030,615 km (0.087 R)
• M9: 5,135,844 km (0.034 R)
• M10: 5,812,775 km (0.042 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 339.5

Radius: 9.1

Gravity: 4.1 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 0.98 AU - 1.02 AU

Year: 678 Days

Day: 10.5 Hours

Environment

Temp: -183 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 54,979,180 km

• M1: 113,096 km (0.111 R)
• M2: 421,866 km (0.038 R)
• M3: 712,235 km (0.076 R)
• M4: 1,121,685 km (0.096 R)
• M5: 1,561,353 km (0.117 R)
• M6: 1,951,654 km (0.098 R)
• M7: 2,425,729 km (0.119 R)
• M8: 4,843,829 km (0.069 R)
• M9: 5,193,739 km (0.116 R)
• M10: 5,855,560 km (0.097 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 981.8

Radius: 14.6

Gravity: 4.61 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 1.06 AU - 1.28 AU

Year: 858 Days

Day: 10.4 Hours

Environment

Temp: -184 °C

Axial Tilt: 23.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 54,979,180 km

• M1: 181,761 km (0.1 R)
• M2: 671,844 km (0.088 R)
• M3: 1,442,572 km (0.072 R)
• M4: 2,177,247 km (0.108 R)
• M5: 2,916,261 km (0.09 R)
• M6: 3,402,454 km (0.098 R)
• M7: 3,911,835 km (0.114 R)
• M8: 4,718,167 km (0.117 R)
• M9: 5,776,123 km (0.113 R)
• M10: 6,394,860 km (0.117 R)
• M11: 7,010,455 km (0.101 R)
• M12: 7,565,763 km (0.114 R)
• M13: 9,154,642 km (0.101 R)
• M14: 10,088,132 km (0.112 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 20.2

Radius: 13.5

Gravity: 0.11 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 4.7 AU - 5.92 AU

Year: 8299 Days

Day: 8.9 Hours

Environment

Temp: -232 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 54,979,180 km

• M1: 168,148 km (0.114 R)
• M2: 760,256 km (0.089 R)
• M3: 1,305,541 km (0.083 R)
• M4: 2,832,935 km (0.113 R)
• M5: 3,568,059 km (0.115 R)
• M6: 7,028,856 km (0.117 R)
• M7: 8,012,612 km (0.099 R)
• M8: 8,995,769 km (0.107 R)
• M9: 12,207,635 km (0.104 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 966

Radius: 7.8

Gravity: 15.88 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 5.42 AU - 6.88 AU

Year: 10344 Days

Day: 23.3 Hours

Environment

Temp: -226 °C

Axial Tilt: 20.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 54,979,180 km

• M1: 105,616 km (0.102 R)
• M2: 473,477 km (0.114 R)
• M3: 1,072,766 km (0.095 R)
• M4: 1,700,629 km (0.099 R)
• M5: 2,331,184 km (0.109 R)
• M6: 3,689,083 km (0.084 R)
• M7: 4,645,762 km (0.106 R)
• M8: 5,266,743 km (0.1 R)
• M9: 6,475,045 km (0.089 R)
• M10: 7,420,054 km (0.1 R)
• M11: 8,267,676 km (0.108 R)
• M12: 8,787,080 km (0.104 R)
• M13: 9,228,094 km (0.07 R)
• M14: 9,995,681 km (0.106 R)
• M15: 10,585,097 km (0.116 R)
• M16: 11,425,986 km (0.109 R)
• M17: 11,716,056 km (0.112 R)
• M18: 12,987,938 km (0.09 R)
• M19: 13,885,525 km (0.065 R)
• M20: 15,590,192 km (0.113 R)
• M21: 16,975,918 km (0.039 R)
• M22: 17,429,947 km (0.079 R)
• M23: 19,906,390 km (0.111 R)
• M24: 20,157,864 km (0.094 R)
• M25: 21,272,069 km (0.089 R)
• M26: 24,188,929 km (0.109 R)
• M27: 24,667,642 km (0.067 R)
• M28: 31,364,690 km (0.119 R)
• M29: 38,267,883 km (0.052 R)
• M30: 40,642,002 km (0.108 R)
• M31: 46,412,590 km (0.111 R)
• M32: 47,003,202 km (0.105 R)
• M33: 48,805,109 km (0.115 R)
• M34: 54,323,176 km (0.057 R)
• M35: 54,979,162 km (0.097 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 477 - 16,038 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit