🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 245.6

Radius: 14.2

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 0.51 AU - 0.69 AU

Year: 321 Days

Day: 8.1 Hours

Environment

Temp: -145 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 62,392,222 km

• M1: 176,525 km (0.073 R)
• M2: 692,937 km (0.052 R)
• M3: 1,290,431 km (0.065 R)
• M4: 1,865,336 km (0.114 R)
• M5: 2,346,592 km (0.111 R)
• M6: 2,842,509 km (0.102 R)
• M7: 3,369,991 km (0.091 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 206.8

Radius: 13.1

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 0.53 AU - 0.77 AU

Year: 362 Days

Day: 5.3 Hours

Environment

Temp: -152 °C

Axial Tilt: 18.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 62,392,222 km

• M1: 162,912 km (0.058 R)
• M2: 626,366 km (0.11 R)
• M3: 1,388,867 km (0.115 R)
• M4: 1,919,191 km (0.086 R)
• M5: 2,448,618 km (0.108 R)
• M6: 3,111,935 km (0.104 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 157.1

Radius: 12

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 2 AU - 2.24 AU

Year: 2131 Days

Day: 9 Hours

Environment

Temp: -209 °C

Axial Tilt: 21.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 62,392,222 km

• M1: 149,747 km (0.116 R)
• M2: 638,633 km (0.071 R)
• M3: 1,247,945 km (0.085 R)
• M4: 1,702,723 km (0.085 R)
• M5: 3,224,582 km (0.106 R)
• M6: 3,703,295 km (0.118 R)
• M7: 4,080,880 km (0.106 R)
• M8: 4,786,384 km (0.061 R)
• M9: 5,352,911 km (0.088 R)
• M10: 7,156,313 km (0.065 R)
• M11: 8,104,913 km (0.111 R)
• M12: 9,022,996 km (0.114 R)
• M13: 9,536,565 km (0.047 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 818.7

Radius: 11.4

Gravity: 6.3 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 4.38 AU - 5.26 AU

Year: 7304 Days

Day: 12.8 Hours

Environment

Temp: -220 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 62,392,222 km

• M1: 141,968 km (0.032 R)
• M2: 522,545 km (0.091 R)
• M3: 1,229,844 km (0.098 R)
• M4: 1,815,520 km (0.101 R)
• M5: 2,327,294 km (0.096 R)
• M6: 3,320,325 km (0.062 R)
• M7: 4,143,711 km (0.118 R)
• M8: 4,745,843 km (0.105 R)
• M9: 6,023,558 km (0.103 R)
• M10: 6,580,062 km (0.1 R)
• M11: 7,557,385 km (0.066 R)
• M12: 8,500,450 km (0.111 R)
• M13: 10,324,946 km (0.045 R)
• M14: 10,769,102 km (0.113 R)
• M15: 16,136,374 km (0.079 R)
• M16: 17,074,353 km (0.104 R)
• M17: 17,556,806 km (0.077 R)
• M18: 18,766,454 km (0.063 R)
• M19: 20,030,856 km (0.074 R)
• M20: 21,035,405 km (0.115 R)
• M21: 29,816,202 km (0.063 R)
• M22: 31,227,359 km (0.088 R)
• M23: 31,638,603 km (0.043 R)
• M24: 33,965,598 km (0.105 R)
• M25: 38,132,796 km (0.062 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.68 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 607.3

Radius: 7.4

Gravity: 11.09 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 5.79 AU - 7.57 AU

Year: 11917 Days

Day: 16.5 Hours

Environment

Temp: -232 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 62,392,222 km

• M1: 92,601 km (0.094 R)
• M2: 463,454 km (0.037 R)
• M3: 704,456 km (0.111 R)
• M4: 1,238,371 km (0.086 R)
• M5: 1,473,090 km (0.098 R)
• M6: 4,315,599 km (0.07 R)
• M7: 6,434,952 km (0.081 R)
• M8: 6,746,116 km (0.067 R)
• M9: 9,068,773 km (0.113 R)
• M10: 25,857,244 km (0.101 R)
• M11: 26,645,026 km (0.109 R)
• M12: 29,741,553 km (0.104 R)
• M13: 35,663,085 km (0.056 R)
• M14: 42,054,505 km (0.099 R)
• M15: 44,250,452 km (0.081 R)
• M16: 44,952,215 km (0.099 R)
• M17: 45,518,743 km (0.119 R)
• M18: 46,811,119 km (0.097 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 568.8

Radius: 7.3

Gravity: 10.67 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 6.8 AU - 9.66 AU

Year: 16297 Days

Day: 16.9 Hours

Environment

Temp: -239 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 62,392,222 km

• M1: 91,105 km (0.077 R)
• M2: 736,171 km (0.073 R)
• M3: 1,099,694 km (0.085 R)
• M4: 1,330,673 km (0.093 R)
• M5: 2,475,246 km (0.111 R)
• M6: 3,298,035 km (0.118 R)
• M7: 3,618,473 km (0.079 R)
• M8: 4,447,844 km (0.11 R)
• M9: 4,806,131 km (0.114 R)
• M10: 5,543,947 km (0.096 R)
• M11: 6,559,119 km (0.076 R)
• M12: 7,154,518 km (0.08 R)
• M13: 8,650,198 km (0.05 R)
• M14: 9,261,455 km (0.047 R)
• M15: 9,577,704 km (0.077 R)
• M16: 13,955,686 km (0.078 R)
• M17: 14,441,730 km (0.078 R)
• M18: 15,010,950 km (0.046 R)
• M19: 16,653,534 km (0.044 R)
• M20: 21,186,649 km (0.061 R)
• M21: 23,247,958 km (0.079 R)
• M22: 24,526,870 km (0.099 R)
• M23: 27,764,766 km (0.086 R)
• M24: 28,202,340 km (0.113 R)
• M25: 30,691,350 km (0.113 R)
• M26: 33,446,194 km (0.039 R)
• M27: 34,567,580 km (0.075 R)
• M28: 35,972,005 km (0.092 R)
• M29: 40,134,117 km (0.094 R)
• M30: 41,116,526 km (0.077 R)
• M31: 46,422,912 km (0.116 R)
• M32: 49,720,049 km (0.054 R)
• M33: 54,184,050 km (0.103 R)
• M34: 55,383,525 km (0.053 R)
• M35: 56,600,654 km (0.116 R)
• M36: 62,205,487 km (0.06 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 484 - 18,686 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit