🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 799.8

Radius: 10.6

Gravity: 7.12 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 0.43 AU - 0.59 AU

Year: 251 Days

Day: 6.8 Hours

Environment

Temp: -134 °C

Axial Tilt: 24.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 59,858,440 km

• M1: 131,945 km (0.097 R)
• M2: 496,964 km (0.053 R)
• M3: 849,716 km (0.047 R)
• M4: 1,191,996 km (0.092 R)
• M5: 1,523,505 km (0.073 R)
• M6: 2,124,739 km (0.034 R)
• M7: 2,550,494 km (0.04 R)
• M8: 2,935,709 km (0.072 R)
• M9: 4,072,503 km (0.097 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 29

Radius: 9.3

Gravity: 0.34 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 0.46 AU - 0.6 AU

Year: 266 Days

Day: 14.8 Hours

Environment

Temp: -145 °C

Axial Tilt: 5.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 59,858,440 km

• M1: 115,789 km (0.091 R)
• M2: 827,276 km (0.082 R)
• M3: 1,246,150 km (0.105 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 934.4

Radius: 14.9

Gravity: 4.21 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 0.56 AU - 0.66 AU

Year: 329 Days

Day: 6.9 Hours

Environment

Temp: -154 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 59,858,440 km

• M1: 185,352 km (0.102 R)
• M2: 672,143 km (0.097 R)
• M3: 1,151,305 km (0.036 R)
• M4: 1,687,015 km (0.104 R)
• M5: 2,235,890 km (0.084 R)
• M6: 2,784,166 km (0.109 R)
• M7: 4,196,968 km (0.091 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 49.3

Radius: 14.8

Gravity: 0.23 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 1.53 AU - 1.73 AU

Year: 1436 Days

Day: 11.2 Hours

Environment

Temp: -200 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 59,858,440 km

• M1: 184,005 km (0.07 R)
• M2: 872,754 km (0.037 R)
• M3: 1,710,203 km (0.083 R)
• M4: 3,260,635 km (0.08 R)
• M5: 4,643,817 km (0.106 R)
• M6: 5,173,094 km (0.062 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 42.9

Radius: 12.4

Gravity: 0.28 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 1.85 AU - 3.01 AU

Year: 2615 Days

Day: 12.2 Hours

Environment

Temp: -206 °C

Axial Tilt: 20.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 59,858,440 km

• M1: 154,235 km (0.111 R)
• M2: 628,012 km (0.116 R)
• M3: 1,220,719 km (0.059 R)
• M4: 2,861,807 km (0.106 R)
• M5: 3,705,539 km (0.105 R)
• M6: 4,345,369 km (0.1 R)
• M7: 4,773,668 km (0.062 R)
• M8: 5,300,253 km (0.093 R)
• M9: 5,697,435 km (0.103 R)
• M10: 6,290,740 km (0.063 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 823.5

Radius: 7

Gravity: 16.81 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 5.48 AU - 7.1 AU

Year: 10889 Days

Day: 19.5 Hours

Environment

Temp: -235 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 59,858,440 km

• M1: 87,216 km (0.099 R)
• M2: 365,916 km (0.101 R)
• M3: 622,327 km (0.062 R)
• M4: 1,207,105 km (0.09 R)
• M5: 1,722,769 km (0.067 R)
• M6: 3,136,619 km (0.056 R)
• M7: 3,559,831 km (0.072 R)
• M8: 5,537,216 km (0.081 R)
• M9: 6,900,351 km (0.12 R)
• M10: 9,145,666 km (0.051 R)
• M11: 10,272,587 km (0.052 R)
• M12: 11,662,201 km (0.075 R)
• M13: 12,614,840 km (0.088 R)
• M14: 13,172,841 km (0.103 R)
• M15: 16,504,086 km (0.059 R)
• M16: 23,450,364 km (0.094 R)
• M17: 27,353,073 km (0.101 R)
• M18: 28,182,444 km (0.111 R)
• M19: 30,109,563 km (0.059 R)
• M20: 32,929,483 km (0.075 R)
• M21: 35,430,311 km (0.08 R)
• M22: 38,698,576 km (0.074 R)
• M23: 44,393,467 km (0.103 R)
• M24: 45,538,041 km (0.03 R)
• M25: 51,871,566 km (0.076 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 591.1

Radius: 4.5

Gravity: 29.19 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 5.91 AU - 6.89 AU

Year: 11176 Days

Day: 18.5 Hours

Environment

Temp: -220 °C

Axial Tilt: 29.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 59,858,440 km

• M1: 55,950 km (0.062 R)
• M2: 292,913 km (0.112 R)
• M3: 593,006 km (0.102 R)
• M4: 804,687 km (0.047 R)
• M5: 1,022,202 km (0.086 R)
• M6: 1,290,730 km (0.1 R)
• M7: 1,901,539 km (0.112 R)
• M8: 2,901,152 km (0.098 R)
• M9: 3,718,853 km (0.094 R)
• M10: 4,294,805 km (0.039 R)
• M11: 5,119,987 km (0.116 R)
• M12: 5,552,923 km (0.107 R)
• M13: 9,436,933 km (0.089 R)
• M14: 9,833,367 km (0.114 R)
• M15: 16,182,151 km (0.053 R)
• M16: 17,038,150 km (0.117 R)
• M17: 20,028,761 km (0.108 R)
• M18: 21,435,131 km (0.08 R)
• M19: 21,604,775 km (0.099 R)
• M20: 24,814,397 km (0.118 R)
• M21: 32,716,606 km (0.041 R)
• M22: 38,656,090 km (0.104 R)
• M23: 39,796,175 km (0.112 R)
• M24: 41,746,034 km (0.11 R)
• M25: 44,443,583 km (0.055 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 816.3

Radius: 7.9

Gravity: 13.08 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 6.43 AU - 7.57 AU

Year: 12784 Days

Day: 23.8 Hours

Environment

Temp: -222 °C

Axial Tilt: 20.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 59,858,440 km

• M1: 98,585 km (0.049 R)
• M2: 508,184 km (0.105 R)
• M3: 778,956 km (0.102 R)
• M4: 1,185,414 km (0.047 R)
• M5: 1,510,938 km (0.11 R)
• M6: 1,777,223 km (0.107 R)
• M7: 2,660,449 km (0.077 R)
• M8: 3,149,933 km (0.114 R)
• M9: 5,727,504 km (0.09 R)
• M10: 7,613,185 km (0.12 R)
• M11: 8,995,170 km (0.077 R)
• M12: 10,705,972 km (0.095 R)
• M13: 11,459,197 km (0.09 R)
• M14: 13,266,339 km (0.086 R)
• M15: 13,998,920 km (0.12 R)
• M16: 14,409,865 km (0.051 R)
• M17: 14,899,200 km (0.086 R)
• M18: 16,968,587 km (0.113 R)
• M19: 18,152,505 km (0.069 R)
• M20: 20,073,341 km (0.055 R)
• M21: 20,772,263 km (0.105 R)
• M22: 21,577,548 km (0.074 R)
• M23: 23,826,902 km (0.108 R)
• M24: 28,786,071 km (0.057 R)
• M25: 29,339,134 km (0.055 R)
• M26: 33,532,662 km (0.108 R)
• M27: 36,026,758 km (0.1 R)
• M28: 38,641,878 km (0.083 R)
• M29: 40,132,920 km (0.112 R)
• M30: 42,654,841 km (0.06 R)
• M31: 48,166,774 km (0.084 R)
• M32: 51,497,122 km (0.103 R)
• M33: 53,301,422 km (0.03 R)
• M34: 57,383,499 km (0.045 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 330 - 17,047 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit