🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.52 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 83

Radius: 8.7

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 0.84 AU - 1.22 AU

Year: 675 Days

Day: 12.6 Hours

Environment

Temp: -161 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 60,047,232 km

• M1: 108,159 km (0.026 R)
• M2: 427,252 km (0.118 R)
• M3: 925,861 km (0.082 R)
• M4: 1,565,392 km (0.105 R)
• M5: 1,874,312 km (0.118 R)
• M6: 3,124,800 km (0.094 R)
• M7: 3,587,207 km (0.106 R)
• M8: 3,920,511 km (0.11 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 606.9

Radius: 13.6

Gravity: 3.28 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 2.52 AU - 3.56 AU

Year: 3422 Days

Day: 12.5 Hours

Environment

Temp: -197 °C

Axial Tilt: 49.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 60,047,232 km

• M1: 170,990 km (0.111 R)
• M2: 599,439 km (0.114 R)
• M3: 1,203,515 km (0.085 R)
• M4: 1,861,147 km (0.108 R)
• M5: 2,475,396 km (0.039 R)
• M6: 3,204,985 km (0.045 R)
• M7: 4,621,826 km (0.08 R)
• M8: 6,167,920 km (0.069 R)
• M9: 7,354,680 km (0.101 R)
• M10: 7,804,222 km (0.083 R)
• M11: 9,982,666 km (0.073 R)
• M12: 10,737,238 km (0.09 R)
• M13: 11,317,378 km (0.059 R)
• M14: 13,514,223 km (0.065 R)
• M15: 15,248,511 km (0.117 R)
• M16: 18,151,009 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 284.6

Radius: 9

Gravity: 3.51 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 3.16 AU - 5 AU

Year: 5321 Days

Day: 10.6 Hours

Environment

Temp: -205 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 60,047,232 km

• M1: 111,899 km (0.103 R)
• M2: 415,284 km (0.119 R)
• M3: 736,770 km (0.11 R)
• M4: 1,175,390 km (0.116 R)
• M5: 2,569,792 km (0.077 R)
• M6: 4,440,663 km (0.086 R)
• M7: 4,863,876 km (0.099 R)
• M8: 5,791,233 km (0.087 R)
• M9: 6,531,144 km (0.081 R)
• M10: 7,017,038 km (0.088 R)
• M11: 9,855,209 km (0.102 R)
• M12: 11,462,338 km (0.113 R)
• M13: 12,260,144 km (0.103 R)
• M14: 14,416,298 km (0.1 R)
• M15: 17,151,994 km (0.073 R)
• M16: 18,492,092 km (0.046 R)
• M17: 21,182,460 km (0.081 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 589.6

Radius: 11.5

Gravity: 4.46 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 4.86 AU - 5.16 AU

Year: 7241 Days

Day: 14.3 Hours

Environment

Temp: -224 °C

Axial Tilt: 7.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 60,047,232 km

• M1: 143,165 km (0.06 R)
• M2: 964,308 km (0.111 R)
• M3: 1,837,511 km (0.053 R)
• M4: 2,667,031 km (0.043 R)
• M5: 3,413,973 km (0.068 R)
• M6: 3,777,945 km (0.078 R)
• M7: 4,887,512 km (0.069 R)
• M8: 5,750,991 km (0.055 R)
• M9: 6,235,987 km (0.077 R)
• M10: 7,032,895 km (0.039 R)
• M11: 8,374,040 km (0.064 R)
• M12: 11,010,254 km (0.099 R)
• M13: 12,173,676 km (0.117 R)
• M14: 16,029,711 km (0.078 R)
• M15: 19,176,203 km (0.119 R)
• M16: 23,274,586 km (0.09 R)
• M17: 25,185,250 km (0.107 R)
• M18: 26,222,412 km (0.096 R)
• M19: 33,463,847 km (0.071 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 34.5

Radius: 14.5

Gravity: 0.16 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 4.72 AU - 6.92 AU

Year: 9066 Days

Day: 6 Hours

Environment

Temp: -224 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 60,047,232 km

• M1: 182,509 km (0.037 R)
• M2: 780,452 km (0.087 R)
• M3: 1,395,449 km (0.06 R)
• M4: 1,904,979 km (0.06 R)
• M5: 2,968,919 km (0.083 R)
• M6: 4,726,096 km (0.073 R)
• M7: 6,853,228 km (0.119 R)
• M8: 8,113,889 km (0.089 R)
• M9: 9,728,499 km (0.112 R)
• M10: 10,323,599 km (0.092 R)
• M11: 11,510,060 km (0.112 R)
• M12: 14,375,458 km (0.051 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 902.3

Radius: 6.6

Gravity: 20.71 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 5.34 AU - 7.6 AU

Year: 10626 Days

Day: 16.1 Hours

Environment

Temp: -221 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 60,047,232 km

• M1: 83,027 km (0.089 R)
• M2: 433,684 km (0.119 R)
• M3: 905,366 km (0.099 R)
• M4: 1,255,874 km (0.093 R)
• M5: 1,974,841 km (0.115 R)
• M6: 2,567,847 km (0.114 R)
• M7: 4,015,057 km (0.12 R)
• M8: 5,754,132 km (0.07 R)
• M9: 8,354,443 km (0.08 R)
• M10: 8,828,818 km (0.111 R)
• M11: 9,072,662 km (0.036 R)
• M12: 9,831,422 km (0.104 R)
• M13: 14,878,705 km (0.078 R)
• M14: 19,635,618 km (0.114 R)
• M15: 25,316,148 km (0.087 R)
• M16: 28,053,789 km (0.037 R)
• M17: 37,312,402 km (0.042 R)
• M18: 40,308,548 km (0.102 R)
• M19: 54,224,142 km (0.086 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.24 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 522.2

Radius: 7.2

Gravity: 10.07 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 5.64 AU - 8.84 AU

Year: 12578 Days

Day: 15.6 Hours

Environment

Temp: -217 °C

Axial Tilt: 41.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 60,047,232 km

• M1: 89,609 km (0.101 R)
• M2: 461,360 km (0.105 R)
• M3: 838,646 km (0.116 R)
• M4: 1,821,952 km (0.101 R)
• M5: 2,162,886 km (0.096 R)
• M6: 3,276,493 km (0.092 R)
• M7: 3,651,534 km (0.114 R)
• M8: 4,638,581 km (0.105 R)
• M9: 5,112,058 km (0.111 R)
• M10: 7,292,597 km (0.091 R)
• M11: 7,715,361 km (0.075 R)
• M12: 8,425,651 km (0.062 R)
• M13: 10,027,246 km (0.096 R)
• M14: 10,818,320 km (0.098 R)
• M15: 12,111,294 km (0.051 R)
• M16: 12,946,948 km (0.095 R)
• M17: 16,034,049 km (0.076 R)
• M18: 17,040,843 km (0.119 R)
• M19: 18,396,200 km (0.047 R)
• M20: 22,536,321 km (0.065 R)
• M21: 22,892,214 km (0.108 R)
• M22: 25,106,412 km (0.071 R)
• M23: 28,378,566 km (0.055 R)
• M24: 28,689,431 km (0.114 R)
• M25: 36,849,845 km (0.095 R)
• M26: 38,218,815 km (0.101 R)
• M27: 47,734,586 km (0.097 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.32 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 293.9

Radius: 6.2

Gravity: 7.65 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 9.6 AU - 11.04 AU

Year: 21406 Days

Day: 19.1 Hours

Environment

Temp: -238 °C

Axial Tilt: 19.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 60,047,232 km

• M1: 78,389 km (0.076 R)
• M2: 392,994 km (0.11 R)
• M3: 742,155 km (0.098 R)
• M4: 1,168,060 km (0.087 R)
• M5: 1,465,311 km (0.087 R)
• M6: 1,712,596 km (0.091 R)
• M7: 2,193,254 km (0.09 R)
• M8: 2,518,331 km (0.117 R)
• M9: 3,041,474 km (0.119 R)
• M10: 4,648,305 km (0.083 R)
• M11: 6,504,216 km (0.115 R)
• M12: 7,985,534 km (0.103 R)
• M13: 9,785,047 km (0.093 R)
• M14: 15,215,749 km (0.118 R)
• M15: 16,019,987 km (0.085 R)
• M16: 22,182,223 km (0.112 R)
• M17: 23,695,256 km (0.098 R)
• M18: 24,575,938 km (0.075 R)
• M19: 25,681,766 km (0.095 R)
• M20: 30,552,074 km (0.047 R)
• M21: 36,517,738 km (0.096 R)
• M22: 38,621,981 km (0.094 R)
• M23: 39,025,447 km (0.094 R)
• M24: 45,717,259 km (0.1 R)
• M25: 54,304,027 km (0.091 R)
• M26: 56,347,833 km (0.088 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: 454 - 13,675 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit