🌌 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: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 138.2

Radius: 9.8

Gravity: 1.44 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 0.4 AU - 0.64 AU

Year: 259 Days

Day: 9 Hours

Environment

Temp: -131 °C

Axial Tilt: 12 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 69,634,828 km

• M1: 121,922 km (0.101 R)
• M2: 435,629 km (0.04 R)
• M3: 794,065 km (0.06 R)
• M4: 1,124,078 km (0.098 R)
• M5: 1,439,431 km (0.095 R)
• M6: 2,020,768 km (0.03 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 959

Radius: 10.3

Gravity: 9.04 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 0.56 AU - 0.7 AU

Year: 345 Days

Day: 5.7 Hours

Environment

Temp: -160 °C

Axial Tilt: 20.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 69,634,828 km

• M1: 128,056 km (0.081 R)
• M2: 511,026 km (0.109 R)
• M3: 969,394 km (0.118 R)
• M4: 1,517,521 km (0.045 R)
• M5: 1,852,171 km (0.076 R)
• M6: 2,254,290 km (0.026 R)
• M7: 2,744,672 km (0.116 R)
• M8: 4,246,635 km (0.062 R)
• M9: 5,136,742 km (0.102 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 535.4

Radius: 12.4

Gravity: 3.48 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 1.67 AU - 1.95 AU

Year: 1681 Days

Day: 9.5 Hours

Environment

Temp: -195 °C

Axial Tilt: 14.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 69,634,828 km

• M1: 154,235 km (0.108 R)
• M2: 663,018 km (0.11 R)
• M3: 1,153,250 km (0.094 R)
• M4: 1,624,334 km (0.093 R)
• M5: 2,034,232 km (0.047 R)
• M6: 3,186,435 km (0.074 R)
• M7: 4,540,295 km (0.105 R)
• M8: 4,932,242 km (0.037 R)
• M9: 6,129,025 km (0.067 R)
• M10: 7,297,683 km (0.086 R)
• M11: 8,146,352 km (0.091 R)
• M12: 10,709,562 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 89.5

Radius: 13.4

Gravity: 0.5 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 2.62 AU - 2.98 AU

Year: 3234 Days

Day: 6.3 Hours

Environment

Temp: -216 °C

Axial Tilt: 19.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 69,634,828 km

• M1: 166,652 km (0.078 R)
• M2: 883,974 km (0.082 R)
• M3: 1,447,060 km (0.116 R)
• M4: 2,768,009 km (0.068 R)
• M5: 3,593,640 km (0.112 R)
• M6: 4,208,637 km (0.11 R)
• M7: 6,438,992 km (0.045 R)
• M8: 9,017,909 km (0.104 R)
• M9: 9,516,669 km (0.093 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 769.9

Radius: 8

Gravity: 12.03 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 5.18 AU - 6.2 AU

Year: 9369 Days

Day: 19.4 Hours

Environment

Temp: -232 °C

Axial Tilt: 23 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 69,634,828 km

• M1: 100,829 km (0.088 R)
• M2: 410,796 km (0.108 R)
• M3: 671,395 km (0.112 R)
• M4: 955,930 km (0.114 R)
• M5: 1,504,356 km (0.113 R)
• M6: 1,810,733 km (0.111 R)
• M7: 5,805,145 km (0.092 R)
• M8: 11,284,018 km (0.083 R)
• M9: 12,876,786 km (0.118 R)
• M10: 14,039,611 km (0.085 R)
• M11: 14,356,908 km (0.064 R)
• M12: 15,538,880 km (0.114 R)
• M13: 16,432,129 km (0.034 R)
• M14: 18,623,289 km (0.086 R)
• M15: 19,083,752 km (0.091 R)
• M16: 21,002,195 km (0.05 R)
• M17: 24,479,298 km (0.086 R)
• M18: 25,876,542 km (0.102 R)
• M19: 26,162,274 km (0.103 R)
• M20: 27,523,465 km (0.095 R)
• M21: 30,386,469 km (0.093 R)
• M22: 33,105,410 km (0.082 R)
• M23: 37,786,029 km (0.109 R)
• M24: 45,329,052 km (0.064 R)
• M25: 46,302,187 km (0.075 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 602.9

Radius: 7

Gravity: 12.3 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 6.46 AU - 7.8 AU

Year: 13142 Days

Day: 21.3 Hours

Environment

Temp: -225 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 69,634,828 km

• M1: 100,231 km (0.073 R)
• M2: 397,332 km (0.104 R)
• M3: 672,891 km (0.063 R)
• M4: 967,599 km (0.085 R)
• M5: 1,710,502 km (0.092 R)
• M6: 2,082,552 km (0.102 R)
• M7: 2,486,915 km (0.113 R)
• M8: 3,769,567 km (0.085 R)
• M9: 5,067,927 km (0.105 R)
• M10: 5,947,114 km (0.075 R)
• M11: 6,403,537 km (0.032 R)
• M12: 11,273,546 km (0.097 R)
• M13: 11,913,226 km (0.069 R)
• M14: 12,515,358 km (0.047 R)
• M15: 13,650,357 km (0.099 R)
• M16: 14,043,500 km (0.103 R)
• M17: 14,511,592 km (0.072 R)
• M18: 14,921,041 km (0.089 R)
• M19: 15,691,919 km (0.064 R)
• M20: 16,195,914 km (0.09 R)
• M21: 16,415,374 km (0.108 R)
• M22: 16,785,330 km (0.062 R)
• M23: 19,450,266 km (0.061 R)
• M24: 22,931,409 km (0.071 R)
• M25: 23,674,312 km (0.079 R)
• M26: 31,892,172 km (0.102 R)
• M27: 32,817,434 km (0.11 R)
• M28: 37,841,529 km (0.07 R)
• M29: 38,357,492 km (0.113 R)
• M30: 39,535,576 km (0.11 R)
• M31: 45,936,121 km (0.086 R)
• M32: 49,380,911 km (0.031 R)
• M33: 52,833,480 km (0.118 R)
• M34: 54,127,801 km (0.093 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 524

Radius: 3.4

Gravity: 45.33 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 7.46 AU - 11.42 AU

Year: 20020 Days

Day: 21.7 Hours

Environment

Temp: -228 °C

Axial Tilt: 134.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 69,634,828 km

• M1: 42,336 km (0.117 R)
• M2: 306,526 km (0.101 R)
• M3: 615,894 km (0.112 R)
• M4: 835,055 km (0.111 R)
• M5: 1,182,721 km (0.04 R)
• M6: 2,055,924 km (0.073 R)
• M7: 3,741,592 km (0.072 R)
• M8: 4,768,881 km (0.088 R)
• M9: 6,174,802 km (0.103 R)
• M10: 7,453,714 km (0.065 R)
• M11: 10,520,769 km (0.061 R)
• M12: 12,930,342 km (0.102 R)
• M13: 13,341,587 km (0.048 R)
• M14: 14,335,066 km (0.093 R)
• M15: 15,994,406 km (0.115 R)
• M16: 19,331,037 km (0.101 R)
• M17: 21,350,309 km (0.108 R)
• M18: 27,003,912 km (0.099 R)
• M19: 27,114,913 km (0.052 R)
• M20: 29,401,666 km (0.042 R)
• M21: 29,992,727 km (0.074 R)
• M22: 32,061,816 km (0.1 R)
• M23: 32,436,558 km (0.106 R)
• M24: 33,194,720 km (0.08 R)
• M25: 38,413,442 km (0.106 R)
• M26: 38,977,725 km (0.074 R)
• M27: 41,142,855 km (0.077 R)
• M28: 52,140,243 km (0.101 R)
• M29: 57,660,405 km (0.1 R)
• M30: 63,165,457 km (0.111 R)
• M31: 65,341,956 km (0.063 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 342 - 13,238 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit