🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.25 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 2.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 816.6

Radius: 14.1

Gravity: 4.11 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 2.44 AU - 2.56 AU

Year: 2636 Days

Day: 12.5 Hours

Environment

Temp: -217 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 40,454,067 km

• M1: 175,329 km (0.098 R)
• M2: 1,259,315 km (0.052 R)
• M3: 2,312,783 km (0.072 R)
• M4: 3,972,123 km (0.116 R)
• M5: 4,583,828 km (0.096 R)
• M6: 5,233,682 km (0.056 R)
• M7: 5,865,284 km (0.042 R)
• M8: 6,981,733 km (0.089 R)
• M9: 7,748,721 km (0.111 R)
• M10: 9,234,677 km (0.086 R)
• M11: 9,857,153 km (0.096 R)
• M12: 10,823,406 km (0.049 R)
• M13: 11,682,995 km (0.056 R)
• M14: 13,307,927 km (0.039 R)
• M15: 13,818,954 km (0.113 R)
• M16: 14,294,825 km (0.065 R)
• M17: 16,151,783 km (0.107 R)
• M18: 16,787,275 km (0.09 R)
• M19: 18,278,167 km (0.111 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 61.7

Radius: 10.8

Gravity: 0.53 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 2.93 AU - 3.95 AU

Year: 4255 Days

Day: 6.5 Hours

Environment

Temp: -221 °C

Axial Tilt: 90.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 40,454,067 km

• M1: 134,339 km (0.074 R)
• M2: 704,606 km (0.084 R)
• M3: 1,251,685 km (0.092 R)
• M4: 1,974,991 km (0.11 R)
• M5: 2,516,236 km (0.107 R)
• M6: 3,069,000 km (0.082 R)
• M7: 3,543,226 km (0.077 R)
• M8: 4,222,101 km (0.113 R)
• M9: 4,564,979 km (0.074 R)
• M10: 6,737,738 km (0.094 R)
• M11: 7,490,216 km (0.098 R)
• M12: 7,914,027 km (0.094 R)
• M13: 10,603,796 km (0.041 R)
• M14: 11,551,948 km (0.102 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 291.3

Radius: 8.1

Gravity: 4.44 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 3.19 AU - 4.87 AU

Year: 5395 Days

Day: 12.6 Hours

Environment

Temp: -211 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 40,454,067 km

• M1: 100,829 km (0.05 R)
• M2: 528,529 km (0.105 R)
• M3: 823,237 km (0.055 R)
• M4: 1,086,081 km (0.101 R)
• M5: 1,740,122 km (0.118 R)
• M6: 5,553,223 km (0.077 R)
• M7: 5,936,044 km (0.111 R)
• M8: 7,679,607 km (0.094 R)
• M9: 8,435,824 km (0.094 R)
• M10: 14,503,663 km (0.093 R)
• M11: 17,966,854 km (0.059 R)
• M12: 18,563,001 km (0.092 R)
• M13: 20,302,525 km (0.113 R)
• M14: 21,145,958 km (0.06 R)
• M15: 21,945,110 km (0.103 R)
• M16: 22,902,536 km (0.086 R)
• M17: 23,251,249 km (0.053 R)
• M18: 23,532,643 km (0.108 R)

Asteroid Belt

Center: 4.36 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 4.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 144.8

Radius: 10.8

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 4.66 AU - 4.72 AU

Year: 6773 Days

Day: 7.6 Hours

Environment

Temp: -227 °C

Axial Tilt: 48.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 40,454,067 km

• M1: 134,488 km (0.064 R)
• M2: 514,617 km (0.097 R)
• M3: 964,607 km (0.074 R)
• M4: 1,687,464 km (0.087 R)
• M5: 2,677,951 km (0.088 R)
• M6: 3,542,627 km (0.116 R)
• M7: 3,978,107 km (0.094 R)
• M8: 4,652,494 km (0.1 R)
• M9: 5,225,454 km (0.114 R)
• M10: 5,659,437 km (0.059 R)
• M11: 6,955,852 km (0.088 R)
• M12: 7,545,567 km (0.081 R)
• M13: 8,931,890 km (0.119 R)
• M14: 9,405,069 km (0.054 R)
• M15: 11,982,939 km (0.086 R)
• M16: 14,055,917 km (0.094 R)
• M17: 14,448,162 km (0.064 R)
• M18: 15,254,345 km (0.081 R)
• M19: 15,668,582 km (0.088 R)
• M20: 17,122,224 km (0.102 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 811.9

Radius: 6.1

Gravity: 21.82 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 5.84 AU - 6.06 AU

Year: 9678 Days

Day: 17.7 Hours

Environment

Temp: -236 °C

Axial Tilt: 1.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 40,454,067 km

• M1: 80,334 km (0.044 R)
• M2: 341,532 km (0.041 R)
• M3: 1,140,534 km (0.115 R)
• M4: 1,610,122 km (0.03 R)
• M5: 1,989,502 km (0.099 R)
• M6: 2,293,036 km (0.118 R)
• M7: 2,925,985 km (0.062 R)
• M8: 3,319,427 km (0.12 R)
• M9: 5,625,329 km (0.045 R)
• M10: 6,572,732 km (0.08 R)
• M11: 8,010,218 km (0.089 R)
• M12: 9,350,465 km (0.106 R)
• M13: 9,845,485 km (0.103 R)
• M14: 10,357,857 km (0.094 R)
• M15: 14,649,671 km (0.112 R)
• M16: 17,001,349 km (0.031 R)
• M17: 17,738,268 km (0.098 R)
• M18: 19,914,469 km (0.099 R)
• M19: 25,735,920 km (0.089 R)
• M20: 28,823,919 km (0.072 R)
• M21: 34,310,571 km (0.066 R)
• M22: 35,485,513 km (0.092 R)
• M23: 37,052,849 km (0.083 R)
• M24: 38,540,002 km (0.086 R)
• M25: 39,553,378 km (0.029 R)
• M26: 40,454,406 km (0.089 R)
• M27: 46,861,982 km (0.071 R)
• M28: 47,870,720 km (0.115 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 398.1

Radius: 3.6

Gravity: 30.72 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 5.25 AU - 7.05 AU

Year: 10170 Days

Day: 21.4 Hours

Environment

Temp: -235 °C

Axial Tilt: 48.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 40,454,067 km

• M1: 44,730 km (0.054 R)
• M2: 160,519 km (0.092 R)
• M3: 330,761 km (0.086 R)
• M4: 722,707 km (0.077 R)
• M5: 931,845 km (0.037 R)
• M6: 1,497,026 km (0.1 R)
• M7: 1,733,091 km (0.063 R)
• M8: 3,017,239 km (0.117 R)
• M9: 4,598,040 km (0.092 R)
• M10: 5,759,518 km (0.067 R)
• M11: 5,925,572 km (0.114 R)
• M12: 6,443,180 km (0.087 R)
• M13: 6,990,260 km (0.111 R)
• M14: 7,141,354 km (0.089 R)
• M15: 7,255,946 km (0.046 R)
• M16: 8,218,009 km (0.116 R)
• M17: 9,628,867 km (0.097 R)
• M18: 12,472,573 km (0.114 R)
• M19: 12,694,726 km (0.078 R)
• M20: 14,691,857 km (0.062 R)
• M21: 15,064,655 km (0.119 R)
• M22: 15,253,448 km (0.113 R)
• M23: 15,764,624 km (0.114 R)
• M24: 21,046,176 km (0.069 R)
• M25: 23,401,745 km (0.077 R)
• M26: 24,686,341 km (0.089 R)
• M27: 27,301,911 km (0.108 R)
• M28: 28,436,162 km (0.117 R)
• M29: 35,796,377 km (0.111 R)
• M30: 37,961,357 km (0.069 R)
• M31: 39,492,043 km (0.113 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: 260 - 15,342 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit