🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.49 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 886.8

Radius: 10.5

Gravity: 8.04 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 0.84 AU - 1.12 AU

Year: 670 Days

Day: 11.2 Hours

Environment

Temp: -183 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 65,386,528 km

• M1: 130,599 km (0.116 R)
• M2: 500,554 km (0.079 R)
• M3: 853,306 km (0.078 R)
• M4: 1,236,277 km (0.085 R)
• M5: 1,855,462 km (0.115 R)
• M6: 3,231,763 km (0.025 R)
• M7: 3,667,093 km (0.107 R)
• M8: 4,234,667 km (0.11 R)
• M9: 5,177,134 km (0.091 R)
• M10: 5,991,544 km (0.059 R)
• M11: 6,651,271 km (0.069 R)
• M12: 7,994,211 km (0.108 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 628.8

Radius: 12.4

Gravity: 4.09 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 1.03 AU - 1.51 AU

Year: 988 Days

Day: 7.8 Hours

Environment

Temp: -195 °C

Axial Tilt: 46.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 65,386,528 km

• M1: 155,432 km (0.109 R)
• M2: 563,685 km (0.11 R)
• M3: 1,191,397 km (0.093 R)
• M4: 2,027,201 km (0.1 R)
• M5: 2,558,572 km (0.103 R)
• M6: 3,559,382 km (0.072 R)
• M7: 3,982,595 km (0.097 R)
• M8: 4,507,833 km (0.096 R)
• M9: 4,931,643 km (0.093 R)
• M10: 5,901,337 km (0.036 R)
• M11: 6,453,652 km (0.076 R)
• M12: 6,994,000 km (0.11 R)
• M13: 7,564,416 km (0.109 R)
• M14: 8,088,757 km (0.09 R)
• M15: 8,907,057 km (0.113 R)
• M16: 9,294,366 km (0.099 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 452.8

Radius: 8.5

Gravity: 6.27 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 1.13 AU - 1.85 AU

Year: 1255 Days

Day: 14.7 Hours

Environment

Temp: -193 °C

Axial Tilt: 22.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 65,386,528 km

• M1: 106,364 km (0.117 R)
• M2: 377,136 km (0.063 R)
• M3: 665,411 km (0.102 R)
• M4: 964,607 km (0.12 R)
• M5: 2,004,761 km (0.053 R)
• M6: 2,516,236 km (0.069 R)
• M7: 2,809,598 km (0.084 R)
• M8: 3,139,611 km (0.097 R)
• M9: 3,422,051 km (0.056 R)
• M10: 3,989,925 km (0.116 R)
• M11: 4,373,643 km (0.097 R)
• M12: 4,727,143 km (0.109 R)
• M13: 5,352,163 km (0.097 R)
• M14: 6,160,590 km (0.105 R)
• M15: 6,697,197 km (0.115 R)
• M16: 7,119,811 km (0.091 R)
• M17: 7,610,193 km (0.118 R)
• M18: 8,522,291 km (0.072 R)
• M19: 9,245,747 km (0.071 R)
• M20: 10,009,444 km (0.04 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 247.1

Radius: 14.9

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 4.07 AU - 6.59 AU

Year: 8494 Days

Day: 9.6 Hours

Environment

Temp: -228 °C

Axial Tilt: 5.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 65,386,528 km

• M1: 185,352 km (0.08 R)
• M2: 1,023,100 km (0.101 R)
• M3: 1,921,136 km (0.096 R)
• M4: 2,794,039 km (0.093 R)
• M5: 4,895,590 km (0.12 R)
• M6: 5,700,726 km (0.118 R)
• M7: 11,728,922 km (0.065 R)
• M8: 12,361,870 km (0.04 R)
• M9: 14,180,382 km (0.059 R)
• M10: 16,773,212 km (0.056 R)
• M11: 18,799,665 km (0.112 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 803.7

Radius: 3.6

Gravity: 62.01 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 5.34 AU - 7.16 AU

Year: 10785 Days

Day: 19.9 Hours

Environment

Temp: -230 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 65,386,528 km

• M1: 44,730 km (0.095 R)
• M2: 329,415 km (0.091 R)
• M3: 1,149,510 km (0.108 R)
• M4: 1,287,589 km (0.106 R)
• M5: 1,953,898 km (0.081 R)
• M6: 2,735,696 km (0.067 R)
• M7: 3,368,794 km (0.044 R)
• M8: 5,215,580 km (0.068 R)
• M9: 5,919,887 km (0.111 R)
• M10: 6,105,388 km (0.062 R)
• M11: 10,844,649 km (0.068 R)
• M12: 16,748,678 km (0.111 R)
• M13: 17,725,104 km (0.094 R)
• M14: 20,121,961 km (0.11 R)
• M15: 22,456,436 km (0.086 R)
• M16: 24,582,072 km (0.091 R)
• M17: 33,599,383 km (0.092 R)
• M18: 33,834,550 km (0.098 R)
• M19: 34,308,177 km (0.044 R)
• M20: 40,874,477 km (0.112 R)
• M21: 43,468,204 km (0.101 R)
• M22: 51,903,879 km (0.06 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 892.5

Radius: 4

Gravity: 55.78 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 7 AU - 7.42 AU

Year: 13363 Days

Day: 15.5 Hours

Environment

Temp: -233 °C

Axial Tilt: 21.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 65,386,528 km

• M1: 50,564 km (0.034 R)
• M2: 195,674 km (0.077 R)
• M3: 372,648 km (0.1 R)
• M4: 520,301 km (0.118 R)
• M5: 707,299 km (0.104 R)
• M6: 2,052,333 km (0.108 R)
• M7: 2,678,550 km (0.091 R)
• M8: 3,110,589 km (0.111 R)
• M9: 4,172,733 km (0.076 R)
• M10: 4,785,486 km (0.057 R)
• M11: 5,567,434 km (0.12 R)
• M12: 5,718,229 km (0.114 R)
• M13: 6,267,702 km (0.107 R)
• M14: 6,851,582 km (0.106 R)
• M15: 7,245,474 km (0.037 R)
• M16: 9,181,121 km (0.087 R)
• M17: 10,154,853 km (0.077 R)
• M18: 14,173,800 km (0.071 R)
• M19: 14,384,583 km (0.059 R)
• M20: 17,398,831 km (0.108 R)
• M21: 22,764,906 km (0.115 R)
• M22: 24,235,304 km (0.091 R)
• M23: 24,436,064 km (0.119 R)
• M24: 27,909,876 km (0.065 R)
• M25: 30,051,968 km (0.117 R)
• M26: 33,903,365 km (0.115 R)
• M27: 34,406,762 km (0.116 R)
• M28: 41,554,848 km (0.051 R)
• M29: 46,625,617 km (0.042 R)
• M30: 47,248,094 km (0.101 R)
• M31: 47,561,352 km (0.088 R)
• M32: 58,873,943 km (0.084 R)
• M33: 59,055,106 km (0.087 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 737.4

Radius: 3.1

Gravity: 76.73 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 6.02 AU - 9.8 AU

Year: 15356 Days

Day: 15.6 Hours

Environment

Temp: -227 °C

Axial Tilt: 7.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 65,386,528 km

• M1: 48,320 km (0.087 R)
• M2: 301,290 km (0.076 R)
• M3: 432,487 km (0.05 R)
• M4: 1,160,879 km (0.066 R)
• M5: 1,310,627 km (0.062 R)
• M6: 1,910,963 km (0.103 R)
• M7: 2,937,504 km (0.069 R)
• M8: 3,512,259 km (0.073 R)
• M9: 3,681,304 km (0.096 R)
• M10: 3,796,944 km (0.059 R)
• M11: 3,974,815 km (0.102 R)
• M12: 5,306,984 km (0.095 R)
• M13: 6,113,317 km (0.088 R)
• M14: 6,736,991 km (0.109 R)
• M15: 7,679,756 km (0.107 R)
• M16: 8,454,524 km (0.083 R)
• M17: 9,989,248 km (0.077 R)
• M18: 14,153,754 km (0.1 R)
• M19: 16,929,393 km (0.112 R)
• M20: 17,737,371 km (0.106 R)
• M21: 18,067,683 km (0.073 R)
• M22: 21,227,190 km (0.104 R)
• M23: 26,411,953 km (0.114 R)
• M24: 27,059,562 km (0.047 R)
• M25: 29,524,785 km (0.106 R)
• M26: 34,127,912 km (0.083 R)
• M27: 43,966,814 km (0.104 R)
• M28: 49,120,760 km (0.059 R)
• M29: 50,593,102 km (0.104 R)
• M30: 54,662,763 km (0.062 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: 248 - 15,571 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit