🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 48.7

Radius: 13.9

Gravity: 0.25 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 0.45 AU - 0.73 AU

Year: 302 Days

Day: 7.4 Hours

Environment

Temp: -158 °C

Axial Tilt: 20.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 48,148,761 km

• M1: 173,683 km (0.095 R)
• M2: 672,442 km (0.08 R)
• M3: 1,204,861 km (0.031 R)
• M4: 1,734,139 km (0.12 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 844.4

Radius: 8.2

Gravity: 12.56 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 0.88 AU - 1.04 AU

Year: 627 Days

Day: 13.3 Hours

Environment

Temp: -165 °C

Axial Tilt: 158.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 48,148,761 km

• M1: 102,026 km (0.092 R)
• M2: 411,394 km (0.092 R)
• M3: 687,103 km (0.12 R)
• M4: 999,164 km (0.102 R)
• M5: 1,261,260 km (0.104 R)
• M6: 1,911,562 km (0.113 R)
• M7: 2,231,851 km (0.096 R)
• M8: 2,677,054 km (0.103 R)
• M9: 3,335,285 km (0.11 R)
• M10: 3,860,223 km (0.098 R)
• M11: 4,487,039 km (0.111 R)
• M12: 5,127,018 km (0.112 R)
• M13: 5,432,347 km (0.107 R)
• M14: 6,259,474 km (0.078 R)
• M15: 6,546,104 km (0.081 R)
• M16: 6,970,962 km (0.067 R)
• M17: 7,301,423 km (0.082 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 774.8

Radius: 9.4

Gravity: 8.77 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 1.49 AU - 1.67 AU

Year: 1324 Days

Day: 13.7 Hours

Environment

Temp: -186 °C

Axial Tilt: 6.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 48,148,761 km

• M1: 116,986 km (0.105 R)
• M2: 474,674 km (0.08 R)
• M3: 811,419 km (0.078 R)
• M4: 1,782,907 km (0.11 R)
• M5: 2,085,993 km (0.072 R)
• M6: 2,387,283 km (0.108 R)
• M7: 3,226,377 km (0.096 R)
• M8: 3,648,393 km (0.119 R)
• M9: 5,160,528 km (0.099 R)
• M10: 5,828,931 km (0.036 R)
• M11: 6,750,305 km (0.094 R)
• M12: 7,207,027 km (0.1 R)
• M13: 9,366,771 km (0.1 R)
• M14: 9,680,029 km (0.065 R)
• M15: 11,422,845 km (0.066 R)
• M16: 11,780,683 km (0.076 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 310.4

Radius: 9.4

Gravity: 3.51 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 3.31 AU - 4.21 AU

Year: 4862 Days

Day: 7.3 Hours

Environment

Temp: -211 °C

Axial Tilt: 27.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 48,148,761 km

• M1: 117,135 km (0.12 R)
• M2: 422,165 km (0.105 R)
• M3: 740,659 km (0.045 R)
• M4: 1,079,648 km (0.092 R)
• M5: 1,389,315 km (0.093 R)
• M6: 2,112,621 km (0.035 R)
• M7: 2,999,138 km (0.076 R)
• M8: 4,115,437 km (0.069 R)
• M9: 4,887,362 km (0.108 R)
• M10: 5,207,053 km (0.097 R)
• M11: 7,300,974 km (0.083 R)
• M12: 7,918,215 km (0.102 R)
• M13: 8,818,944 km (0.096 R)
• M14: 9,594,908 km (0.11 R)
• M15: 10,456,143 km (0.067 R)
• M16: 11,240,485 km (0.05 R)
• M17: 11,668,933 km (0.118 R)
• M18: 12,108,003 km (0.11 R)
• M19: 13,444,361 km (0.075 R)
• M20: 13,878,344 km (0.111 R)
• M21: 14,471,649 km (0.104 R)
• M22: 16,847,862 km (0.045 R)
• M23: 18,510,193 km (0.106 R)
• M24: 19,350,784 km (0.118 R)
• M25: 19,780,429 km (0.103 R)
• M26: 20,216,357 km (0.1 R)
• M27: 20,978,857 km (0.102 R)
• M28: 21,367,064 km (0.104 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 819.3

Radius: 10.2

Gravity: 7.87 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 4.41 AU - 4.77 AU

Year: 6558 Days

Day: 11.3 Hours

Environment

Temp: -224 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 48,148,761 km

• M1: 128,056 km (0.113 R)
• M2: 496,815 km (0.081 R)
• M3: 871,856 km (0.12 R)
• M4: 1,927,718 km (0.041 R)
• M5: 2,328,341 km (0.064 R)
• M6: 3,708,681 km (0.108 R)
• M7: 4,575,301 km (0.039 R)
• M8: 6,706,024 km (0.064 R)
• M9: 8,772,569 km (0.108 R)
• M10: 10,302,955 km (0.066 R)
• M11: 12,483,942 km (0.073 R)
• M12: 14,834,723 km (0.117 R)
• M13: 15,954,463 km (0.11 R)
• M14: 16,535,053 km (0.026 R)
• M15: 17,398,382 km (0.115 R)
• M16: 17,806,934 km (0.082 R)
• M17: 20,544,724 km (0.079 R)
• M18: 21,154,934 km (0.107 R)
• M19: 24,473,613 km (0.104 R)
• M20: 24,900,715 km (0.098 R)
• M21: 25,507,035 km (0.065 R)
• M22: 27,202,578 km (0.064 R)
• M23: 28,687,486 km (0.093 R)
• M24: 29,162,459 km (0.095 R)
• M25: 32,532,451 km (0.089 R)
• M26: 35,278,469 km (0.063 R)
• M27: 35,823,753 km (0.12 R)
• M28: 37,043,126 km (0.072 R)
• M29: 37,380,319 km (0.089 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 105

Radius: 14.1

Gravity: 0.53 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 5.06 AU - 5.68 AU

Year: 8298 Days

Day: 9.1 Hours

Environment

Temp: -228 °C

Axial Tilt: 26.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 48,148,761 km

• M1: 176,825 km (0.12 R)
• M2: 627,713 km (0.076 R)
• M3: 1,098,348 km (0.12 R)
• M4: 1,913,058 km (0.116 R)
• M5: 2,509,055 km (0.098 R)
• M6: 6,785,610 km (0.115 R)
• M7: 7,368,593 km (0.11 R)
• M8: 8,847,966 km (0.078 R)
• M9: 11,132,026 km (0.104 R)
• M10: 11,988,624 km (0.078 R)
• M11: 13,261,552 km (0.108 R)
• M12: 14,323,398 km (0.112 R)
• M13: 14,773,837 km (0.108 R)
• M14: 21,461,011 km (0.071 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 741.2

Radius: 4.7

Gravity: 33.55 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 4.68 AU - 7.22 AU

Year: 9678 Days

Day: 20.9 Hours

Environment

Temp: -219 °C

Axial Tilt: 12.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 48,148,761 km

• M1: 62,233 km (0.111 R)
• M2: 244,593 km (0.085 R)
• M3: 1,422,825 km (0.105 R)
• M4: 2,191,758 km (0.103 R)
• M5: 3,828,808 km (0.078 R)
• M6: 4,267,728 km (0.077 R)
• M7: 5,410,207 km (0.069 R)
• M8: 5,820,853 km (0.109 R)
• M9: 7,588,950 km (0.083 R)
• M10: 9,392,951 km (0.103 R)
• M11: 9,587,728 km (0.074 R)
• M12: 11,081,761 km (0.087 R)
• M13: 12,255,955 km (0.114 R)
• M14: 15,380,606 km (0.12 R)
• M15: 23,678,949 km (0.057 R)
• M16: 24,130,885 km (0.12 R)
• M17: 28,055,734 km (0.063 R)
• M18: 34,650,906 km (0.118 R)
• M19: 45,877,179 km (0.036 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 387 - 16,667 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit