🌌 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: 444.3

Radius: 13.2

Gravity: 2.55 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 0.57 AU - 0.61 AU

Year: 319 Days

Day: 14.5 Hours

Environment

Temp: -155 °C

Axial Tilt: 42.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 28,619,662 km

• M1: 164,109 km (0.091 R)
• M2: 598,840 km (0.099 R)
• M3: 1,284,597 km (0.092 R)
• M4: 1,754,484 km (0.105 R)
• M5: 2,199,537 km (0.059 R)
• M6: 2,720,736 km (0.109 R)
• M7: 3,222,488 km (0.063 R)
• M8: 3,674,722 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 442.6

Radius: 9.8

Gravity: 4.61 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 1.26 AU - 1.9 AU

Year: 1396 Days

Day: 13.2 Hours

Environment

Temp: -192 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 28,619,662 km

• M1: 121,922 km (0.114 R)
• M2: 722,259 km (0.082 R)
• M3: 1,054,964 km (0.095 R)
• M4: 1,419,534 km (0.108 R)
• M5: 1,829,881 km (0.105 R)
• M6: 2,329,987 km (0.11 R)
• M7: 2,906,238 km (0.053 R)
• M8: 3,221,291 km (0.057 R)
• M9: 4,170,489 km (0.081 R)
• M10: 5,295,914 km (0.108 R)
• M11: 6,474,147 km (0.081 R)
• M12: 6,824,056 km (0.095 R)
• M13: 7,587,155 km (0.076 R)
• M14: 8,571,360 km (0.059 R)
• M15: 10,126,280 km (0.108 R)
• M16: 10,630,574 km (0.065 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 467

Radius: 13.5

Gravity: 2.56 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 1.54 AU - 2.16 AU

Year: 1769 Days

Day: 6.2 Hours

Environment

Temp: -198 °C

Axial Tilt: 1.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 28,619,662 km

• M1: 169,943 km (0.098 R)
• M2: 706,850 km (0.116 R)
• M3: 2,056,223 km (0.094 R)
• M4: 2,741,979 km (0.098 R)
• M5: 3,265,722 km (0.106 R)
• M6: 4,905,314 km (0.09 R)
• M7: 6,159,842 km (0.115 R)
• M8: 7,457,603 km (0.099 R)
• M9: 8,371,347 km (0.082 R)
• M10: 9,960,974 km (0.09 R)
• M11: 11,527,862 km (0.05 R)
• M12: 13,253,623 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 29.2

Radius: 14.1

Gravity: 0.15 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 3.99 AU - 4.83 AU

Year: 6510 Days

Day: 10.4 Hours

Environment

Temp: -231 °C

Axial Tilt: 22.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 28,619,662 km

• M1: 175,478 km (0.041 R)
• M2: 899,682 km (0.071 R)
• M3: 1,909,018 km (0.086 R)
• M4: 3,596,931 km (0.076 R)
• M5: 4,651,596 km (0.115 R)
• M6: 5,221,115 km (0.044 R)
• M7: 6,359,705 km (0.101 R)
• M8: 7,013,148 km (0.067 R)
• M9: 7,818,434 km (0.111 R)
• M10: 9,186,057 km (0.096 R)
• M11: 10,344,992 km (0.065 R)
• M12: 12,245,035 km (0.091 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 654.6

Radius: 14.2

Gravity: 3.25 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 4.36 AU - 4.72 AU

Year: 6800 Days

Day: 5.1 Hours

Environment

Temp: -223 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 28,619,662 km

• M1: 176,525 km (0.116 R)
• M2: 771,925 km (0.101 R)
• M3: 1,344,885 km (0.087 R)
• M4: 2,398,802 km (0.094 R)
• M5: 3,421,602 km (0.058 R)
• M6: 4,911,448 km (0.11 R)
• M7: 5,433,843 km (0.118 R)
• M8: 6,320,660 km (0.12 R)
• M9: 7,450,273 km (0.058 R)
• M10: 8,024,280 km (0.084 R)
• M11: 8,586,469 km (0.119 R)
• M12: 9,700,674 km (0.11 R)
• M13: 10,479,929 km (0.074 R)
• M14: 12,320,581 km (0.085 R)
• M15: 13,125,268 km (0.091 R)
• M16: 14,310,233 km (0.049 R)
• M17: 14,839,361 km (0.099 R)
• M18: 16,570,059 km (0.076 R)
• M19: 19,699,945 km (0.112 R)
• M20: 20,577,337 km (0.105 R)
• M21: 22,253,282 km (0.12 R)
• M22: 26,750,642 km (0.079 R)
• M23: 27,464,823 km (0.12 R)
• M24: 29,305,924 km (0.039 R)
• M25: 30,352,959 km (0.03 R)
• M26: 33,028,667 km (0.1 R)
• M27: 33,541,039 km (0.055 R)
• M28: 35,215,937 km (0.082 R)
• M29: 35,858,161 km (0.115 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 293.5

Radius: 14.7

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 4.05 AU - 5.25 AU

Year: 7048 Days

Day: 9.8 Hours

Environment

Temp: -225 °C

Axial Tilt: 10.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 28,619,662 km

• M1: 182,809 km (0.105 R)
• M2: 676,930 km (0.071 R)
• M3: 1,454,989 km (0.107 R)
• M4: 2,274,636 km (0.108 R)
• M5: 3,060,473 km (0.1 R)
• M6: 4,250,823 km (0.082 R)
• M7: 6,142,788 km (0.119 R)
• M8: 7,225,876 km (0.118 R)
• M9: 8,507,781 km (0.058 R)
• M10: 9,282,997 km (0.12 R)
• M11: 11,199,794 km (0.065 R)
• M12: 12,131,639 km (0.118 R)
• M13: 15,017,233 km (0.045 R)
• M14: 17,158,128 km (0.108 R)
• M15: 19,167,975 km (0.054 R)
• M16: 21,190,838 km (0.115 R)
• M17: 24,563,821 km (0.061 R)
• M18: 25,816,553 km (0.091 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 204 - 12,069 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit