🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 194.3

Radius: 12.1

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 0.67 AU - 0.89 AU

Year: 467 Days

Day: 13.8 Hours

Environment

Temp: -156 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 53,864,619 km

• M1: 151,393 km (0.116 R)
• M2: 536,009 km (0.072 R)
• M3: 938,278 km (0.093 R)
• M4: 1,360,742 km (0.093 R)
• M5: 1,758,074 km (0.119 R)
• M6: 2,933,913 km (0.107 R)
• M7: 3,418,910 km (0.103 R)
• M8: 3,945,644 km (0.109 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 140.1

Radius: 13.2

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 0.78 AU - 0.98 AU

Year: 560 Days

Day: 5.3 Hours

Environment

Temp: -175 °C

Axial Tilt: 20.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 53,864,619 km

• M1: 164,258 km (0.104 R)
• M2: 597,643 km (0.108 R)
• M3: 1,047,484 km (0.076 R)
• M4: 1,543,102 km (0.066 R)
• M5: 2,069,537 km (0.071 R)
• M6: 2,499,930 km (0.107 R)
• M7: 3,387,793 km (0.095 R)
• M8: 3,831,650 km (0.093 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 830.4

Radius: 11.6

Gravity: 6.17 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 1.19 AU - 1.21 AU

Year: 892 Days

Day: 11.6 Hours

Environment

Temp: -176 °C

Axial Tilt: 27.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 53,864,619 km

• M1: 147,354 km (0.063 R)
• M2: 601,832 km (0.112 R)
• M3: 966,253 km (0.045 R)
• M4: 1,371,364 km (0.032 R)
• M5: 1,799,064 km (0.072 R)
• M6: 2,230,654 km (0.118 R)
• M7: 2,694,856 km (0.12 R)
• M8: 3,101,463 km (0.076 R)
• M9: 3,913,331 km (0.074 R)
• M10: 4,879,733 km (0.081 R)
• M11: 5,668,563 km (0.054 R)
• M12: 6,190,061 km (0.118 R)
• M13: 6,904,091 km (0.097 R)
• M14: 7,847,755 km (0.068 R)
• M15: 8,364,017 km (0.064 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 833.1

Radius: 9.5

Gravity: 9.23 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 1.68 AU - 2.44 AU

Year: 2005 Days

Day: 11.2 Hours

Environment

Temp: -206 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 53,864,619 km

• M1: 118,482 km (0.118 R)
• M2: 631,901 km (0.119 R)
• M3: 1,111,811 km (0.087 R)
• M4: 1,891,366 km (0.077 R)
• M5: 2,333,876 km (0.067 R)
• M6: 3,428,185 km (0.119 R)
• M7: 5,788,241 km (0.107 R)
• M8: 6,780,673 km (0.052 R)
• M9: 7,116,520 km (0.102 R)
• M10: 8,637,482 km (0.053 R)
• M11: 8,999,210 km (0.068 R)
• M12: 9,613,159 km (0.029 R)
• M13: 11,154,017 km (0.07 R)
• M14: 12,980,906 km (0.092 R)
• M15: 13,543,843 km (0.074 R)
• M16: 14,811,536 km (0.041 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 817.6

Radius: 10.1

Gravity: 8.01 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 2.15 AU - 2.87 AU

Year: 2697 Days

Day: 10.7 Hours

Environment

Temp: -204 °C

Axial Tilt: 20.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 53,864,619 km

• M1: 128,205 km (0.102 R)
• M2: 701,016 km (0.101 R)
• M3: 1,265,149 km (0.091 R)
• M4: 1,611,917 km (0.059 R)
• M5: 2,990,910 km (0.101 R)
• M6: 3,320,474 km (0.074 R)
• M7: 3,831,052 km (0.12 R)
• M8: 4,242,446 km (0.051 R)
• M9: 5,033,520 km (0.116 R)
• M10: 5,579,253 km (0.082 R)
• M11: 6,191,706 km (0.092 R)
• M12: 7,613,784 km (0.112 R)
• M13: 8,469,334 km (0.103 R)
• M14: 9,795,818 km (0.1 R)
• M15: 10,647,479 km (0.105 R)
• M16: 12,765,934 km (0.112 R)
• M17: 13,406,213 km (0.073 R)
• M18: 13,734,281 km (0.091 R)
• M19: 14,455,343 km (0.079 R)
• M20: 17,818,902 km (0.052 R)
• M21: 20,351,294 km (0.103 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 712.1

Radius: 3.6

Gravity: 54.95 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 5.46 AU - 7.88 AU

Year: 11684 Days

Day: 24.2 Hours

Environment

Temp: -236 °C

Axial Tilt: 5.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 53,864,619 km

• M1: 47,722 km (0.118 R)
• M2: 180,116 km (0.059 R)
• M3: 353,500 km (0.038 R)
• M4: 633,547 km (0.112 R)
• M5: 1,023,848 km (0.068 R)
• M6: 1,139,786 km (0.112 R)
• M7: 1,290,581 km (0.116 R)
• M8: 1,541,905 km (0.096 R)
• M9: 1,710,951 km (0.025 R)
• M10: 1,892,263 km (0.049 R)
• M11: 2,392,070 km (0.053 R)
• M12: 3,412,327 km (0.109 R)
• M13: 4,003,688 km (0.105 R)
• M14: 5,283,348 km (0.066 R)
• M15: 5,561,450 km (0.085 R)
• M16: 6,071,579 km (0.072 R)
• M17: 6,184,825 km (0.119 R)
• M18: 6,415,505 km (0.098 R)
• M19: 7,743,934 km (0.052 R)
• M20: 9,803,448 km (0.116 R)
• M21: 10,819,666 km (0.106 R)
• M22: 11,496,297 km (0.067 R)
• M23: 11,845,159 km (0.05 R)
• M24: 13,630,909 km (0.112 R)
• M25: 14,893,366 km (0.1 R)
• M26: 15,447,476 km (0.062 R)
• M27: 16,596,837 km (0.118 R)
• M28: 17,571,766 km (0.072 R)
• M29: 19,552,741 km (0.066 R)
• M30: 20,809,961 km (0.093 R)
• M31: 21,502,151 km (0.114 R)
• M32: 25,486,989 km (0.079 R)
• M33: 27,291,738 km (0.113 R)
• M34: 38,888,415 km (0.094 R)
• M35: 43,474,936 km (0.103 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 450 - 16,640 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit