🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.52 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 321.7

Radius: 10.5

Gravity: 2.92 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 0.79 AU - 1.27 AU

Year: 675 Days

Day: 9.6 Hours

Environment

Temp: -161 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 50,951,982 km

• M1: 130,599 km (0.062 R)
• M2: 541,245 km (0.079 R)
• M3: 877,242 km (0.104 R)
• M4: 1,262,008 km (0.114 R)
• M5: 1,685,968 km (0.111 R)
• M6: 2,195,349 km (0.096 R)
• M7: 2,570,540 km (0.106 R)
• M8: 3,343,512 km (0.114 R)
• M9: 3,830,304 km (0.074 R)
• M10: 4,567,373 km (0.117 R)
• M11: 5,563,545 km (0.085 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 718.5

Radius: 12.8

Gravity: 4.39 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 1.02 AU - 1.04 AU

Year: 675 Days

Day: 5.5 Hours

Environment

Temp: -166 °C

Axial Tilt: 16.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 50,951,982 km

• M1: 159,322 km (0.114 R)
• M2: 569,968 km (0.098 R)
• M3: 1,084,585 km (0.1 R)
• M4: 1,703,321 km (0.037 R)
• M5: 2,507,709 km (0.118 R)
• M6: 3,730,223 km (0.032 R)
• M7: 4,334,150 km (0.077 R)
• M8: 5,406,766 km (0.081 R)
• M9: 5,948,011 km (0.11 R)
• M10: 6,859,362 km (0.079 R)
• M11: 7,494,554 km (0.103 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 229.6

Radius: 11.5

Gravity: 1.74 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 1.88 AU - 2.44 AU

Year: 2050 Days

Day: 5.6 Hours

Environment

Temp: -182 °C

Axial Tilt: 9.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 50,951,982 km

• M1: 143,016 km (0.118 R)
• M2: 535,411 km (0.104 R)
• M3: 1,198,728 km (0.099 R)
• M4: 1,993,691 km (0.088 R)
• M5: 2,385,039 km (0.12 R)
• M6: 2,763,521 km (0.063 R)
• M7: 4,356,888 km (0.066 R)
• M8: 6,263,663 km (0.093 R)
• M9: 6,894,667 km (0.055 R)
• M10: 8,202,302 km (0.043 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 764

Radius: 11.1

Gravity: 6.2 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 3.36 AU - 3.58 AU

Year: 4174 Days

Day: 7.5 Hours

Environment

Temp: -214 °C

Axial Tilt: 9.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 50,951,982 km

• M1: 138,079 km (0.117 R)
• M2: 544,237 km (0.088 R)
• M3: 993,180 km (0.118 R)
• M4: 1,459,327 km (0.11 R)
• M5: 2,688,872 km (0.118 R)
• M6: 3,042,671 km (0.111 R)
• M7: 3,695,516 km (0.091 R)
• M8: 4,112,445 km (0.105 R)
• M9: 6,164,479 km (0.086 R)
• M10: 6,658,003 km (0.049 R)
• M11: 8,595,744 km (0.109 R)
• M12: 9,133,848 km (0.05 R)
• M13: 10,192,701 km (0.116 R)
• M14: 11,560,175 km (0.118 R)
• M15: 15,875,625 km (0.109 R)
• M16: 16,627,654 km (0.116 R)
• M17: 19,480,635 km (0.072 R)
• M18: 20,074,688 km (0.111 R)
• M19: 20,885,658 km (0.117 R)
• M20: 21,577,847 km (0.109 R)
• M21: 22,500,717 km (0.072 R)
• M22: 23,154,758 km (0.113 R)
• M23: 24,348,998 km (0.101 R)
• M24: 25,271,269 km (0.05 R)
• M25: 25,819,844 km (0.069 R)
• M26: 26,216,578 km (0.117 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 286.7

Radius: 8.4

Gravity: 4.06 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 3.18 AU - 3.86 AU

Year: 4264 Days

Day: 11.4 Hours

Environment

Temp: -207 °C

Axial Tilt: 11.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 50,951,982 km

• M1: 104,419 km (0.093 R)
• M2: 772,823 km (0.085 R)
• M3: 1,909,318 km (0.043 R)
• M4: 2,962,337 km (0.062 R)
• M5: 3,710,626 km (0.09 R)
• M6: 6,182,282 km (0.097 R)
• M7: 7,276,291 km (0.038 R)
• M8: 9,151,650 km (0.098 R)
• M9: 11,659,209 km (0.039 R)
• M10: 14,159,289 km (0.076 R)
• M11: 15,891,632 km (0.061 R)
• M12: 16,889,001 km (0.106 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.57 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 695.9

Radius: 7.1

Gravity: 13.8 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 5.88 AU - 7.26 AU

Year: 10873 Days

Day: 16.5 Hours

Environment

Temp: -225 °C

Axial Tilt: 48.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 50,951,982 km

• M1: 88,412 km (0.096 R)
• M2: 338,241 km (0.081 R)
• M3: 579,841 km (0.067 R)
• M4: 836,252 km (0.074 R)
• M5: 1,253,331 km (0.047 R)
• M6: 1,949,559 km (0.102 R)
• M7: 2,344,647 km (0.115 R)
• M8: 3,671,431 km (0.105 R)
• M9: 4,189,040 km (0.093 R)
• M10: 4,600,733 km (0.032 R)
• M11: 5,505,052 km (0.111 R)
• M12: 5,784,052 km (0.103 R)
• M13: 6,835,426 km (0.098 R)
• M14: 7,364,703 km (0.089 R)
• M15: 9,262,203 km (0.112 R)
• M16: 14,186,067 km (0.087 R)
• M17: 15,046,255 km (0.111 R)
• M18: 16,294,050 km (0.087 R)
• M19: 19,152,267 km (0.035 R)
• M20: 20,120,016 km (0.078 R)
• M21: 20,951,182 km (0.076 R)
• M22: 23,856,372 km (0.102 R)
• M23: 36,187,875 km (0.092 R)
• M24: 36,675,713 km (0.082 R)
• M25: 41,398,069 km (0.116 R)
• M26: 44,668,727 km (0.112 R)
• M27: 44,948,775 km (0.097 R)
• M28: 45,512,459 km (0.079 R)
• M29: 50,344,022 km (0.078 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 451 - 10,691 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit