🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 160

Radius: 8.2

Gravity: 2.38 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 0.43 AU - 0.61 AU

Year: 254 Days

Day: 10.9 Hours

Environment

Temp: -146 °C

Axial Tilt: 41.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 77,671,973 km

• M1: 102,774 km (0.103 R)
• M2: 358,137 km (0.083 R)
• M3: 652,845 km (0.104 R)
• M4: 931,845 km (0.045 R)
• M5: 1,207,853 km (0.111 R)
• M6: 2,401,794 km (0.113 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 977.9

Radius: 14.6

Gravity: 4.59 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 0.44 AU - 0.72 AU

Year: 300 Days

Day: 9 Hours

Environment

Temp: -146 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 77,671,973 km

• M1: 181,612 km (0.11 R)
• M2: 648,656 km (0.101 R)
• M3: 1,126,921 km (0.115 R)
• M4: 1,810,733 km (0.09 R)
• M5: 2,575,178 km (0.091 R)
• M6: 4,838,743 km (0.079 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 742.3

Radius: 11.1

Gravity: 6.02 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 0.61 AU - 0.95 AU

Year: 467 Days

Day: 13.9 Hours

Environment

Temp: -161 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 77,671,973 km

• M1: 138,079 km (0.079 R)
• M2: 568,771 km (0.029 R)
• M3: 991,535 km (0.069 R)
• M4: 1,934,600 km (0.104 R)
• M5: 2,290,643 km (0.113 R)
• M6: 2,639,505 km (0.114 R)
• M7: 3,013,051 km (0.06 R)
• M8: 3,621,316 km (0.081 R)
• M9: 4,154,333 km (0.056 R)
• M10: 4,632,896 km (0.058 R)
• M11: 5,805,893 km (0.048 R)
• M12: 6,182,880 km (0.069 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 393.4

Radius: 13.5

Gravity: 2.16 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 2.4 AU - 2.62 AU

Year: 2697 Days

Day: 9.5 Hours

Environment

Temp: -218 °C

Axial Tilt: 152.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 77,671,973 km

• M1: 167,849 km (0.087 R)
• M2: 653,593 km (0.039 R)
• M3: 1,159,683 km (0.058 R)
• M4: 1,966,015 km (0.06 R)
• M5: 2,591,334 km (0.087 R)
• M6: 3,498,047 km (0.101 R)
• M7: 4,245,588 km (0.115 R)
• M8: 5,367,721 km (0.093 R)
• M9: 6,364,492 km (0.072 R)
• M10: 7,921,058 km (0.115 R)
• M11: 9,718,775 km (0.093 R)
• M12: 10,207,811 km (0.099 R)
• M13: 11,813,893 km (0.107 R)
• M14: 13,539,654 km (0.032 R)
• M15: 13,974,236 km (0.111 R)
• M16: 15,998,445 km (0.096 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 192

Radius: 13.5

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 2.98 AU - 4.5 AU

Year: 4906 Days

Day: 6.4 Hours

Environment

Temp: -212 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 77,671,973 km

• M1: 168,896 km (0.106 R)
• M2: 620,382 km (0.116 R)
• M3: 1,078,002 km (0.063 R)
• M4: 1,727,407 km (0.056 R)
• M5: 4,060,535 km (0.114 R)
• M6: 5,262,703 km (0.066 R)
• M7: 5,729,299 km (0.087 R)
• M8: 7,448,328 km (0.112 R)
• M9: 8,426,998 km (0.085 R)
• M10: 9,453,987 km (0.12 R)
• M11: 10,372,219 km (0.09 R)
• M12: 10,833,579 km (0.067 R)
• M13: 16,858,034 km (0.093 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 12.5

Radius: 4.3

Gravity: 0.68 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 8.23 AU - 9.95 AU

Year: 18588 Days

Day: 24.3 Hours

Environment

Temp: -229 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 77,671,973 km

• M1: 108,010 km (0.116 R)
• M2: 407,505 km (0.074 R)
• M3: 737,218 km (0.041 R)
• M4: 2,264,463 km (0.037 R)
• M5: 3,576,735 km (0.119 R)
• M6: 7,545,866 km (0.102 R)
• M7: 13,374,947 km (0.119 R)
• M8: 13,968,552 km (0.089 R)
• M9: 14,437,092 km (0.12 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 556.8

Radius: 4.1

Gravity: 33.12 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 8.35 AU - 12.53 AU

Year: 22879 Days

Day: 19.9 Hours

Environment

Temp: -228 °C

Axial Tilt: 6.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 77,671,973 km

• M1: 62,532 km (0.111 R)
• M2: 233,672 km (0.046 R)
• M3: 445,951 km (0.104 R)
• M4: 635,492 km (0.073 R)
• M5: 1,007,841 km (0.114 R)
• M6: 2,917,158 km (0.096 R)
• M7: 4,480,606 km (0.06 R)
• M8: 4,690,940 km (0.115 R)
• M9: 6,094,168 km (0.086 R)
• M10: 7,218,995 km (0.076 R)
• M11: 7,655,671 km (0.11 R)
• M12: 7,805,119 km (0.059 R)
• M13: 8,058,538 km (0.078 R)
• M14: 14,350,325 km (0.084 R)
• M15: 16,985,342 km (0.097 R)
• M16: 18,910,667 km (0.096 R)
• M17: 21,963,361 km (0.043 R)
• M18: 23,292,089 km (0.067 R)
• M19: 30,620,739 km (0.112 R)
• M20: 37,455,716 km (0.095 R)
• M21: 38,612,557 km (0.088 R)
• M22: 38,758,864 km (0.12 R)
• M23: 39,792,884 km (0.078 R)
• M24: 40,392,023 km (0.106 R)
• M25: 44,755,345 km (0.116 R)
• M26: 45,566,165 km (0.036 R)
• M27: 55,698,878 km (0.113 R)
• M28: 57,585,008 km (0.046 R)
• M29: 58,351,248 km (0.04 R)
• M30: 59,124,370 km (0.108 R)
• M31: 66,391,385 km (0.093 R)
• M32: 70,674,672 km (0.086 R)
• M33: 74,005,468 km (0.202 R)
• M34: 77,671,962 km (0.098 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 242 - 13,632 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit