🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.09

Radius: 1.34

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 0.47 AU - 0.73 AU

Year: 300 Days

Day: 34.7 Hours

Environment

Temp: -134 °C

Axial Tilt: 18.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 1.02 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 55.8

Radius: 11.8

Gravity: 0.4 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 1.18 AU - 1.68 AU

Year: 1104 Days

Day: 13.1 Hours

Environment

Temp: -186 °C

Axial Tilt: 22.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 78,369,291 km

• M1: 147,204 km (0.102 R)
• M2: 917,933 km (0.089 R)
• M3: 1,491,640 km (0.114 R)
• M4: 2,086,741 km (0.098 R)
• M5: 2,674,660 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 474.8

Radius: 11.4

Gravity: 3.65 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 1.85 AU - 2.35 AU

Year: 1965 Days

Day: 11.4 Hours

Environment

Temp: -196 °C

Axial Tilt: 4.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 78,369,291 km

• M1: 141,968 km (0.062 R)
• M2: 548,575 km (0.105 R)
• M3: 920,775 km (0.098 R)
• M4: 2,126,235 km (0.108 R)
• M5: 2,998,390 km (0.08 R)
• M6: 3,725,286 km (0.111 R)
• M7: 5,330,621 km (0.082 R)
• M8: 5,894,156 km (0.078 R)
• M9: 6,299,866 km (0.083 R)
• M10: 7,574,739 km (0.107 R)
• M11: 8,026,225 km (0.063 R)
• M12: 9,361,236 km (0.032 R)
• M13: 11,195,755 km (0.114 R)
• M14: 11,970,074 km (0.115 R)
• M15: 13,057,650 km (0.033 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 45.2

Radius: 9.8

Gravity: 0.47 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 2.97 AU - 3.67 AU

Year: 3906 Days

Day: 10.7 Hours

Environment

Temp: -199 °C

Axial Tilt: 41 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 78,369,291 km

• M1: 121,922 km (0.113 R)
• M2: 564,134 km (0.08 R)
• M3: 1,085,333 km (0.115 R)
• M4: 2,753,050 km (0.09 R)
• M5: 5,299,804 km (0.095 R)
• M6: 5,761,164 km (0.061 R)
• M7: 6,536,978 km (0.112 R)
• M8: 9,114,400 km (0.072 R)
• M9: 9,896,348 km (0.118 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 256.2

Radius: 9.8

Gravity: 2.67 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 3.21 AU - 3.65 AU

Year: 4102 Days

Day: 9.2 Hours

Environment

Temp: -199 °C

Axial Tilt: 27.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 78,369,291 km

• M1: 121,922 km (0.106 R)
• M2: 708,346 km (0.098 R)
• M3: 1,802,505 km (0.112 R)
• M4: 3,154,720 km (0.087 R)
• M5: 5,793,776 km (0.1 R)
• M6: 6,453,652 km (0.115 R)
• M7: 6,901,847 km (0.074 R)
• M8: 9,111,258 km (0.081 R)
• M9: 9,857,153 km (0.078 R)
• M10: 12,086,760 km (0.067 R)
• M11: 12,510,122 km (0.111 R)
• M12: 13,031,022 km (0.085 R)
• M13: 18,170,008 km (0.051 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 227.4

Radius: 11.8

Gravity: 1.63 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 3.59 AU - 4.51 AU

Year: 5263 Days

Day: 14.4 Hours

Environment

Temp: -213 °C

Axial Tilt: 45.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 78,369,291 km

• M1: 181,163 km (0.1 R)
• M2: 598,541 km (0.09 R)
• M3: 1,029,084 km (0.107 R)
• M4: 1,401,882 km (0.057 R)
• M5: 3,255,998 km (0.079 R)
• M6: 4,084,321 km (0.119 R)
• M7: 4,764,842 km (0.06 R)
• M8: 5,392,554 km (0.095 R)
• M9: 5,939,335 km (0.118 R)
• M10: 7,267,016 km (0.096 R)
• M11: 8,368,954 km (0.116 R)
• M12: 10,304,301 km (0.071 R)
• M13: 11,439,450 km (0.036 R)
• M14: 15,243,425 km (0.083 R)
• M15: 20,932,482 km (0.117 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 173.4

Radius: 14.8

Gravity: 0.79 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 4.09 AU - 4.77 AU

Year: 6020 Days

Day: 14.6 Hours

Environment

Temp: -215 °C

Axial Tilt: 14.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 78,369,291 km

• M1: 184,305 km (0.095 R)
• M2: 701,464 km (0.099 R)
• M3: 1,369,569 km (0.117 R)
• M4: 2,163,484 km (0.089 R)
• M5: 3,429,681 km (0.111 R)
• M6: 4,301,687 km (0.074 R)
• M7: 5,698,332 km (0.105 R)
• M8: 6,207,564 km (0.049 R)
• M9: 6,717,842 km (0.106 R)
• M10: 7,442,045 km (0.091 R)
• M11: 8,695,077 km (0.116 R)
• M12: 10,007,948 km (0.045 R)
• M13: 10,513,290 km (0.083 R)
• M14: 11,745,078 km (0.053 R)
• M15: 14,153,455 km (0.108 R)
• M16: 14,841,156 km (0.084 R)
• M17: 18,044,346 km (0.063 R)
• M18: 18,678,042 km (0.05 R)
• M19: 20,544,126 km (0.116 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 659.1

Radius: 5.9

Gravity: 18.93 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 7.93 AU - 12.65 AU

Year: 21313 Days

Day: 15.4 Hours

Environment

Temp: -239 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 78,369,291 km

• M1: 74,949 km (0.099 R)
• M2: 265,985 km (0.11 R)
• M3: 478,713 km (0.104 R)
• M4: 747,840 km (0.103 R)
• M5: 1,038,508 km (0.103 R)
• M6: 1,341,295 km (0.108 R)
• M7: 1,737,430 km (0.078 R)
• M8: 2,042,759 km (0.11 R)
• M9: 2,251,448 km (0.114 R)
• M10: 2,736,444 km (0.045 R)
• M11: 4,007,278 km (0.066 R)
• M12: 4,302,136 km (0.102 R)
• M13: 4,789,675 km (0.111 R)
• M14: 5,999,323 km (0.118 R)
• M15: 7,694,417 km (0.084 R)
• M16: 8,517,654 km (0.098 R)
• M17: 8,950,590 km (0.046 R)
• M18: 9,919,236 km (0.06 R)
• M19: 10,459,434 km (0.101 R)
• M20: 10,767,905 km (0.034 R)
• M21: 15,588,098 km (0.089 R)
• M22: 18,285,647 km (0.068 R)
• M23: 22,583,145 km (0.11 R)
• M24: 22,891,466 km (0.064 R)
• M25: 23,727,419 km (0.09 R)
• M26: 27,044,153 km (0.079 R)
• M27: 34,038,004 km (0.098 R)
• M28: 38,823,041 km (0.08 R)
• M29: 44,358,312 km (0.117 R)
• M30: 44,841,962 km (0.047 R)
• M31: 52,525,458 km (0.105 R)
• M32: 52,885,989 km (0.105 R)
• M33: 53,429,777 km (0.055 R)
• M34: 55,642,479 km (0.116 R)
• M35: 57,532,499 km (0.113 R)
• M36: 62,848,309 km (0.069 R)
• M37: 64,897,351 km (0.113 R)
• M38: 69,561,215 km (0.067 R)
• M39: 71,753,123 km (0.087 R)
• M40: 76,274,270 km (0.077 R)
• M41: 76,505,249 km (0.114 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: 531 - 12,295 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit