🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 782.9

Radius: 13.7

Gravity: 4.17 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 0.54 AU - 0.76 AU

Year: 368 Days

Day: 10.2 Hours

Environment

Temp: -161 °C

Axial Tilt: 43.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 40,729,256 km

• M1: 170,542 km (0.052 R)
• M2: 641,027 km (0.119 R)
• M3: 1,079,797 km (0.047 R)
• M4: 1,914,105 km (0.114 R)
• M5: 2,394,164 km (0.085 R)
• M6: 2,842,060 km (0.11 R)
• M7: 4,117,083 km (0.09 R)
• M8: 4,737,765 km (0.054 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 907.1

Radius: 9.1

Gravity: 10.95 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 0.78 AU - 1.02 AU

Year: 600 Days

Day: 14.5 Hours

Environment

Temp: -164 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 40,729,256 km

• M1: 113,246 km (0.108 R)
• M2: 401,670 km (0.103 R)
• M3: 763,548 km (0.077 R)
• M4: 1,465,910 km (0.102 R)
• M5: 1,763,759 km (0.118 R)
• M6: 2,442,185 km (0.12 R)
• M7: 2,726,571 km (0.066 R)
• M8: 3,157,413 km (0.105 R)
• M9: 3,932,180 km (0.113 R)
• M10: 4,294,207 km (0.083 R)
• M11: 4,612,850 km (0.097 R)
• M12: 5,120,586 km (0.106 R)
• M13: 5,571,623 km (0.102 R)
• M14: 6,029,542 km (0.078 R)
• M15: 6,826,899 km (0.109 R)
• M16: 7,373,978 km (0.109 R)
• M17: 7,949,930 km (0.053 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 840.4

Radius: 14

Gravity: 4.29 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 0.95 AU - 1.23 AU

Year: 800 Days

Day: 8.5 Hours

Environment

Temp: -169 °C

Axial Tilt: 5.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 40,729,256 km

• M1: 174,431 km (0.101 R)
• M2: 636,389 km (0.107 R)
• M3: 1,267,692 km (0.09 R)
• M4: 1,738,626 km (0.105 R)
• M5: 2,224,670 km (0.099 R)
• M6: 3,180,152 km (0.085 R)
• M7: 4,962,461 km (0.066 R)
• M8: 5,406,467 km (0.07 R)
• M9: 6,185,124 km (0.111 R)
• M10: 6,745,069 km (0.045 R)
• M11: 7,721,045 km (0.091 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 409.5

Radius: 9.5

Gravity: 4.54 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 2.89 AU - 3.03 AU

Year: 3580 Days

Day: 11.7 Hours

Environment

Temp: -221 °C

Axial Tilt: 22.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 40,729,256 km

• M1: 123,269 km (0.065 R)
• M2: 430,543 km (0.116 R)
• M3: 732,880 km (0.116 R)
• M4: 2,663,291 km (0.108 R)
• M5: 3,097,274 km (0.028 R)
• M6: 3,448,829 km (0.081 R)
• M7: 3,925,747 km (0.081 R)
• M8: 4,402,965 km (0.112 R)
• M9: 6,883,148 km (0.07 R)
• M10: 7,767,121 km (0.111 R)
• M11: 8,419,667 km (0.052 R)
• M12: 9,466,404 km (0.081 R)
• M13: 10,953,855 km (0.085 R)
• M14: 13,126,465 km (0.12 R)
• M15: 17,912,699 km (0.115 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 410.3

Radius: 9

Gravity: 5.07 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 3.11 AU - 4.31 AU

Year: 5023 Days

Day: 10.6 Hours

Environment

Temp: -224 °C

Axial Tilt: 5.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 40,729,256 km

• M1: 114,742 km (0.08 R)
• M2: 421,268 km (0.075 R)
• M3: 1,008,888 km (0.039 R)
• M4: 2,667,779 km (0.098 R)
• M5: 3,102,510 km (0.08 R)
• M6: 4,745,544 km (0.1 R)
• M7: 5,227,249 km (0.095 R)
• M8: 5,797,067 km (0.095 R)
• M9: 7,553,795 km (0.105 R)
• M10: 8,246,732 km (0.072 R)
• M11: 8,943,559 km (0.098 R)
• M12: 10,123,138 km (0.092 R)
• M13: 11,853,088 km (0.077 R)
• M14: 13,078,145 km (0.064 R)
• M15: 16,908,898 km (0.112 R)
• M16: 20,558,637 km (0.075 R)
• M17: 21,023,886 km (0.087 R)
• M18: 21,632,301 km (0.077 R)
• M19: 25,531,869 km (0.046 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 725.3

Radius: 11.1

Gravity: 5.89 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 3.91 AU - 6.03 AU

Year: 7788 Days

Day: 13.2 Hours

Environment

Temp: -232 °C

Axial Tilt: 0 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 40,729,256 km

• M1: 138,079 km (0.081 R)
• M2: 547,678 km (0.095 R)
• M3: 1,004,699 km (0.119 R)
• M4: 1,673,851 km (0.045 R)
• M5: 2,294,233 km (0.103 R)
• M6: 3,191,820 km (0.066 R)
• M7: 3,625,205 km (0.059 R)
• M8: 4,753,622 km (0.085 R)
• M9: 6,592,329 km (0.114 R)
• M10: 7,771,310 km (0.032 R)
• M11: 9,961,423 km (0.105 R)
• M12: 10,395,406 km (0.1 R)
• M13: 10,791,841 km (0.079 R)
• M14: 12,314,149 km (0.119 R)
• M15: 13,915,295 km (0.065 R)
• M16: 14,397,299 km (0.114 R)
• M17: 16,504,235 km (0.066 R)
• M18: 17,112,800 km (0.074 R)
• M19: 17,947,556 km (0.061 R)
• M20: 21,162,564 km (0.075 R)
• M21: 21,559,746 km (0.056 R)
• M22: 23,791,148 km (0.067 R)
• M23: 24,394,027 km (0.1 R)
• M24: 25,006,930 km (0.116 R)
• M25: 26,172,447 km (0.06 R)
• M26: 30,085,777 km (0.092 R)
• M27: 31,817,074 km (0.033 R)
• M28: 33,829,614 km (0.045 R)
• M29: 38,223,752 km (0.107 R)
• M30: 38,931,948 km (0.1 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 865.5

Radius: 7.9

Gravity: 13.87 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 5.98 AU - 6.98 AU

Year: 11595 Days

Day: 23.4 Hours

Environment

Temp: -220 °C

Axial Tilt: 28.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 40,729,256 km

• M1: 98,286 km (0.096 R)
• M2: 354,697 km (0.096 R)
• M3: 612,005 km (0.046 R)
• M4: 1,113,307 km (0.046 R)
• M5: 1,534,425 km (0.051 R)
• M6: 1,916,947 km (0.114 R)
• M7: 2,382,047 km (0.103 R)
• M8: 3,109,093 km (0.108 R)
• M9: 3,590,349 km (0.118 R)
• M10: 10,017,821 km (0.12 R)
• M11: 11,066,054 km (0.101 R)
• M12: 11,646,194 km (0.075 R)
• M13: 16,069,055 km (0.116 R)
• M14: 17,657,485 km (0.118 R)
• M15: 18,209,352 km (0.057 R)
• M16: 19,597,770 km (0.056 R)
• M17: 21,319,941 km (0.118 R)
• M18: 23,140,547 km (0.091 R)
• M19: 24,572,348 km (0.057 R)
• M20: 26,777,720 km (0.096 R)
• M21: 28,894,230 km (0.09 R)
• M22: 30,328,276 km (0.11 R)
• M23: 36,034,686 km (0.113 R)
• M24: 38,347,021 km (0.036 R)
• M25: 38,741,809 km (0.059 R)
• M26: 39,807,694 km (0.051 R)
• M27: 52,368,081 km (0.115 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 176.5

Radius: 3.2

Gravity: 17.24 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 7.79 AU - 7.89 AU

Year: 15431 Days

Day: 18.5 Hours

Environment

Temp: -239 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 40,729,256 km

• M1: 39,793 km (0.068 R)
• M2: 490,980 km (0.079 R)
• M3: 746,793 km (0.108 R)
• M4: 849,566 km (0.114 R)
• M5: 1,725,163 km (0.09 R)
• M6: 2,051,136 km (0.079 R)
• M7: 2,272,541 km (0.11 R)
• M8: 3,365,952 km (0.068 R)
• M9: 3,601,270 km (0.04 R)
• M10: 3,923,354 km (0.082 R)
• M11: 5,565,340 km (0.074 R)
• M12: 5,728,102 km (0.118 R)
• M13: 7,071,342 km (0.103 R)
• M14: 7,417,661 km (0.113 R)
• M15: 8,567,620 km (0.097 R)
• M16: 9,550,777 km (0.077 R)
• M17: 9,926,118 km (0.063 R)
• M18: 10,958,194 km (0.05 R)
• M19: 11,737,898 km (0.062 R)
• M20: 19,873,628 km (0.087 R)
• M21: 20,639,270 km (0.109 R)
• M22: 20,872,793 km (0.108 R)
• M23: 23,221,479 km (0.104 R)
• M24: 25,116,435 km (0.054 R)
• M25: 26,926,420 km (0.034 R)
• M26: 28,918,465 km (0.097 R)
• M27: 31,108,279 km (0.082 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: 533 - 13,484 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit