🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 468.5

Radius: 11.7

Gravity: 3.42 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 0.5 AU - 0.74 AU

Year: 331 Days

Day: 8.5 Hours

Environment

Temp: -145 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 62,380,059 km

• M1: 145,559 km (0.103 R)
• M2: 531,671 km (0.085 R)
• M3: 945,758 km (0.089 R)
• M4: 1,344,735 km (0.097 R)
• M5: 1,736,233 km (0.116 R)
• M6: 2,158,398 km (0.112 R)
• M7: 2,767,112 km (0.112 R)
• M8: 3,265,422 km (0.088 R)
• M9: 3,731,569 km (0.112 R)
• M10: 4,329,512 km (0.116 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 245.9

Radius: 12.9

Gravity: 1.48 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 0.63 AU - 0.87 AU

Year: 441 Days

Day: 13.2 Hours

Environment

Temp: -154 °C

Axial Tilt: 29.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 62,380,059 km

• M1: 161,416 km (0.106 R)
• M2: 615,446 km (0.028 R)
• M3: 1,056,909 km (0.118 R)
• M4: 1,556,865 km (0.086 R)
• M5: 1,969,456 km (0.1 R)
• M6: 2,398,353 km (0.053 R)
• M7: 3,141,106 km (0.1 R)
• M8: 4,056,047 km (0.106 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 926.5

Radius: 9.5

Gravity: 10.27 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 0.87 AU - 1.23 AU

Year: 730 Days

Day: 13.4 Hours

Environment

Temp: -187 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 62,380,059 km

• M1: 118,182 km (0.106 R)
• M2: 566,228 km (0.078 R)
• M3: 870,360 km (0.058 R)
• M4: 1,253,630 km (0.067 R)
• M5: 1,819,559 km (0.084 R)
• M6: 2,192,506 km (0.075 R)
• M7: 2,916,261 km (0.035 R)
• M8: 3,586,310 km (0.117 R)
• M9: 3,958,210 km (0.119 R)
• M10: 5,156,938 km (0.091 R)
• M11: 5,830,128 km (0.096 R)
• M12: 6,388,577 km (0.088 R)
• M13: 7,050,398 km (0.12 R)
• M14: 7,708,629 km (0.085 R)
• M15: 8,985,596 km (0.106 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 29.4

Radius: 10.4

Gravity: 0.27 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 1.62 AU - 2.08 AU

Year: 1707 Days

Day: 8.6 Hours

Environment

Temp: -192 °C

Axial Tilt: 12.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 62,380,059 km

• M1: 130,599 km (0.112 R)
• M2: 1,032,525 km (0.111 R)
• M3: 1,629,869 km (0.079 R)
• M4: 2,527,606 km (0.113 R)
• M5: 3,320,175 km (0.074 R)
• M6: 3,885,655 km (0.061 R)
• M7: 4,955,130 km (0.07 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 135.3

Radius: 12.9

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 2.25 AU - 3.37 AU

Year: 3195 Days

Day: 8.5 Hours

Environment

Temp: -206 °C

Axial Tilt: 23.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 62,380,059 km

• M1: 162,014 km (0.085 R)
• M2: 731,982 km (0.111 R)
• M3: 1,156,541 km (0.065 R)
• M4: 1,879,697 km (0.042 R)
• M5: 3,459,750 km (0.05 R)
• M6: 4,018,498 km (0.074 R)
• M7: 4,733,426 km (0.118 R)
• M8: 6,158,346 km (0.093 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 442.1

Radius: 11.8

Gravity: 3.18 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 3.88 AU - 4.9 AU

Year: 6239 Days

Day: 10.5 Hours

Environment

Temp: -214 °C

Axial Tilt: 24 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 62,380,059 km

• M1: 150,346 km (0.025 R)
• M2: 532,419 km (0.11 R)
• M3: 911,649 km (0.077 R)
• M4: 1,459,477 km (0.078 R)
• M5: 2,058,616 km (0.076 R)
• M6: 2,440,839 km (0.105 R)
• M7: 3,413,225 km (0.098 R)
• M8: 4,403,114 km (0.108 R)
• M9: 5,208,998 km (0.071 R)
• M10: 6,582,905 km (0.082 R)
• M11: 7,045,611 km (0.096 R)
• M12: 7,494,704 km (0.079 R)
• M13: 8,799,496 km (0.027 R)
• M14: 11,807,012 km (0.087 R)
• M15: 15,614,278 km (0.072 R)
• M16: 18,695,395 km (0.108 R)
• M17: 19,693,662 km (0.116 R)
• M18: 21,723,855 km (0.083 R)
• M19: 22,307,586 km (0.108 R)
• M20: 24,512,060 km (0.036 R)
• M21: 25,465,298 km (0.062 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 265.5

Radius: 6.9

Gravity: 5.58 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 5.3 AU - 6.14 AU

Year: 9279 Days

Day: 17.2 Hours

Environment

Temp: -217 °C

Axial Tilt: 42.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 62,380,059 km

• M1: 85,869 km (0.116 R)
• M2: 375,640 km (0.114 R)
• M3: 1,172,399 km (0.08 R)
• M4: 1,806,693 km (0.045 R)
• M5: 2,613,475 km (0.089 R)
• M6: 3,915,874 km (0.101 R)
• M7: 4,407,452 km (0.117 R)
• M8: 5,940,681 km (0.067 R)
• M9: 6,656,806 km (0.111 R)
• M10: 7,874,832 km (0.114 R)
• M11: 8,819,542 km (0.077 R)
• M12: 10,420,988 km (0.115 R)
• M13: 15,402,447 km (0.091 R)
• M14: 18,841,852 km (0.078 R)
• M15: 21,473,727 km (0.037 R)
• M16: 28,070,544 km (0.119 R)
• M17: 29,424,405 km (0.075 R)
• M18: 30,070,967 km (0.084 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 908.5

Radius: 6.3

Gravity: 22.89 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 5.88 AU - 8.16 AU

Year: 12615 Days

Day: 17.7 Hours

Environment

Temp: -240 °C

Axial Tilt: 82.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 62,380,059 km

• M1: 78,389 km (0.118 R)
• M2: 311,463 km (0.06 R)
• M3: 607,367 km (0.069 R)
• M4: 1,015,022 km (0.065 R)
• M5: 2,205,821 km (0.078 R)
• M6: 3,368,794 km (0.081 R)
• M7: 4,037,946 km (0.068 R)
• M8: 4,341,629 km (0.108 R)
• M9: 5,098,146 km (0.11 R)
• M10: 8,176,272 km (0.089 R)
• M11: 8,466,043 km (0.112 R)
• M12: 9,429,154 km (0.112 R)
• M13: 10,350,826 km (0.085 R)
• M14: 10,747,410 km (0.118 R)
• M15: 11,936,265 km (0.081 R)
• M16: 12,626,210 km (0.089 R)
• M17: 15,070,489 km (0.072 R)
• M18: 15,579,870 km (0.11 R)
• M19: 16,100,620 km (0.12 R)
• M20: 17,255,666 km (0.077 R)
• M21: 22,430,406 km (0.037 R)
• M22: 24,560,829 km (0.112 R)
• M23: 27,034,878 km (0.114 R)
• M24: 28,995,807 km (0.109 R)
• M25: 38,057,100 km (0.107 R)
• M26: 39,273,480 km (0.072 R)
• M27: 40,795,040 km (0.107 R)
• M28: 42,643,322 km (0.074 R)
• M29: 43,661,335 km (0.101 R)
• M30: 45,594,738 km (0.105 R)
• M31: 46,812,614 km (0.081 R)
• M32: 47,274,722 km (0.056 R)
• M33: 52,561,661 km (0.114 R)
• M34: 59,842,888 km (0.084 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 516

Radius: 6.9

Gravity: 10.84 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 8.14 AU - 9.06 AU

Year: 17106 Days

Day: 20.8 Hours

Environment

Temp: -241 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 62,380,059 km

• M1: 85,869 km (0.096 R)
• M2: 336,146 km (0.11 R)
• M3: 957,726 km (0.087 R)
• M4: 1,311,973 km (0.117 R)
• M5: 1,543,102 km (0.105 R)
• M6: 2,014,335 km (0.047 R)
• M7: 2,365,442 km (0.1 R)
• M8: 3,344,709 km (0.06 R)
• M9: 3,613,088 km (0.045 R)
• M10: 5,004,198 km (0.042 R)
• M11: 5,649,564 km (0.114 R)
• M12: 7,061,468 km (0.069 R)
• M13: 8,060,932 km (0.052 R)
• M14: 8,844,825 km (0.082 R)
• M15: 9,100,038 km (0.114 R)
• M16: 10,169,962 km (0.105 R)
• M17: 12,493,367 km (0.104 R)
• M18: 13,340,540 km (0.086 R)
• M19: 15,148,879 km (0.1 R)
• M20: 15,662,299 km (0.117 R)
• M21: 19,074,477 km (0.114 R)
• M22: 23,143,838 km (0.113 R)
• M23: 25,431,339 km (0.081 R)
• M24: 25,740,558 km (0.106 R)
• M25: 33,684,354 km (0.11 R)
• M26: 36,092,431 km (0.116 R)
• M27: 37,404,853 km (0.074 R)
• M28: 38,477,470 km (0.032 R)
• M29: 39,432,652 km (0.115 R)
• M30: 40,683,889 km (0.116 R)
• M31: 47,339,199 km (0.104 R)
• M32: 51,496,823 km (0.109 R)
• M33: 51,991,693 km (0.093 R)
• M34: 52,823,457 km (0.086 R)
• M35: 61,635,520 km (0.059 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 330 - 13,806 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit