🌌 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: 85.6

Radius: 11.9

Gravity: 0.6 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 0.48 AU - 0.76 AU

Year: 326 Days

Day: 14.1 Hours

Environment

Temp: -150 °C

Axial Tilt: 27.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 78,474,705 km

• M1: 162,463 km (0.067 R)
• M2: 687,103 km (0.028 R)
• M3: 1,258,268 km (0.119 R)
• M4: 1,860,549 km (0.046 R)
• M5: 2,341,506 km (0.045 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 161

Radius: 12.5

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 0.54 AU - 0.84 AU

Year: 382 Days

Day: 9.6 Hours

Environment

Temp: -165 °C

Axial Tilt: 46.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 78,474,705 km

• M1: 155,731 km (0.113 R)
• M2: 717,621 km (0.036 R)
• M3: 1,253,331 km (0.05 R)
• M4: 1,697,936 km (0.105 R)
• M5: 2,142,092 km (0.052 R)
• M6: 2,934,661 km (0.106 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 434.9

Radius: 13.2

Gravity: 2.5 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 0.94 AU - 1.04 AU

Year: 657 Days

Day: 7.7 Hours

Environment

Temp: -171 °C

Axial Tilt: 41.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 78,474,705 km

• M1: 164,109 km (0.083 R)
• M2: 611,855 km (0.085 R)
• M3: 1,084,136 km (0.075 R)
• M4: 1,598,752 km (0.089 R)
• M5: 2,149,572 km (0.064 R)
• M6: 2,596,121 km (0.103 R)
• M7: 3,692,973 km (0.08 R)
• M8: 4,502,298 km (0.108 R)
• M9: 4,981,609 km (0.045 R)
• M10: 5,563,844 km (0.104 R)
• M11: 6,247,057 km (0.089 R)
• M12: 6,706,921 km (0.074 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 795.9

Radius: 13.9

Gravity: 4.12 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 1.48 AU - 1.78 AU

Year: 1388 Days

Day: 8.1 Hours

Environment

Temp: -199 °C

Axial Tilt: 14.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 78,474,705 km

• M1: 172,935 km (0.1 R)
• M2: 701,614 km (0.094 R)
• M3: 1,247,945 km (0.039 R)
• M4: 1,732,044 km (0.073 R)
• M5: 2,284,210 km (0.107 R)
• M6: 2,883,649 km (0.08 R)
• M7: 4,237,360 km (0.11 R)
• M8: 5,129,113 km (0.115 R)
• M9: 6,284,158 km (0.12 R)
• M10: 7,233,057 km (0.111 R)
• M11: 7,742,288 km (0.105 R)
• M12: 8,189,586 km (0.083 R)
• M13: 9,700,375 km (0.036 R)
• M14: 10,421,287 km (0.076 R)
• M15: 11,037,331 km (0.106 R)
• M16: 12,342,722 km (0.079 R)
• M17: 13,467,249 km (0.107 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 58.9

Radius: 11.5

Gravity: 0.45 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 1.7 AU - 1.9 AU

Year: 1610 Days

Day: 7.4 Hours

Environment

Temp: -189 °C

Axial Tilt: 11.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 78,474,705 km

• M1: 143,464 km (0.103 R)
• M2: 574,157 km (0.049 R)
• M3: 1,043,744 km (0.056 R)
• M4: 1,815,819 km (0.107 R)
• M5: 2,314,728 km (0.086 R)
• M6: 3,901,064 km (0.091 R)
• M7: 5,258,066 km (0.064 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 766

Radius: 10.6

Gravity: 6.82 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 1.97 AU - 2.79 AU

Year: 2448 Days

Day: 8.7 Hours

Environment

Temp: -203 °C

Axial Tilt: 24 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 78,474,705 km

• M1: 132,095 km (0.087 R)
• M2: 696,976 km (0.105 R)
• M3: 1,072,318 km (0.117 R)
• M4: 1,595,611 km (0.092 R)
• M5: 2,039,019 km (0.12 R)
• M6: 2,491,852 km (0.094 R)
• M7: 2,930,473 km (0.119 R)
• M8: 3,279,784 km (0.089 R)
• M9: 3,675,919 km (0.106 R)
• M10: 4,063,677 km (0.069 R)
• M11: 4,808,375 km (0.107 R)
• M12: 5,345,581 km (0.098 R)
• M13: 6,106,286 km (0.094 R)
• M14: 6,457,691 km (0.1 R)
• M15: 7,811,103 km (0.111 R)
• M16: 8,995,619 km (0.109 R)
• M17: 9,523,101 km (0.083 R)
• M18: 10,601,403 km (0.058 R)
• M19: 11,800,729 km (0.084 R)
• M20: 12,262,388 km (0.108 R)
• M21: 13,997,125 km (0.106 R)
• M22: 14,705,919 km (0.114 R)
• M23: 16,093,141 km (0.051 R)
• M24: 19,183,234 km (0.075 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 398.9

Radius: 9.6

Gravity: 4.33 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 3 AU - 3.54 AU

Year: 3943 Days

Day: 10.6 Hours

Environment

Temp: -224 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 78,474,705 km

• M1: 119,529 km (0.113 R)
• M2: 422,764 km (0.099 R)
• M3: 916,885 km (0.067 R)
• M4: 1,257,221 km (0.103 R)
• M5: 1,845,140 km (0.096 R)
• M6: 3,584,365 km (0.093 R)
• M7: 3,959,556 km (0.089 R)
• M8: 4,560,341 km (0.073 R)
• M9: 7,556,039 km (0.097 R)
• M10: 8,828,369 km (0.11 R)
• M11: 11,749,417 km (0.096 R)
• M12: 13,125,867 km (0.1 R)
• M13: 17,559,499 km (0.11 R)
• M14: 18,413,404 km (0.068 R)
• M15: 20,825,520 km (0.117 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 449.8

Radius: 8.8

Gravity: 5.81 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 3.06 AU - 4.14 AU

Year: 4555 Days

Day: 13 Hours

Environment

Temp: -226 °C

Axial Tilt: 14.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 78,474,705 km

• M1: 109,506 km (0.066 R)
• M2: 507,137 km (0.062 R)
• M3: 906,563 km (0.086 R)
• M4: 1,383,780 km (0.08 R)
• M5: 1,826,590 km (0.074 R)
• M6: 2,144,635 km (0.106 R)
• M7: 2,515,039 km (0.096 R)
• M8: 2,791,197 km (0.03 R)
• M9: 3,142,154 km (0.093 R)
• M10: 3,765,079 km (0.079 R)
• M11: 4,194,724 km (0.029 R)
• M12: 5,255,672 km (0.088 R)
• M13: 5,989,899 km (0.047 R)
• M14: 7,560,976 km (0.059 R)
• M15: 8,860,682 km (0.05 R)
• M16: 9,274,470 km (0.028 R)
• M17: 9,700,973 km (0.111 R)
• M18: 10,262,564 km (0.107 R)
• M19: 11,627,943 km (0.096 R)
• M20: 13,353,106 km (0.066 R)
• M21: 13,697,630 km (0.108 R)
• M22: 19,923,893 km (0.108 R)
• M23: 24,079,423 km (0.105 R)

Planet 9 - Gas Giant

Semi-Major Axis: 3.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 162

Radius: 11

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 3.63 AU - 3.65 AU

Year: 4631 Days

Day: 5.2 Hours

Environment

Temp: -222 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 78,474,705 km

• M1: 137,181 km (0.068 R)
• M2: 621,729 km (0.091 R)
• M3: 1,149,360 km (0.096 R)
• M4: 1,586,037 km (0.096 R)
• M5: 1,929,962 km (0.105 R)
• M6: 2,298,272 km (0.033 R)
• M7: 2,670,023 km (0.104 R)
• M8: 3,716,161 km (0.113 R)
• M9: 4,394,138 km (0.081 R)
• M10: 4,927,455 km (0.09 R)
• M11: 6,124,088 km (0.106 R)
• M12: 7,683,945 km (0.108 R)
• M13: 8,112,244 km (0.064 R)
• M14: 8,883,421 km (0.103 R)
• M15: 9,355,552 km (0.068 R)
• M16: 11,453,063 km (0.113 R)
• M17: 13,360,735 km (0.119 R)
• M18: 16,911,441 km (0.064 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 716

Radius: 4.1

Gravity: 42.59 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 7.49 AU - 12.13 AU

Year: 20490 Days

Day: 18.5 Hours

Environment

Temp: -233 °C

Axial Tilt: 47.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 78,474,705 km

• M1: 54,304 km (0.118 R)
• M2: 422,913 km (0.05 R)
• M3: 1,042,996 km (0.03 R)
• M4: 1,320,949 km (0.103 R)
• M5: 1,461,422 km (0.112 R)
• M6: 2,126,384 km (0.061 R)
• M7: 2,869,287 km (0.113 R)
• M8: 3,243,431 km (0.04 R)
• M9: 4,286,727 km (0.111 R)
• M10: 6,506,311 km (0.078 R)
• M11: 7,149,881 km (0.086 R)
• M12: 7,784,475 km (0.108 R)
• M13: 8,141,266 km (0.083 R)
• M14: 9,053,364 km (0.094 R)
• M15: 9,505,299 km (0.081 R)
• M16: 13,098,790 km (0.107 R)
• M17: 15,116,117 km (0.113 R)
• M18: 20,131,236 km (0.03 R)
• M19: 23,009,948 km (0.08 R)
• M20: 25,813,861 km (0.107 R)
• M21: 28,238,393 km (0.115 R)
• M22: 28,477,002 km (0.067 R)
• M23: 29,813,060 km (0.088 R)
• M24: 30,060,346 km (0.039 R)
• M25: 37,267,074 km (0.052 R)
• M26: 46,036,800 km (0.04 R)
• M27: 47,536,219 km (0.036 R)
• M28: 51,693,245 km (0.114 R)
• M29: 52,588,738 km (0.118 R)
• M30: 53,859,721 km (0.073 R)
• M31: 54,780,047 km (0.079 R)
• M32: 56,652,115 km (0.111 R)
• M33: 62,321,276 km (0.096 R)
• M34: 69,218,636 km (0.048 R)
• M35: 70,964,144 km (0.111 R)
• M36: 72,292,423 km (0.119 R)
• M37: 74,770,213 km (0.112 R)
• M38: 75,455,820 km (0.216 R)
• M39: 76,376,295 km (0.118 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: 200 - 14,161 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit