🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.72 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 83.4

Radius: 14.5

Gravity: 0.4 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 1.23 AU - 1.63 AU

Year: 1104 Days

Day: 7.6 Hours

Environment

Temp: -173 °C

Axial Tilt: 1.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 82,729,410 km

• M1: 180,415 km (0.083 R)
• M2: 787,334 km (0.111 R)
• M3: 1,902,287 km (0.117 R)
• M4: 2,483,025 km (0.104 R)
• M5: 3,074,386 km (0.086 R)
• M6: 4,887,512 km (0.103 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 875.1

Radius: 14.8

Gravity: 4 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 1.19 AU - 1.79 AU

Year: 1174 Days

Day: 7.9 Hours

Environment

Temp: -187 °C

Axial Tilt: 23 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 82,729,410 km

• M1: 184,005 km (0.105 R)
• M2: 771,775 km (0.097 R)
• M3: 1,629,719 km (0.083 R)
• M4: 2,151,517 km (0.095 R)
• M5: 2,973,258 km (0.062 R)
• M6: 3,684,895 km (0.087 R)
• M7: 4,151,042 km (0.11 R)
• M8: 5,023,646 km (0.106 R)
• M9: 6,196,793 km (0.093 R)
• M10: 6,763,170 km (0.077 R)
• M11: 10,036,521 km (0.088 R)
• M12: 10,786,455 km (0.098 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 573.8

Radius: 10.4

Gravity: 5.31 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 1.34 AU - 1.7 AU

Year: 1210 Days

Day: 8.1 Hours

Environment

Temp: -184 °C

Axial Tilt: 14.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 82,729,410 km

• M1: 129,402 km (0.039 R)
• M2: 477,367 km (0.104 R)
• M3: 927,208 km (0.053 R)
• M4: 1,656,497 km (0.051 R)
• M5: 2,372,921 km (0.103 R)
• M6: 2,848,044 km (0.105 R)
• M7: 3,284,421 km (0.114 R)
• M8: 3,686,989 km (0.028 R)
• M9: 4,189,937 km (0.077 R)
• M10: 5,556,514 km (0.066 R)
• M11: 5,956,538 km (0.103 R)
• M12: 6,535,183 km (0.085 R)
• M13: 6,862,054 km (0.112 R)
• M14: 8,093,245 km (0.091 R)
• M15: 9,202,962 km (0.055 R)
• M16: 10,569,538 km (0.091 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 57.7

Radius: 14.4

Gravity: 0.28 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 1.39 AU - 2.17 AU

Year: 1533 Days

Day: 6 Hours

Environment

Temp: -175 °C

Axial Tilt: 45.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 82,729,410 km

• M1: 179,069 km (0.105 R)
• M2: 700,716 km (0.037 R)
• M3: 1,491,790 km (0.112 R)
• M4: 1,967,362 km (0.115 R)
• M5: 2,432,461 km (0.117 R)
• M6: 3,375,826 km (0.103 R)
• M7: 4,756,614 km (0.1 R)
• M8: 5,692,797 km (0.119 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 803.5

Radius: 12

Gravity: 5.58 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 2.05 AU - 2.19 AU

Year: 1993 Days

Day: 7 Hours

Environment

Temp: -192 °C

Axial Tilt: 15 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 82,729,410 km

• M1: 149,299 km (0.102 R)
• M2: 553,512 km (0.092 R)
• M3: 1,310,627 km (0.074 R)
• M4: 1,981,723 km (0.078 R)
• M5: 2,512,047 km (0.1 R)
• M6: 4,364,069 km (0.09 R)
• M7: 6,425,677 km (0.109 R)
• M8: 7,508,168 km (0.113 R)
• M9: 8,170,288 km (0.059 R)
• M10: 9,997,027 km (0.084 R)
• M11: 10,949,517 km (0.068 R)
• M12: 12,490,225 km (0.07 R)
• M13: 12,865,417 km (0.118 R)
• M14: 13,291,172 km (0.114 R)
• M15: 16,440,507 km (0.112 R)
• M16: 17,094,848 km (0.095 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 147.4

Radius: 8.3

Gravity: 2.14 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 2.14 AU - 2.14 AU

Year: 2021 Days

Day: 9 Hours

Environment

Temp: -199 °C

Axial Tilt: 5.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 82,729,410 km

• M1: 103,223 km (0.077 R)
• M2: 375,491 km (0.103 R)
• M3: 854,802 km (0.095 R)
• M4: 1,401,882 km (0.116 R)
• M5: 1,679,236 km (0.098 R)
• M6: 1,983,817 km (0.109 R)
• M7: 2,504,717 km (0.119 R)
• M8: 2,854,178 km (0.082 R)
• M9: 3,222,338 km (0.088 R)
• M10: 3,974,516 km (0.051 R)
• M11: 4,383,666 km (0.113 R)
• M12: 4,985,199 km (0.116 R)
• M13: 6,073,075 km (0.117 R)
• M14: 6,751,950 km (0.103 R)
• M15: 7,051,296 km (0.12 R)
• M16: 7,359,617 km (0.032 R)
• M17: 8,131,093 km (0.078 R)
• M18: 8,391,094 km (0.119 R)
• M19: 9,373,803 km (0.073 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 251

Radius: 12.6

Gravity: 1.58 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 3.3 AU - 4.76 AU

Year: 5224 Days

Day: 14.4 Hours

Environment

Temp: -210 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 82,729,410 km

• M1: 156,928 km (0.059 R)
• M2: 586,723 km (0.039 R)
• M3: 1,447,060 km (0.112 R)
• M4: 1,876,556 km (0.049 R)
• M5: 2,599,712 km (0.047 R)
• M6: 3,334,985 km (0.07 R)
• M7: 5,245,201 km (0.104 R)
• M8: 6,800,719 km (0.095 R)
• M9: 7,864,360 km (0.107 R)
• M10: 10,519,273 km (0.115 R)
• M11: 11,467,126 km (0.058 R)
• M12: 13,675,190 km (0.073 R)
• M13: 16,693,926 km (0.064 R)
• M14: 17,134,940 km (0.113 R)
• M15: 18,858,308 km (0.072 R)
• M16: 20,694,621 km (0.093 R)
• M17: 21,203,853 km (0.078 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 342.4

Radius: 6.1

Gravity: 9.2 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 6.18 AU - 6.32 AU

Year: 10089 Days

Day: 16 Hours

Environment

Temp: -216 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 82,729,410 km

• M1: 85,420 km (0.072 R)
• M2: 471,532 km (0.055 R)
• M3: 665,411 km (0.039 R)
• M4: 1,202,617 km (0.118 R)
• M5: 1,617,003 km (0.06 R)
• M6: 1,994,588 km (0.118 R)
• M7: 2,393,865 km (0.104 R)
• M8: 2,727,169 km (0.12 R)
• M9: 2,986,871 km (0.057 R)
• M10: 3,197,654 km (0.096 R)
• M11: 4,117,233 km (0.087 R)
• M12: 5,171,598 km (0.049 R)
• M13: 5,761,313 km (0.045 R)
• M14: 6,360,602 km (0.025 R)
• M15: 6,854,574 km (0.075 R)
• M16: 7,373,978 km (0.08 R)
• M17: 8,283,533 km (0.073 R)
• M18: 9,354,804 km (0.084 R)
• M19: 9,808,085 km (0.083 R)
• M20: 10,906,134 km (0.095 R)
• M21: 11,205,629 km (0.092 R)
• M22: 12,566,969 km (0.109 R)
• M23: 17,852,411 km (0.117 R)
• M24: 20,146,644 km (0.096 R)
• M25: 20,901,964 km (0.066 R)
• M26: 21,991,037 km (0.105 R)
• M27: 26,100,939 km (0.061 R)
• M28: 28,949,282 km (0.116 R)
• M29: 30,497,471 km (0.089 R)
• M30: 30,793,824 km (0.098 R)
• M31: 32,304,164 km (0.094 R)
• M32: 34,930,355 km (0.111 R)
• M33: 35,909,473 km (0.066 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 260.8

Radius: 7.2

Gravity: 5.03 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 6.99 AU - 10.35 AU

Year: 16483 Days

Day: 19.1 Hours

Environment

Temp: -229 °C

Axial Tilt: 11.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 82,729,410 km

• M1: 97,089 km (0.087 R)
• M2: 604,824 km (0.101 R)
• M3: 990,039 km (0.096 R)
• M4: 1,245,402 km (0.114 R)
• M5: 1,892,413 km (0.082 R)
• M6: 2,182,035 km (0.085 R)
• M7: 2,600,609 km (0.088 R)
• M8: 3,004,224 km (0.084 R)
• M9: 3,256,596 km (0.109 R)
• M10: 3,700,154 km (0.111 R)
• M11: 4,707,845 km (0.118 R)
• M12: 5,081,241 km (0.061 R)
• M13: 6,814,931 km (0.104 R)
• M14: 7,051,445 km (0.052 R)
• M15: 7,965,638 km (0.117 R)
• M16: 10,698,791 km (0.089 R)
• M17: 10,964,926 km (0.103 R)
• M18: 12,304,275 km (0.116 R)
• M19: 13,316,754 km (0.072 R)
• M20: 14,000,715 km (0.051 R)
• M21: 15,574,186 km (0.063 R)
• M22: 16,544,627 km (0.05 R)
• M23: 18,605,338 km (0.077 R)
• M24: 20,340,074 km (0.119 R)
• M25: 24,402,255 km (0.042 R)
• M26: 24,771,163 km (0.12 R)
• M27: 25,519,901 km (0.071 R)
• M28: 26,964,418 km (0.076 R)
• M29: 29,387,903 km (0.044 R)
• M30: 30,226,998 km (0.029 R)
• M31: 32,616,525 km (0.027 R)
• M32: 33,176,769 km (0.111 R)
• M33: 33,743,296 km (0.089 R)
• M34: 34,663,173 km (0.115 R)
• M35: 37,157,269 km (0.05 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.32 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 768.6

Radius: 6.5

Gravity: 18.19 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 9.59 AU - 11.05 AU

Year: 21406 Days

Day: 19.7 Hours

Environment

Temp: -228 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 82,729,410 km

• M1: 80,932 km (0.096 R)
• M2: 284,236 km (0.113 R)
• M3: 1,181,075 km (0.115 R)
• M4: 1,387,819 km (0.085 R)
• M5: 1,636,302 km (0.077 R)
• M6: 2,357,214 km (0.108 R)
• M7: 3,416,067 km (0.078 R)
• M8: 4,001,444 km (0.052 R)
• M9: 5,735,433 km (0.116 R)
• M10: 16,290,161 km (0.06 R)
• M11: 26,068,177 km (0.098 R)
• M12: 30,418,034 km (0.105 R)
• M13: 36,505,022 km (0.114 R)
• M14: 37,665,752 km (0.109 R)
• M15: 38,851,016 km (0.042 R)
• M16: 39,604,391 km (0.11 R)
• M17: 42,080,385 km (0.058 R)
• M18: 42,874,750 km (0.104 R)
• M19: 48,717,893 km (0.055 R)
• M20: 50,837,396 km (0.097 R)
• M21: 60,131,014 km (0.117 R)
• M22: 62,773,959 km (0.095 R)
• M23: 64,858,905 km (0.093 R)
• M24: 66,131,833 km (0.063 R)
• M25: 68,290,231 km (0.037 R)
• M26: 69,166,576 km (0.097 R)
• M27: 70,272,403 km (0.118 R)
• M28: 72,746,901 km (0.108 R)
• M29: 73,431,760 km (0.095 R)
• M30: 82,481,684 km (0.048 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 219 - 15,411 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit