🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 295.8

Radius: 11.8

Gravity: 2.12 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 0.42 AU - 0.68 AU

Year: 282 Days

Day: 11 Hours

Environment

Temp: -153 °C

Axial Tilt: 43.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 44,983,348 km

• M1: 146,905 km (0.095 R)
• M2: 740,509 km (0.09 R)
• M3: 1,333,515 km (0.053 R)
• M4: 1,800,710 km (0.03 R)
• M5: 2,200,435 km (0.082 R)
• M6: 2,725,823 km (0.096 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 599.2

Radius: 8.1

Gravity: 9.13 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 0.52 AU - 0.84 AU

Year: 387 Days

Day: 13.2 Hours

Environment

Temp: -155 °C

Axial Tilt: 2.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 44,983,348 km

• M1: 101,278 km (0.117 R)
• M2: 367,712 km (0.096 R)
• M3: 791,223 km (0.084 R)
• M4: 1,768,845 km (0.071 R)
• M5: 2,069,387 km (0.059 R)
• M6: 2,486,167 km (0.083 R)
• M7: 2,927,032 km (0.062 R)
• M8: 3,535,446 km (0.076 R)
• M9: 3,801,431 km (0.12 R)
• M10: 4,093,746 km (0.117 R)
• M11: 4,624,070 km (0.109 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 71.8

Radius: 11.6

Gravity: 0.53 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 0.75 AU - 0.81 AU

Year: 476 Days

Day: 10 Hours

Environment

Temp: -163 °C

Axial Tilt: 47.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 44,983,348 km

• M1: 144,212 km (0.082 R)
• M2: 586,124 km (0.051 R)
• M3: 1,079,349 km (0.118 R)
• M4: 1,594,564 km (0.075 R)
• M5: 2,370,528 km (0.08 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 810.1

Radius: 12.3

Gravity: 5.35 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 0.98 AU - 1.42 AU

Year: 907 Days

Day: 8.4 Hours

Environment

Temp: -178 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 44,983,348 km

• M1: 153,039 km (0.117 R)
• M2: 574,157 km (0.106 R)
• M3: 1,758,224 km (0.045 R)
• M4: 2,150,918 km (0.11 R)
• M5: 2,686,030 km (0.118 R)
• M6: 3,239,991 km (0.11 R)
• M7: 3,746,379 km (0.042 R)
• M8: 5,086,328 km (0.11 R)
• M9: 6,499,130 km (0.114 R)
• M10: 6,953,758 km (0.058 R)
• M11: 7,552,149 km (0.064 R)
• M12: 8,367,906 km (0.091 R)
• M13: 8,934,583 km (0.108 R)
• M14: 10,144,980 km (0.032 R)

Asteroid Belt

Center: 1.65 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 2.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 813.9

Radius: 13.6

Gravity: 4.4 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 1.69 AU - 2.49 AU

Year: 2086 Days

Day: 12.8 Hours

Environment

Temp: -195 °C

Axial Tilt: 24.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 44,983,348 km

• M1: 189,092 km (0.118 R)
• M2: 870,360 km (0.051 R)
• M3: 1,335,311 km (0.102 R)
• M4: 1,780,663 km (0.032 R)
• M5: 2,433,209 km (0.098 R)
• M6: 3,192,568 km (0.063 R)
• M7: 3,857,082 km (0.111 R)
• M8: 4,424,955 km (0.072 R)
• M9: 4,914,739 km (0.097 R)
• M10: 6,339,808 km (0.045 R)
• M11: 6,825,253 km (0.035 R)
• M12: 7,248,914 km (0.106 R)
• M13: 7,841,023 km (0.115 R)
• M14: 9,258,014 km (0.102 R)
• M15: 10,172,206 km (0.103 R)
• M16: 10,915,558 km (0.111 R)
• M17: 12,057,588 km (0.065 R)
• M18: 12,636,831 km (0.08 R)
• M19: 13,147,858 km (0.091 R)
• M20: 13,985,456 km (0.03 R)
• M21: 14,440,383 km (0.09 R)
• M22: 15,188,971 km (0.119 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 955.8

Radius: 9.6

Gravity: 10.37 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 2.35 AU - 3.01 AU

Year: 3028 Days

Day: 8.6 Hours

Environment

Temp: -213 °C

Axial Tilt: 16.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 44,983,348 km

• M1: 119,379 km (0.066 R)
• M2: 494,870 km (0.047 R)
• M3: 1,080,845 km (0.091 R)
• M4: 1,459,178 km (0.097 R)
• M5: 2,383,393 km (0.07 R)
• M6: 2,981,934 km (0.094 R)
• M7: 3,557,737 km (0.111 R)
• M8: 3,946,242 km (0.03 R)
• M9: 4,408,500 km (0.106 R)
• M10: 4,833,208 km (0.069 R)
• M11: 5,389,263 km (0.114 R)
• M12: 6,509,153 km (0.035 R)
• M13: 9,546,588 km (0.118 R)
• M14: 9,898,592 km (0.037 R)
• M15: 10,964,477 km (0.091 R)
• M16: 11,746,126 km (0.077 R)
• M17: 12,105,310 km (0.063 R)
• M18: 15,567,753 km (0.046 R)
• M19: 16,443,050 km (0.095 R)
• M20: 19,080,610 km (0.119 R)
• M21: 20,146,495 km (0.027 R)
• M22: 20,922,459 km (0.074 R)
• M23: 21,920,277 km (0.03 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 795.9

Radius: 9.6

Gravity: 8.64 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 2.49 AU - 3.89 AU

Year: 3933 Days

Day: 14.1 Hours

Environment

Temp: -215 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 44,983,348 km

• M1: 119,529 km (0.072 R)
• M2: 581,936 km (0.097 R)
• M3: 969,095 km (0.108 R)
• M4: 1,817,165 km (0.09 R)
• M5: 2,444,728 km (0.082 R)
• M6: 3,405,446 km (0.083 R)
• M7: 3,755,056 km (0.088 R)
• M8: 4,899,480 km (0.098 R)
• M9: 5,455,685 km (0.077 R)
• M10: 6,262,017 km (0.094 R)
• M11: 8,328,113 km (0.109 R)
• M12: 10,297,121 km (0.101 R)
• M13: 10,725,270 km (0.101 R)
• M14: 11,254,697 km (0.053 R)
• M15: 11,571,545 km (0.107 R)
• M16: 12,898,927 km (0.097 R)
• M17: 13,855,755 km (0.041 R)
• M18: 14,378,001 km (0.106 R)
• M19: 15,461,838 km (0.071 R)
• M20: 18,160,284 km (0.086 R)
• M21: 19,040,069 km (0.111 R)
• M22: 19,620,658 km (0.111 R)
• M23: 21,433,037 km (0.07 R)
• M24: 22,131,808 km (0.109 R)
• M25: 23,574,829 km (0.107 R)
• M26: 24,773,557 km (0.082 R)
• M27: 26,727,305 km (0.106 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 939.3

Radius: 8.7

Gravity: 12.41 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 4.72 AU - 5.68 AU

Year: 8185 Days

Day: 6.5 Hours

Environment

Temp: -234 °C

Axial Tilt: 22.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 44,983,348 km

• M1: 108,309 km (0.076 R)
• M2: 727,046 km (0.087 R)
• M3: 1,003,054 km (0.113 R)
• M4: 1,479,822 km (0.105 R)
• M5: 2,050,538 km (0.068 R)
• M6: 3,219,346 km (0.118 R)
• M7: 4,545,232 km (0.12 R)
• M8: 5,121,932 km (0.061 R)
• M9: 8,448,390 km (0.065 R)
• M10: 9,367,519 km (0.048 R)
• M11: 9,655,795 km (0.115 R)
• M12: 10,764,165 km (0.044 R)
• M13: 13,965,111 km (0.111 R)
• M14: 15,647,040 km (0.068 R)
• M15: 16,190,529 km (0.052 R)
• M16: 17,532,122 km (0.119 R)
• M17: 18,044,495 km (0.082 R)
• M18: 19,408,080 km (0.081 R)
• M19: 20,434,770 km (0.098 R)
• M20: 24,449,528 km (0.109 R)
• M21: 25,646,461 km (0.102 R)
• M22: 26,022,400 km (0.103 R)
• M23: 28,156,713 km (0.082 R)
• M24: 30,826,287 km (0.101 R)
• M25: 32,660,207 km (0.067 R)
• M26: 33,213,270 km (0.092 R)
• M27: 34,565,785 km (0.075 R)
• M28: 35,487,756 km (0.086 R)
• M29: 41,109,196 km (0.108 R)

Planet 9 - Ice Giant

Semi-Major Axis: 5.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 400

Radius: 7.1

Gravity: 7.93 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 5.46 AU - 5.7 AU

Year: 9098 Days

Day: 19.6 Hours

Environment

Temp: -217 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 44,983,348 km

• M1: 88,263 km (0.067 R)
• M2: 397,631 km (0.099 R)
• M3: 717,920 km (0.109 R)
• M4: 1,195,586 km (0.086 R)
• M5: 2,401,195 km (0.111 R)
• M6: 3,072,142 km (0.115 R)
• M7: 4,979,365 km (0.096 R)
• M8: 6,643,941 km (0.076 R)
• M9: 7,038,580 km (0.077 R)
• M10: 7,525,072 km (0.05 R)
• M11: 8,194,822 km (0.094 R)
• M12: 9,339,096 km (0.114 R)
• M13: 9,743,160 km (0.113 R)
• M14: 11,836,932 km (0.111 R)
• M15: 13,294,912 km (0.107 R)
• M16: 17,022,443 km (0.115 R)
• M17: 18,451,850 km (0.12 R)
• M18: 18,874,464 km (0.109 R)
• M19: 19,231,704 km (0.045 R)
• M20: 20,781,089 km (0.11 R)
• M21: 21,085,371 km (0.075 R)
• M22: 22,491,741 km (0.054 R)
• M23: 22,974,044 km (0.094 R)
• M24: 25,230,429 km (0.049 R)
• M25: 29,599,285 km (0.105 R)
• M26: 30,178,528 km (0.112 R)
• M27: 31,961,585 km (0.082 R)
• M28: 35,303,153 km (0.064 R)

Planet 10 - Ice Giant

Semi-Major Axis: 6.89 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 363.3

Radius: 6.9

Gravity: 7.63 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 5.33 AU - 8.45 AU

Year: 12484 Days

Day: 20.9 Hours

Environment

Temp: -235 °C

Axial Tilt: 6.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 44,983,348 km

• M1: 86,468 km (0.062 R)
• M2: 625,020 km (0.067 R)
• M3: 1,009,337 km (0.094 R)
• M4: 1,285,943 km (0.099 R)
• M5: 2,873,925 km (0.107 R)
• M6: 3,705,539 km (0.091 R)
• M7: 6,545,505 km (0.026 R)
• M8: 8,444,351 km (0.03 R)
• M9: 13,229,837 km (0.111 R)
• M10: 15,223,229 km (0.06 R)
• M11: 16,497,055 km (0.095 R)
• M12: 26,507,097 km (0.111 R)
• M13: 27,078,711 km (0.062 R)
• M14: 29,245,037 km (0.08 R)
• M15: 34,706,108 km (0.075 R)
• M16: 40,181,838 km (0.097 R)
• M17: 44,848,843 km (0.058 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 210 - 14,139 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit