🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.47 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 422.9

Radius: 12.3

Gravity: 2.8 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 0.84 AU - 1.04 AU

Year: 629 Days

Day: 14.8 Hours

Environment

Temp: -166 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 45,689,606 km

• M1: 153,039 km (0.074 R)
• M2: 565,480 km (0.041 R)
• M3: 1,487,302 km (0.103 R)
• M4: 1,956,740 km (0.095 R)
• M5: 3,502,535 km (0.063 R)
• M6: 3,942,353 km (0.064 R)
• M7: 5,060,896 km (0.081 R)
• M8: 5,887,574 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 300.6

Radius: 9.7

Gravity: 3.19 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 0.97 AU - 1.21 AU

Year: 786 Days

Day: 12.1 Hours

Environment

Temp: -187 °C

Axial Tilt: 20.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 45,689,606 km

• M1: 120,576 km (0.114 R)
• M2: 429,196 km (0.095 R)
• M3: 746,793 km (0.099 R)
• M4: 1,218,026 km (0.055 R)
• M5: 1,784,553 km (0.098 R)
• M6: 2,725,524 km (0.092 R)
• M7: 3,939,959 km (0.098 R)
• M8: 4,485,393 km (0.07 R)
• M9: 5,397,342 km (0.118 R)
• M10: 5,762,959 km (0.116 R)
• M11: 6,089,531 km (0.028 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 906.2

Radius: 12

Gravity: 6.29 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 1.21 AU - 1.33 AU

Year: 988 Days

Day: 12.9 Hours

Environment

Temp: -195 °C

Axial Tilt: 3.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 45,689,606 km

• M1: 151,543 km (0.052 R)
• M2: 597,045 km (0.119 R)
• M3: 1,208,302 km (0.053 R)
• M4: 1,945,371 km (0.106 R)
• M5: 2,404,935 km (0.071 R)
• M6: 2,819,321 km (0.066 R)
• M7: 3,441,798 km (0.107 R)
• M8: 4,187,992 km (0.101 R)
• M9: 4,830,216 km (0.098 R)
• M10: 5,274,223 km (0.104 R)
• M11: 5,958,932 km (0.093 R)
• M12: 6,725,621 km (0.056 R)
• M13: 8,264,983 km (0.049 R)
• M14: 9,542,699 km (0.1 R)
• M15: 11,178,402 km (0.058 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 584.2

Radius: 14.5

Gravity: 2.78 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 2.01 AU - 2.17 AU

Year: 2086 Days

Day: 14.4 Hours

Environment

Temp: -204 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 45,689,606 km

• M1: 180,714 km (0.071 R)
• M2: 712,983 km (0.1 R)
• M3: 1,630,318 km (0.08 R)
• M4: 2,853,280 km (0.109 R)
• M5: 3,410,083 km (0.083 R)
• M6: 3,965,540 km (0.044 R)
• M7: 4,828,570 km (0.068 R)
• M8: 5,463,464 km (0.109 R)
• M9: 6,055,273 km (0.107 R)
• M10: 6,768,705 km (0.062 R)
• M11: 7,480,941 km (0.099 R)
• M12: 8,425,651 km (0.115 R)
• M13: 8,895,089 km (0.099 R)
• M14: 9,852,815 km (0.072 R)
• M15: 10,878,308 km (0.112 R)
• M16: 15,938,756 km (0.112 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 748.2

Radius: 14.1

Gravity: 3.76 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 2.06 AU - 2.38 AU

Year: 2283 Days

Day: 10.3 Hours

Environment

Temp: -198 °C

Axial Tilt: 19.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 45,689,606 km

• M1: 209,287 km (0.059 R)
• M2: 1,318,256 km (0.103 R)
• M3: 1,784,852 km (0.107 R)
• M4: 2,377,260 km (0.084 R)
• M5: 3,067,504 km (0.093 R)
• M6: 3,593,640 km (0.111 R)
• M7: 4,941,068 km (0.055 R)
• M8: 5,644,178 km (0.038 R)
• M9: 7,516,994 km (0.083 R)
• M10: 8,224,891 km (0.115 R)
• M11: 11,471,763 km (0.044 R)
• M12: 11,955,712 km (0.074 R)
• M13: 13,182,265 km (0.084 R)
• M14: 14,351,821 km (0.085 R)
• M15: 15,442,988 km (0.092 R)
• M16: 16,896,930 km (0.063 R)
• M17: 17,366,218 km (0.108 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 504.5

Radius: 12.4

Gravity: 3.28 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 2.41 AU - 3.23 AU

Year: 3269 Days

Day: 7.2 Hours

Environment

Temp: -221 °C

Axial Tilt: 24.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 45,689,606 km

• M1: 154,235 km (0.045 R)
• M2: 542,292 km (0.09 R)
• M3: 1,186,910 km (0.07 R)
• M4: 1,708,108 km (0.093 R)
• M5: 2,717,894 km (0.117 R)
• M6: 3,715,263 km (0.037 R)
• M7: 4,557,649 km (0.115 R)
• M8: 5,675,594 km (0.086 R)
• M9: 7,267,315 km (0.089 R)
• M10: 8,248,976 km (0.116 R)
• M11: 8,754,767 km (0.113 R)
• M12: 9,754,380 km (0.069 R)
• M13: 11,149,679 km (0.111 R)
• M14: 13,030,872 km (0.118 R)
• M15: 17,577,899 km (0.111 R)
• M16: 18,588,283 km (0.118 R)
• M17: 19,283,016 km (0.073 R)
• M18: 19,755,895 km (0.032 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 484.7

Radius: 13.1

Gravity: 2.82 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 3.04 AU - 4.56 AU

Year: 5113 Days

Day: 5.6 Hours

Environment

Temp: -221 °C

Axial Tilt: 17.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 45,689,606 km

• M1: 163,062 km (0.102 R)
• M2: 1,060,948 km (0.066 R)
• M3: 1,836,164 km (0.079 R)
• M4: 2,720,288 km (0.112 R)
• M5: 3,764,182 km (0.108 R)
• M6: 4,320,237 km (0.115 R)
• M7: 5,997,827 km (0.11 R)
• M8: 6,887,037 km (0.09 R)
• M9: 7,653,128 km (0.092 R)
• M10: 8,927,403 km (0.049 R)
• M11: 10,594,671 km (0.05 R)
• M12: 11,940,154 km (0.092 R)
• M13: 12,654,185 km (0.05 R)
• M14: 17,371,006 km (0.071 R)
• M15: 17,856,301 km (0.091 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 672.6

Radius: 8.2

Gravity: 10 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 3.07 AU - 4.77 AU

Year: 5357 Days

Day: 9.1 Hours

Environment

Temp: -212 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 45,689,606 km

• M1: 104,868 km (0.087 R)
• M2: 392,096 km (0.044 R)
• M3: 767,736 km (0.069 R)
• M4: 1,300,753 km (0.081 R)
• M5: 1,727,556 km (0.056 R)
• M6: 2,770,253 km (0.102 R)
• M7: 3,809,809 km (0.096 R)
• M8: 4,088,360 km (0.089 R)
• M9: 5,661,980 km (0.085 R)
• M10: 6,181,982 km (0.043 R)
• M11: 6,633,768 km (0.089 R)
• M12: 6,901,698 km (0.069 R)
• M13: 7,495,302 km (0.065 R)
• M14: 13,054,060 km (0.051 R)
• M15: 14,291,085 km (0.086 R)
• M16: 14,682,582 km (0.078 R)
• M17: 15,254,345 km (0.032 R)
• M18: 15,900,309 km (0.115 R)
• M19: 16,320,679 km (0.116 R)
• M20: 18,338,006 km (0.101 R)
• M21: 19,817,679 km (0.073 R)
• M22: 23,551,193 km (0.097 R)
• M23: 24,255,350 km (0.058 R)
• M24: 25,460,211 km (0.108 R)
• M25: 26,873,313 km (0.098 R)
• M26: 27,213,199 km (0.098 R)
• M27: 27,642,246 km (0.085 R)
• M28: 31,425,576 km (0.078 R)

Planet 9 - Gas Giant

Semi-Major Axis: 3.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 894.5

Radius: 10.4

Gravity: 8.27 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 3.37 AU - 4.55 AU

Year: 5439 Days

Day: 9.6 Hours

Environment

Temp: -210 °C

Axial Tilt: 15.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 45,689,606 km

• M1: 129,402 km (0.104 R)
• M2: 499,657 km (0.082 R)
• M3: 884,722 km (0.119 R)
• M4: 1,226,852 km (0.049 R)
• M5: 1,685,370 km (0.071 R)
• M6: 2,724,776 km (0.103 R)
• M7: 4,425,105 km (0.083 R)
• M8: 5,698,033 km (0.055 R)
• M9: 6,107,632 km (0.051 R)
• M10: 7,309,202 km (0.06 R)
• M11: 9,506,047 km (0.048 R)
• M12: 12,059,533 km (0.093 R)
• M13: 13,111,655 km (0.054 R)
• M14: 13,996,526 km (0.114 R)
• M15: 15,158,004 km (0.097 R)
• M16: 15,579,272 km (0.06 R)
• M17: 17,343,480 km (0.047 R)
• M18: 18,273,679 km (0.058 R)
• M19: 19,236,940 km (0.107 R)
• M20: 21,565,281 km (0.101 R)
• M21: 23,832,287 km (0.096 R)
• M22: 24,238,595 km (0.087 R)
• M23: 24,649,540 km (0.084 R)
• M24: 31,385,484 km (0.041 R)
• M25: 32,765,674 km (0.109 R)

Planet 10 - Ice Giant

Semi-Major Axis: 6.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 433.1

Radius: 6.5

Gravity: 10.25 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 5.02 AU - 8.18 AU

Year: 11704 Days

Day: 15.4 Hours

Environment

Temp: -237 °C

Axial Tilt: 21.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 45,689,606 km

• M1: 80,783 km (0.065 R)
• M2: 329,415 km (0.073 R)
• M3: 566,527 km (0.064 R)
• M4: 988,543 km (0.098 R)
• M5: 1,466,059 km (0.046 R)
• M6: 1,889,272 km (0.106 R)
• M7: 2,486,017 km (0.116 R)
• M8: 3,088,298 km (0.098 R)
• M9: 3,508,369 km (0.11 R)
• M10: 4,320,686 km (0.106 R)
• M11: 4,696,176 km (0.037 R)
• M12: 5,381,185 km (0.105 R)
• M13: 6,948,073 km (0.085 R)
• M14: 7,793,899 km (0.112 R)
• M15: 8,263,338 km (0.068 R)
• M16: 9,639,788 km (0.065 R)
• M17: 9,981,619 km (0.107 R)
• M18: 10,845,846 km (0.114 R)
• M19: 11,109,287 km (0.111 R)
• M20: 11,925,194 km (0.104 R)
• M21: 13,493,429 km (0.111 R)
• M22: 15,063,758 km (0.1 R)
• M23: 16,682,107 km (0.109 R)
• M24: 21,724,603 km (0.025 R)
• M25: 25,877,589 km (0.097 R)
• M26: 27,403,936 km (0.069 R)
• M27: 28,288,509 km (0.053 R)
• M28: 33,108,402 km (0.069 R)
• M29: 38,692,741 km (0.113 R)
• M30: 43,933,903 km (0.071 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 210 - 15,260 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit