🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.74 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 274.4

Radius: 9.8

Gravity: 2.86 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 1.31 AU - 1.65 AU

Year: 1221 Days

Day: 9 Hours

Environment

Temp: -193 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 54,674,744 km

• M1: 121,922 km (0.11 R)
• M2: 552,764 km (0.069 R)
• M3: 1,377,048 km (0.092 R)
• M4: 1,726,808 km (0.036 R)
• M5: 2,338,364 km (0.088 R)
• M6: 2,666,582 km (0.095 R)
• M7: 3,230,267 km (0.072 R)
• M8: 3,827,162 km (0.04 R)
• M9: 4,160,167 km (0.079 R)
• M10: 4,496,014 km (0.118 R)
• M11: 4,902,173 km (0.117 R)
• M12: 5,259,263 km (0.047 R)
• M13: 6,025,802 km (0.099 R)
• M14: 6,436,149 km (0.087 R)
• M15: 7,109,040 km (0.107 R)
• M16: 8,242,543 km (0.094 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 415

Radius: 10.4

Gravity: 3.84 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 1.58 AU - 1.86 AU

Year: 1530 Days

Day: 7.4 Hours

Environment

Temp: -194 °C

Axial Tilt: 44.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 54,674,744 km

• M1: 129,402 km (0.094 R)
• M2: 474,375 km (0.05 R)
• M3: 1,238,820 km (0.084 R)
• M4: 1,580,801 km (0.092 R)
• M5: 2,007,005 km (0.075 R)
• M6: 2,449,815 km (0.116 R)
• M7: 3,025,467 km (0.081 R)
• M8: 3,564,468 km (0.118 R)
• M9: 4,235,565 km (0.115 R)
• M10: 5,106,224 km (0.09 R)
• M11: 5,981,521 km (0.111 R)
• M12: 6,362,996 km (0.104 R)
• M13: 6,905,139 km (0.119 R)
• M14: 8,190,184 km (0.107 R)
• M15: 8,803,535 km (0.092 R)
• M16: 9,209,544 km (0.119 R)
• M17: 9,597,900 km (0.112 R)
• M18: 11,027,009 km (0.094 R)
• M19: 11,465,181 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 791.2

Radius: 13.9

Gravity: 4.1 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 1.54 AU - 2.28 AU

Year: 1790 Days

Day: 13.4 Hours

Environment

Temp: -207 °C

Axial Tilt: 57.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 54,674,744 km

• M1: 175,179 km (0.047 R)
• M2: 783,145 km (0.068 R)
• M3: 1,222,663 km (0.11 R)
• M4: 2,148,225 km (0.101 R)
• M5: 2,620,057 km (0.089 R)
• M6: 3,084,110 km (0.1 R)
• M7: 4,257,555 km (0.026 R)
• M8: 5,319,251 km (0.098 R)
• M9: 5,757,424 km (0.1 R)
• M10: 6,498,980 km (0.064 R)
• M11: 6,973,954 km (0.12 R)
• M12: 7,964,291 km (0.118 R)
• M13: 8,509,127 km (0.077 R)
• M14: 9,946,463 km (0.031 R)
• M15: 10,579,113 km (0.098 R)
• M16: 11,925,045 km (0.097 R)
• M17: 12,438,315 km (0.116 R)
• M18: 13,551,323 km (0.106 R)
• M19: 14,819,913 km (0.113 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 322.7

Radius: 8.7

Gravity: 4.26 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 3.44 AU - 4.22 AU

Year: 5084 Days

Day: 9.3 Hours

Environment

Temp: -220 °C

Axial Tilt: 27.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 54,674,744 km

• M1: 108,159 km (0.036 R)
• M2: 384,766 km (0.091 R)
• M3: 679,025 km (0.101 R)
• M4: 1,029,533 km (0.088 R)
• M5: 2,220,332 km (0.092 R)
• M6: 2,690,966 km (0.119 R)
• M7: 3,376,274 km (0.094 R)
• M8: 3,669,037 km (0.089 R)
• M9: 3,978,705 km (0.103 R)
• M10: 4,770,377 km (0.107 R)
• M11: 6,662,940 km (0.095 R)
• M12: 8,394,834 km (0.083 R)
• M13: 9,157,634 km (0.056 R)
• M14: 9,460,121 km (0.102 R)
• M15: 9,769,190 km (0.12 R)
• M16: 12,676,325 km (0.113 R)
• M17: 13,052,414 km (0.105 R)
• M18: 13,876,250 km (0.094 R)
• M19: 14,275,826 km (0.03 R)
• M20: 14,580,407 km (0.053 R)
• M21: 16,279,390 km (0.092 R)
• M22: 16,780,094 km (0.068 R)
• M23: 17,119,532 km (0.119 R)
• M24: 19,069,241 km (0.093 R)
• M25: 21,293,911 km (0.101 R)
• M26: 21,691,990 km (0.101 R)
• M27: 22,027,538 km (0.087 R)
• M28: 22,434,744 km (0.089 R)
• M29: 23,194,252 km (0.073 R)
• M30: 23,474,599 km (0.092 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 276.8

Radius: 8.6

Gravity: 3.74 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 3.58 AU - 5.36 AU

Year: 6410 Days

Day: 9.5 Hours

Environment

Temp: -224 °C

Axial Tilt: 169.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 54,674,744 km

• M1: 106,962 km (0.12 R)
• M2: 430,393 km (0.092 R)
• M3: 851,361 km (0.101 R)
• M4: 1,479,523 km (0.034 R)
• M5: 1,837,062 km (0.038 R)
• M6: 2,326,845 km (0.112 R)
• M7: 2,611,231 km (0.102 R)
• M8: 3,026,814 km (0.084 R)
• M9: 3,347,402 km (0.114 R)
• M10: 4,331,008 km (0.055 R)
• M11: 4,665,509 km (0.109 R)
• M12: 6,481,926 km (0.118 R)
• M13: 6,888,683 km (0.082 R)
• M14: 9,497,670 km (0.118 R)
• M15: 11,131,727 km (0.074 R)
• M16: 11,715,907 km (0.053 R)
• M17: 12,606,164 km (0.077 R)
• M18: 13,845,283 km (0.101 R)
• M19: 16,621,670 km (0.093 R)
• M20: 18,048,235 km (0.074 R)
• M21: 18,666,224 km (0.045 R)
• M22: 19,107,089 km (0.101 R)
• M23: 20,537,992 km (0.099 R)
• M24: 26,187,556 km (0.052 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 472.2

Radius: 9.2

Gravity: 5.58 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 3.52 AU - 5.62 AU

Year: 6626 Days

Day: 10.7 Hours

Environment

Temp: -230 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 54,674,744 km

• M1: 114,442 km (0.09 R)
• M2: 574,605 km (0.041 R)
• M3: 1,079,049 km (0.095 R)
• M4: 1,686,716 km (0.094 R)
• M5: 3,887,151 km (0.113 R)
• M6: 5,776,273 km (0.105 R)
• M7: 7,180,548 km (0.096 R)
• M8: 7,981,196 km (0.12 R)
• M9: 15,157,555 km (0.116 R)
• M10: 17,156,781 km (0.111 R)
• M11: 20,087,703 km (0.09 R)
• M12: 20,654,230 km (0.112 R)
• M13: 21,013,714 km (0.079 R)
• M14: 27,957,748 km (0.066 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 712.2

Radius: 7.8

Gravity: 11.71 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 5.84 AU - 7.7 AU

Year: 11947 Days

Day: 19.2 Hours

Environment

Temp: -220 °C

Axial Tilt: 130.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 54,674,744 km

• M1: 97,089 km (0.032 R)
• M2: 436,975 km (0.034 R)
• M3: 1,770,640 km (0.101 R)
• M4: 2,040,515 km (0.048 R)
• M5: 2,839,218 km (0.054 R)
• M6: 3,187,332 km (0.118 R)
• M7: 4,683,012 km (0.111 R)
• M8: 7,422,298 km (0.066 R)
• M9: 7,726,880 km (0.108 R)
• M10: 8,176,421 km (0.099 R)
• M11: 9,528,487 km (0.102 R)
• M12: 12,607,361 km (0.075 R)
• M13: 12,854,197 km (0.118 R)
• M14: 14,947,520 km (0.113 R)
• M15: 15,504,323 km (0.11 R)
• M16: 18,026,244 km (0.104 R)
• M17: 19,713,559 km (0.108 R)
• M18: 20,298,785 km (0.106 R)
• M19: 22,123,730 km (0.075 R)
• M20: 29,533,612 km (0.085 R)
• M21: 31,529,995 km (0.097 R)
• M22: 32,330,045 km (0.039 R)
• M23: 33,026,572 km (0.108 R)
• M24: 48,383,841 km (0.112 R)
• M25: 53,375,323 km (0.116 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 282 - 13,657 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit