🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 80.7

Radius: 9

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 0.44 AU - 0.58 AU

Year: 247 Days

Day: 11.8 Hours

Environment

Temp: -137 °C

Axial Tilt: 1.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 76,133,254 km

• M1: 112,049 km (0.062 R)
• M2: 414,835 km (0.112 R)
• M3: 874,250 km (0.058 R)
• M4: 1,429,108 km (0.085 R)
• M5: 1,797,119 km (0.088 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 676.9

Radius: 8.7

Gravity: 8.94 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 0.56 AU - 0.84 AU

Year: 397 Days

Day: 6.3 Hours

Environment

Temp: -154 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 76,133,254 km

• M1: 108,159 km (0.099 R)
• M2: 433,983 km (0.039 R)
• M3: 773,271 km (0.108 R)
• M4: 1,055,114 km (0.075 R)
• M5: 1,646,773 km (0.053 R)
• M6: 2,281,068 km (0.068 R)
• M7: 2,586,697 km (0.095 R)
• M8: 2,930,173 km (0.105 R)
• M9: 3,315,388 km (0.111 R)
• M10: 3,885,954 km (0.097 R)
• M11: 4,188,142 km (0.098 R)
• M12: 5,066,880 km (0.106 R)
• M13: 5,460,771 km (0.066 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 446.7

Radius: 9.8

Gravity: 4.65 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 0.71 AU - 0.85 AU

Year: 467 Days

Day: 14.2 Hours

Environment

Temp: -159 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 76,133,254 km

• M1: 121,922 km (0.117 R)
• M2: 586,274 km (0.058 R)
• M3: 906,563 km (0.102 R)
• M4: 1,853,218 km (0.098 R)
• M5: 3,381,361 km (0.112 R)
• M6: 4,976,672 km (0.036 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 781.9

Radius: 11.7

Gravity: 5.71 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 1.63 AU - 2.09 AU

Year: 1721 Days

Day: 9.3 Hours

Environment

Temp: -206 °C

Axial Tilt: 0.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 76,133,254 km

• M1: 145,559 km (0.114 R)
• M2: 572,511 km (0.109 R)
• M3: 961,466 km (0.074 R)
• M4: 1,498,223 km (0.028 R)
• M5: 1,907,672 km (0.11 R)
• M6: 2,379,504 km (0.072 R)
• M7: 2,769,805 km (0.101 R)
• M8: 3,411,729 km (0.084 R)
• M9: 4,132,043 km (0.053 R)
• M10: 4,659,824 km (0.062 R)
• M11: 5,365,776 km (0.077 R)
• M12: 7,542,874 km (0.119 R)
• M13: 8,034,602 km (0.114 R)
• M14: 8,796,654 km (0.11 R)
• M15: 10,571,034 km (0.115 R)
• M16: 11,336,227 km (0.082 R)
• M17: 12,177,117 km (0.034 R)
• M18: 12,773,863 km (0.049 R)
• M19: 14,417,345 km (0.085 R)
• M20: 14,860,604 km (0.114 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 39.3

Radius: 14

Gravity: 0.2 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 2.71 AU - 2.93 AU

Year: 3212 Days

Day: 10.6 Hours

Environment

Temp: -201 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 76,133,254 km

• M1: 174,132 km (0.067 R)
• M2: 979,716 km (0.041 R)
• M3: 1,963,771 km (0.1 R)
• M4: 3,533,950 km (0.081 R)
• M5: 4,411,043 km (0.05 R)
• M6: 5,120,586 km (0.027 R)
• M7: 6,597,864 km (0.045 R)
• M8: 7,667,639 km (0.099 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 658.6

Radius: 6.9

Gravity: 13.83 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 6.62 AU - 11.03 AU

Year: 17766 Days

Day: 17.7 Hours

Environment

Temp: -233 °C

Axial Tilt: 41.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 76,133,254 km

• M1: 89,908 km (0.034 R)
• M2: 490,083 km (0.076 R)
• M3: 718,519 km (0.041 R)
• M4: 1,235,080 km (0.042 R)
• M5: 1,607,280 km (0.113 R)
• M6: 2,091,229 km (0.108 R)
• M7: 3,456,160 km (0.087 R)
• M8: 3,829,257 km (0.068 R)
• M9: 5,220,966 km (0.106 R)
• M10: 5,482,014 km (0.114 R)
• M11: 6,152,512 km (0.057 R)
• M12: 6,788,303 km (0.063 R)
• M13: 7,467,178 km (0.095 R)
• M14: 8,906,608 km (0.076 R)
• M15: 9,831,572 km (0.09 R)
• M16: 10,172,805 km (0.075 R)
• M17: 11,182,740 km (0.117 R)
• M18: 12,653,437 km (0.111 R)
• M19: 14,982,227 km (0.094 R)
• M20: 15,434,461 km (0.083 R)
• M21: 19,296,629 km (0.11 R)
• M22: 25,848,418 km (0.12 R)
• M23: 26,389,663 km (0.113 R)
• M24: 27,494,593 km (0.069 R)
• M25: 28,286,265 km (0.102 R)
• M26: 30,752,535 km (0.113 R)
• M27: 32,725,133 km (0.056 R)
• M28: 34,780,607 km (0.105 R)
• M29: 42,501,353 km (0.043 R)
• M30: 46,042,784 km (0.116 R)
• M31: 49,112,831 km (0.084 R)
• M32: 53,706,234 km (0.106 R)
• M33: 60,644,434 km (0.117 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 794.4

Radius: 4.1

Gravity: 47.26 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 8.43 AU - 9.75 AU

Year: 18588 Days

Day: 21.5 Hours

Environment

Temp: -234 °C

Axial Tilt: 7.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (44)

Outer Limit: 76,133,254 km

• M1: 52,359 km (0.091 R)
• M2: 431,440 km (0.104 R)
• M3: 615,146 km (0.082 R)
• M4: 1,906,625 km (0.066 R)
• M5: 2,383,992 km (0.09 R)
• M6: 2,567,548 km (0.09 R)
• M7: 3,229,818 km (0.115 R)
• M8: 4,883,772 km (0.05 R)
• M9: 6,444,078 km (0.058 R)
• M10: 6,983,977 km (0.111 R)
• M11: 7,950,080 km (0.079 R)
• M12: 8,892,845 km (0.086 R)
• M13: 9,447,554 km (0.084 R)
• M14: 10,025,152 km (0.078 R)
• M15: 10,625,787 km (0.098 R)
• M16: 13,700,622 km (0.094 R)
• M17: 15,676,660 km (0.056 R)
• M18: 15,996,650 km (0.064 R)
• M19: 16,567,067 km (0.094 R)
• M20: 19,531,648 km (0.088 R)
• M21: 22,729,452 km (0.115 R)
• M22: 24,079,423 km (0.097 R)
• M23: 25,044,628 km (0.115 R)
• M24: 25,372,098 km (0.085 R)
• M25: 26,147,165 km (0.116 R)
• M26: 26,371,561 km (0.119 R)
• M27: 27,281,715 km (0.063 R)
• M28: 30,384,076 km (0.089 R)
• M29: 32,534,844 km (0.109 R)
• M30: 34,380,583 km (0.105 R)
• M31: 37,562,529 km (0.058 R)
• M32: 38,279,253 km (0.107 R)
• M33: 40,784,419 km (0.107 R)
• M34: 42,462,458 km (0.087 R)
• M35: 49,806,666 km (0.044 R)
• M36: 53,867,650 km (0.109 R)
• M37: 60,071,474 km (0.086 R)
• M38: 60,657,897 km (0.06 R)
• M39: 61,248,360 km (0.042 R)
• M40: 63,647,910 km (0.074 R)
• M41: 66,109,393 km (0.107 R)
• M42: 66,525,874 km (0.101 R)
• M43: 75,677,673 km (0.113 R)
• M44: 75,905,212 km (0.033 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: 424 - 15,239 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit