🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.94 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 646.4

Radius: 12.1

Gravity: 4.41 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 1.51 AU - 2.23 AU

Year: 1651 Days

Day: 12.8 Hours

Environment

Temp: -196 °C

Axial Tilt: 28.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 68,576,738 km

• M1: 150,495 km (0.116 R)
• M2: 575,653 km (0.034 R)
• M3: 1,073,664 km (0.116 R)
• M4: 1,576,313 km (0.098 R)
• M5: 2,164,681 km (0.118 R)
• M6: 2,569,643 km (0.08 R)
• M7: 3,235,204 km (0.033 R)
• M8: 3,820,430 km (0.098 R)
• M9: 4,285,979 km (0.091 R)
• M10: 4,749,433 km (0.08 R)
• M11: 5,419,482 km (0.117 R)
• M12: 7,728,974 km (0.086 R)
• M13: 8,300,737 km (0.038 R)
• M14: 10,322,103 km (0.068 R)
• M15: 13,165,959 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 498.4

Radius: 9.5

Gravity: 5.52 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 2.07 AU - 3.41 AU

Year: 2928 Days

Day: 12 Hours

Environment

Temp: -209 °C

Axial Tilt: 23.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 68,576,738 km

• M1: 119,828 km (0.12 R)
• M2: 1,828,385 km (0.074 R)
• M3: 2,142,989 km (0.11 R)
• M4: 2,580,414 km (0.059 R)
• M5: 3,159,806 km (0.118 R)
• M6: 4,322,780 km (0.103 R)
• M7: 6,351,926 km (0.077 R)
• M8: 7,743,335 km (0.089 R)
• M9: 14,544,503 km (0.092 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 305.8

Radius: 14.8

Gravity: 1.4 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 3.91 AU - 3.95 AU

Year: 5030 Days

Day: 8.4 Hours

Environment

Temp: -204 °C

Axial Tilt: 0.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 68,576,738 km

• M1: 184,454 km (0.072 R)
• M2: 733,179 km (0.071 R)
• M3: 1,203,814 km (0.059 R)
• M4: 1,803,402 km (0.049 R)
• M5: 2,495,292 km (0.07 R)
• M6: 3,197,654 km (0.069 R)
• M7: 4,092,549 km (0.115 R)
• M8: 4,715,774 km (0.077 R)
• M9: 5,877,401 km (0.079 R)
• M10: 7,702,794 km (0.106 R)
• M11: 8,481,152 km (0.088 R)
• M12: 9,499,016 km (0.081 R)
• M13: 10,637,755 km (0.082 R)
• M14: 12,628,155 km (0.083 R)
• M15: 14,602,248 km (0.087 R)
• M16: 15,321,216 km (0.084 R)
• M17: 20,017,541 km (0.115 R)
• M18: 22,488,599 km (0.053 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 342.2

Radius: 11.3

Gravity: 2.68 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 4.42 AU - 4.62 AU

Year: 6205 Days

Day: 9.5 Hours

Environment

Temp: -204 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 68,576,738 km

• M1: 140,472 km (0.064 R)
• M2: 1,203,515 km (0.117 R)
• M3: 1,687,015 km (0.049 R)
• M4: 2,359,906 km (0.091 R)
• M5: 2,819,920 km (0.101 R)
• M6: 3,300,428 km (0.119 R)
• M7: 3,664,699 km (0.064 R)
• M8: 4,101,076 km (0.074 R)
• M9: 4,948,997 km (0.062 R)
• M10: 5,428,608 km (0.064 R)
• M11: 6,512,444 km (0.109 R)
• M12: 7,222,286 km (0.092 R)
• M13: 9,868,523 km (0.115 R)
• M14: 10,717,790 km (0.088 R)
• M15: 11,477,149 km (0.103 R)
• M16: 13,254,072 km (0.059 R)
• M17: 14,878,406 km (0.088 R)
• M18: 16,398,021 km (0.116 R)
• M19: 17,772,077 km (0.113 R)
• M20: 19,743,478 km (0.07 R)
• M21: 20,679,961 km (0.106 R)
• M22: 21,159,272 km (0.113 R)
• M23: 21,575,902 km (0.092 R)
• M24: 23,519,029 km (0.038 R)
• M25: 24,267,467 km (0.07 R)
• M26: 25,109,105 km (0.119 R)
• M27: 25,812,065 km (0.038 R)
• M28: 27,420,991 km (0.074 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 606.5

Radius: 7.3

Gravity: 11.38 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 4.98 AU - 7.28 AU

Year: 9800 Days

Day: 21.9 Hours

Environment

Temp: -213 °C

Axial Tilt: 13 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 68,576,738 km

• M1: 96,042 km (0.104 R)
• M2: 437,275 km (0.071 R)
• M3: 709,543 km (0.073 R)
• M4: 1,162,076 km (0.114 R)
• M5: 1,951,803 km (0.117 R)
• M6: 2,636,962 km (0.089 R)
• M7: 2,883,798 km (0.043 R)
• M8: 3,168,782 km (0.072 R)
• M9: 3,769,866 km (0.073 R)
• M10: 4,004,137 km (0.115 R)
• M11: 4,416,279 km (0.073 R)
• M12: 5,488,147 km (0.101 R)
• M13: 6,799,672 km (0.096 R)
• M14: 7,108,592 km (0.11 R)
• M15: 7,796,443 km (0.084 R)
• M16: 8,978,864 km (0.051 R)
• M17: 9,928,811 km (0.101 R)
• M18: 11,422,695 km (0.113 R)
• M19: 12,195,069 km (0.05 R)
• M20: 13,179,124 km (0.072 R)
• M21: 15,238,937 km (0.077 R)
• M22: 16,586,664 km (0.098 R)
• M23: 19,828,151 km (0.093 R)
• M24: 23,120,650 km (0.097 R)
• M25: 31,185,621 km (0.105 R)
• M26: 32,580,920 km (0.055 R)
• M27: 35,036,121 km (0.071 R)
• M28: 35,726,664 km (0.095 R)
• M29: 36,191,914 km (0.116 R)
• M30: 43,137,743 km (0.066 R)
• M31: 44,063,903 km (0.115 R)
• M32: 44,733,503 km (0.104 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 102.1

Radius: 6.8

Gravity: 2.21 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 5.98 AU - 7.28 AU

Year: 11023 Days

Day: 15.9 Hours

Environment

Temp: -226 °C

Axial Tilt: 25.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 68,576,738 km

• M1: 84,523 km (0.115 R)
• M2: 304,132 km (0.039 R)
• M3: 640,728 km (0.11 R)
• M4: 1,073,814 km (0.076 R)
• M5: 1,880,445 km (0.11 R)
• M6: 2,515,339 km (0.119 R)
• M7: 3,055,686 km (0.117 R)
• M8: 3,842,122 km (0.113 R)
• M9: 5,304,890 km (0.094 R)
• M10: 5,894,754 km (0.062 R)
• M11: 6,496,437 km (0.084 R)
• M12: 6,780,224 km (0.07 R)
• M13: 8,622,522 km (0.077 R)
• M14: 8,926,954 km (0.12 R)
• M15: 10,429,365 km (0.086 R)
• M16: 11,353,282 km (0.09 R)
• M17: 11,672,972 km (0.078 R)
• M18: 11,951,972 km (0.101 R)
• M19: 12,619,927 km (0.057 R)
• M20: 13,012,621 km (0.039 R)
• M21: 14,187,264 km (0.086 R)
• M22: 15,044,908 km (0.11 R)
• M23: 17,040,993 km (0.119 R)
• M24: 18,759,872 km (0.103 R)
• M25: 19,400,899 km (0.057 R)
• M26: 22,040,703 km (0.063 R)
• M27: 25,920,374 km (0.08 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 861.9

Radius: 4.6

Gravity: 40.73 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 6.16 AU - 7.3 AU

Year: 11273 Days

Day: 16.8 Hours

Environment

Temp: -231 °C

Axial Tilt: 25.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 68,576,738 km

• M1: 61,036 km (0.028 R)
• M2: 210,783 km (0.118 R)
• M3: 447,298 km (0.049 R)
• M4: 738,415 km (0.118 R)
• M5: 932,144 km (0.082 R)
• M6: 1,926,671 km (0.085 R)
• M7: 2,847,745 km (0.108 R)
• M8: 3,302,672 km (0.072 R)
• M9: 3,776,897 km (0.095 R)
• M10: 4,146,703 km (0.098 R)
• M11: 5,262,404 km (0.093 R)
• M12: 6,725,771 km (0.093 R)
• M13: 7,056,382 km (0.078 R)
• M14: 7,616,626 km (0.06 R)
• M15: 7,930,333 km (0.087 R)
• M16: 8,727,989 km (0.068 R)
• M17: 9,424,067 km (0.068 R)
• M18: 14,191,901 km (0.115 R)
• M19: 15,082,308 km (0.115 R)
• M20: 17,125,216 km (0.104 R)
• M21: 18,212,643 km (0.092 R)
• M22: 18,451,551 km (0.087 R)
• M23: 19,180,841 km (0.06 R)
• M24: 23,774,094 km (0.09 R)
• M25: 24,155,119 km (0.11 R)
• M26: 24,443,394 km (0.104 R)
• M27: 27,455,099 km (0.094 R)
• M28: 33,008,321 km (0.107 R)
• M29: 34,565,635 km (0.082 R)
• M30: 38,215,225 km (0.096 R)
• M31: 44,086,642 km (0.078 R)
• M32: 48,216,291 km (0.098 R)
• M33: 48,673,612 km (0.115 R)
• M34: 50,688,247 km (0.04 R)
• M35: 51,003,000 km (0.117 R)
• M36: 51,955,340 km (0.11 R)
• M37: 53,405,692 km (0.11 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 738.3

Radius: 4.4

Gravity: 38.14 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 7.42 AU - 9.92 AU

Year: 16483 Days

Day: 21.6 Hours

Environment

Temp: -224 °C

Axial Tilt: 14.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 68,576,738 km

• M1: 54,902 km (0.101 R)
• M2: 707,598 km (0.099 R)
• M3: 1,217,876 km (0.117 R)
• M4: 1,373,757 km (0.116 R)
• M5: 1,640,939 km (0.115 R)
• M6: 3,043,269 km (0.091 R)
• M7: 3,225,180 km (0.104 R)
• M8: 3,469,623 km (0.117 R)
• M9: 6,133,812 km (0.076 R)
• M10: 9,197,875 km (0.084 R)
• M11: 9,745,104 km (0.117 R)
• M12: 10,372,069 km (0.058 R)
• M13: 12,217,658 km (0.112 R)
• M14: 13,424,165 km (0.069 R)
• M15: 16,149,539 km (0.052 R)
• M16: 20,479,649 km (0.096 R)
• M17: 22,079,000 km (0.077 R)
• M18: 23,157,152 km (0.065 R)
• M19: 25,630,454 km (0.113 R)
• M20: 29,194,324 km (0.116 R)
• M21: 31,827,396 km (0.046 R)
• M22: 35,401,738 km (0.094 R)
• M23: 38,952,144 km (0.108 R)
• M24: 45,021,330 km (0.077 R)
• M25: 51,690,851 km (0.083 R)
• M26: 60,868,232 km (0.069 R)
• M27: 61,630,732 km (0.083 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 319 - 10,459 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit