🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 729.4

Radius: 10.1

Gravity: 7.15 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 0.67 AU - 1.05 AU

Year: 551 Days

Day: 14 Hours

Environment

Temp: -178 °C

Axial Tilt: 21.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 84,661,832 km

• M1: 125,812 km (0.09 R)
• M2: 477,965 km (0.094 R)
• M3: 880,683 km (0.064 R)
• M4: 1,215,034 km (0.079 R)
• M5: 1,561,802 km (0.066 R)
• M6: 1,932,505 km (0.071 R)
• M7: 2,294,083 km (0.089 R)
• M8: 2,776,985 km (0.11 R)
• M9: 3,179,852 km (0.117 R)
• M10: 3,504,181 km (0.063 R)
• M11: 3,864,412 km (0.089 R)
• M12: 4,707,247 km (0.093 R)
• M13: 5,334,211 km (0.113 R)
• M14: 6,034,629 km (0.111 R)
• M15: 6,416,851 km (0.043 R)
• M16: 7,062,366 km (0.102 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 46.7

Radius: 9

Gravity: 0.58 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 0.95 AU - 1.49 AU

Year: 930 Days

Day: 12.8 Hours

Environment

Temp: -193 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 84,661,832 km

• M1: 121,473 km (0.086 R)
• M2: 1,582,745 km (0.118 R)
• M3: 1,916,947 km (0.073 R)
• M4: 2,444,728 km (0.087 R)
• M5: 3,973,170 km (0.109 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 445.2

Radius: 8.2

Gravity: 6.62 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 0.94 AU - 1.54 AU

Year: 953 Days

Day: 12.8 Hours

Environment

Temp: -176 °C

Axial Tilt: 7.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 84,661,832 km

• M1: 102,026 km (0.036 R)
• M2: 465,848 km (0.044 R)
• M3: 1,048,831 km (0.099 R)
• M4: 1,450,052 km (0.053 R)
• M5: 1,997,880 km (0.055 R)
• M6: 3,166,239 km (0.102 R)
• M7: 3,613,537 km (0.108 R)
• M8: 5,194,487 km (0.106 R)
• M9: 6,096,861 km (0.067 R)
• M10: 8,258,850 km (0.091 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 626.6

Radius: 8.6

Gravity: 8.47 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 1.58 AU - 2.34 AU

Year: 1894 Days

Day: 11.5 Hours

Environment

Temp: -208 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 84,661,832 km

• M1: 107,860 km (0.104 R)
• M2: 403,615 km (0.077 R)
• M3: 732,730 km (0.084 R)
• M4: 1,370,017 km (0.101 R)
• M5: 1,932,954 km (0.089 R)
• M6: 2,312,035 km (0.092 R)
• M7: 4,291,963 km (0.098 R)
• M8: 4,669,847 km (0.119 R)
• M9: 4,983,703 km (0.069 R)
• M10: 5,333,912 km (0.05 R)
• M11: 5,794,973 km (0.068 R)
• M12: 6,084,145 km (0.11 R)
• M13: 6,382,892 km (0.067 R)
• M14: 6,796,530 km (0.053 R)
• M15: 7,173,068 km (0.086 R)
• M16: 7,478,697 km (0.069 R)
• M17: 7,880,217 km (0.104 R)
• M18: 8,326,169 km (0.087 R)
• M19: 9,139,233 km (0.073 R)
• M20: 9,935,692 km (0.069 R)
• M21: 10,705,822 km (0.1 R)
• M22: 11,032,095 km (0.063 R)
• M23: 12,325,069 km (0.109 R)
• M24: 13,505,397 km (0.055 R)
• M25: 14,714,895 km (0.091 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 881.3

Radius: 13.1

Gravity: 5.14 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 1.64 AU - 2.62 AU

Year: 2146 Days

Day: 11.3 Hours

Environment

Temp: -203 °C

Axial Tilt: 10 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 84,661,832 km

• M1: 162,912 km (0.059 R)
• M2: 747,391 km (0.041 R)
• M3: 1,211,743 km (0.034 R)
• M4: 2,237,087 km (0.108 R)
• M5: 3,398,265 km (0.074 R)
• M6: 3,947,738 km (0.094 R)
• M7: 4,577,246 km (0.117 R)
• M8: 6,354,170 km (0.118 R)
• M9: 6,904,989 km (0.096 R)
• M10: 7,945,741 km (0.069 R)
• M11: 9,088,669 km (0.088 R)
• M12: 9,933,747 km (0.095 R)
• M13: 10,830,437 km (0.109 R)
• M14: 11,378,115 km (0.104 R)
• M15: 12,234,114 km (0.101 R)
• M16: 12,785,382 km (0.083 R)
• M17: 13,353,106 km (0.106 R)
• M18: 13,937,585 km (0.096 R)
• M19: 14,822,456 km (0.102 R)
• M20: 16,704,397 km (0.108 R)
• M21: 17,542,594 km (0.108 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 750.7

Radius: 12.8

Gravity: 4.58 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 2.14 AU - 3.18 AU

Year: 2995 Days

Day: 14.7 Hours

Environment

Temp: -214 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 84,661,832 km

• M1: 159,322 km (0.042 R)
• M2: 577,149 km (0.097 R)
• M3: 977,472 km (0.098 R)
• M4: 1,522,906 km (0.118 R)
• M5: 1,979,329 km (0.101 R)
• M6: 2,381,449 km (0.081 R)
• M7: 2,838,919 km (0.09 R)
• M8: 3,300,727 km (0.061 R)
• M9: 4,183,504 km (0.113 R)
• M10: 5,217,675 km (0.052 R)
• M11: 5,676,491 km (0.108 R)
• M12: 6,107,034 km (0.117 R)
• M13: 6,675,805 km (0.08 R)
• M14: 10,106,982 km (0.053 R)
• M15: 10,701,334 km (0.115 R)
• M16: 11,786,816 km (0.054 R)
• M17: 13,981,716 km (0.053 R)
• M18: 14,421,833 km (0.054 R)
• M19: 14,972,204 km (0.034 R)
• M20: 17,037,552 km (0.106 R)
• M21: 17,766,393 km (0.111 R)
• M22: 19,166,629 km (0.113 R)
• M23: 20,451,076 km (0.05 R)
• M24: 21,210,285 km (0.105 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 508.3

Radius: 9.8

Gravity: 5.29 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 3.39 AU - 5.65 AU

Year: 6633 Days

Day: 10.3 Hours

Environment

Temp: -222 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 84,661,832 km

• M1: 122,072 km (0.058 R)
• M2: 491,429 km (0.11 R)
• M3: 1,082,640 km (0.099 R)
• M4: 2,593,129 km (0.078 R)
• M5: 2,942,141 km (0.044 R)
• M6: 4,772,322 km (0.054 R)
• M7: 5,927,816 km (0.085 R)
• M8: 9,236,173 km (0.108 R)
• M9: 10,877,560 km (0.099 R)
• M10: 15,017,831 km (0.101 R)
• M11: 15,726,925 km (0.094 R)
• M12: 17,597,646 km (0.028 R)
• M13: 18,788,894 km (0.065 R)
• M14: 20,316,737 km (0.07 R)
• M15: 21,257,558 km (0.093 R)
• M16: 22,151,555 km (0.085 R)
• M17: 24,902,211 km (0.11 R)
• M18: 26,829,032 km (0.084 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 694.1

Radius: 5.4

Gravity: 23.8 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 5.54 AU - 7.12 AU

Year: 10993 Days

Day: 21.6 Hours

Environment

Temp: -218 °C

Axial Tilt: 15.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 84,661,832 km

• M1: 67,169 km (0.079 R)
• M2: 534,663 km (0.077 R)
• M3: 1,120,638 km (0.061 R)
• M4: 1,329,177 km (0.104 R)
• M5: 1,792,930 km (0.118 R)
• M6: 2,062,356 km (0.07 R)
• M7: 2,640,253 km (0.083 R)
• M8: 3,674,872 km (0.118 R)
• M9: 5,350,517 km (0.106 R)
• M10: 7,185,485 km (0.045 R)
• M11: 10,007,948 km (0.107 R)
• M12: 10,746,662 km (0.116 R)
• M13: 12,272,860 km (0.119 R)
• M14: 12,873,046 km (0.098 R)
• M15: 14,524,756 km (0.093 R)
• M16: 14,857,911 km (0.05 R)
• M17: 15,401,400 km (0.094 R)
• M18: 22,020,507 km (0.082 R)
• M19: 22,283,500 km (0.12 R)
• M20: 26,092,412 km (0.098 R)
• M21: 26,783,255 km (0.04 R)
• M22: 31,852,977 km (0.104 R)
• M23: 32,189,572 km (0.043 R)
• M24: 41,261,187 km (0.094 R)
• M25: 43,699,782 km (0.097 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 410.6

Radius: 7

Gravity: 8.38 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 7.86 AU - 9.2 AU

Year: 17196 Days

Day: 15.9 Hours

Environment

Temp: -235 °C

Axial Tilt: 6.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 84,661,832 km

• M1: 87,066 km (0.117 R)
• M2: 319,840 km (0.084 R)
• M3: 738,116 km (0.119 R)
• M4: 1,025,045 km (0.091 R)
• M5: 2,245,165 km (0.104 R)
• M6: 3,290,555 km (0.103 R)
• M7: 3,794,101 km (0.102 R)
• M8: 4,108,406 km (0.083 R)
• M9: 4,887,811 km (0.094 R)
• M10: 5,724,961 km (0.103 R)
• M11: 6,177,794 km (0.117 R)
• M12: 6,943,436 km (0.097 R)
• M13: 9,671,502 km (0.099 R)
• M14: 10,150,515 km (0.052 R)
• M15: 13,041,344 km (0.118 R)
• M16: 13,429,251 km (0.105 R)
• M17: 18,950,161 km (0.086 R)
• M18: 28,213,560 km (0.036 R)
• M19: 39,023,801 km (0.111 R)
• M20: 39,964,622 km (0.113 R)
• M21: 48,043,207 km (0.095 R)
• M22: 49,123,752 km (0.053 R)
• M23: 49,591,694 km (0.066 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 884.3

Radius: 4.2

Gravity: 50.13 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 8.97 AU - 10.31 AU

Year: 20660 Days

Day: 21.8 Hours

Environment

Temp: -242 °C

Axial Tilt: 48.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 84,661,832 km

• M1: 52,210 km (0.106 R)
• M2: 225,594 km (0.099 R)
• M3: 1,192,893 km (0.104 R)
• M4: 1,573,919 km (0.102 R)
• M5: 1,990,400 km (0.045 R)
• M6: 3,711,074 km (0.091 R)
• M7: 3,934,424 km (0.084 R)
• M8: 4,549,870 km (0.092 R)
• M9: 5,071,218 km (0.115 R)
• M10: 5,841,049 km (0.12 R)
• M11: 7,711,022 km (0.12 R)
• M12: 8,504,489 km (0.065 R)
• M13: 8,836,597 km (0.119 R)
• M14: 13,227,743 km (0.084 R)
• M15: 13,673,395 km (0.098 R)
• M16: 15,231,756 km (0.085 R)
• M17: 21,716,375 km (0.067 R)
• M18: 25,272,466 km (0.114 R)
• M19: 26,422,126 km (0.076 R)
• M20: 28,211,316 km (0.078 R)
• M21: 29,825,926 km (0.053 R)
• M22: 31,239,476 km (0.114 R)
• M23: 32,029,054 km (0.103 R)
• M24: 35,462,175 km (0.082 R)
• M25: 37,193,771 km (0.083 R)
• M26: 41,768,025 km (0.089 R)
• M27: 43,048,283 km (0.05 R)
• M28: 44,025,457 km (0.096 R)
• M29: 47,045,389 km (0.045 R)
• M30: 47,734,885 km (0.108 R)
• M31: 50,379,925 km (0.09 R)
• M32: 57,514,996 km (0.089 R)
• M33: 73,283,808 km (0.041 R)
• M34: 76,558,805 km (0.072 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: 173 - 12,664 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit