🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 295.1

Radius: 14.2

Gravity: 1.46 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 0.65 AU - 0.71 AU

Year: 357 Days

Day: 6.7 Hours

Environment

Temp: -144 °C

Axial Tilt: 14.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 44,512,858 km

• M1: 177,273 km (0.095 R)
• M2: 636,389 km (0.085 R)
• M3: 1,243,458 km (0.05 R)
• M4: 1,700,329 km (0.082 R)
• M5: 2,380,401 km (0.112 R)
• M6: 3,438,357 km (0.034 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 156.3

Radius: 15

Gravity: 0.69 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 0.61 AU - 0.91 AU

Year: 421 Days

Day: 5.8 Hours

Environment

Temp: -140 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 44,512,858 km

• M1: 187,297 km (0.079 R)
• M2: 828,623 km (0.094 R)
• M3: 1,309,580 km (0.11 R)
• M4: 1,958,835 km (0.119 R)
• M5: 2,611,231 km (0.107 R)
• M6: 3,196,159 km (0.069 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 588.9

Radius: 9.3

Gravity: 6.81 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 1.01 AU - 1.25 AU

Year: 764 Days

Day: 12.8 Hours

Environment

Temp: -172 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 44,512,858 km

• M1: 119,080 km (0.098 R)
• M2: 442,062 km (0.086 R)
• M3: 790,625 km (0.058 R)
• M4: 1,637,498 km (0.12 R)
• M5: 2,367,985 km (0.115 R)
• M6: 2,842,808 km (0.071 R)
• M7: 3,487,276 km (0.109 R)
• M8: 4,257,107 km (0.071 R)
• M9: 4,909,952 km (0.096 R)
• M10: 5,953,696 km (0.111 R)
• M11: 6,601,006 km (0.081 R)
• M12: 6,963,631 km (0.068 R)
• M13: 7,635,924 km (0.102 R)
• M14: 8,059,735 km (0.065 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 359.9

Radius: 14.2

Gravity: 1.78 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 3.27 AU - 3.37 AU

Year: 3846 Days

Day: 12.3 Hours

Environment

Temp: -210 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 44,512,858 km

• M1: 176,675 km (0.113 R)
• M2: 631,453 km (0.057 R)
• M3: 1,162,675 km (0.088 R)
• M4: 2,591,783 km (0.075 R)
• M5: 3,700,004 km (0.088 R)
• M6: 4,405,508 km (0.104 R)
• M7: 4,847,869 km (0.077 R)
• M8: 5,823,396 km (0.07 R)
• M9: 7,343,311 km (0.032 R)
• M10: 8,461,106 km (0.113 R)
• M11: 9,507,244 km (0.045 R)
• M12: 11,154,765 km (0.119 R)
• M13: 12,674,829 km (0.113 R)
• M14: 13,669,356 km (0.104 R)
• M15: 17,399,579 km (0.11 R)
• M16: 18,287,442 km (0.071 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 60.4

Radius: 15

Gravity: 0.27 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 2.78 AU - 3.96 AU

Year: 3933 Days

Day: 9 Hours

Environment

Temp: -206 °C

Axial Tilt: 23.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 44,512,858 km

• M1: 306,526 km (0.106 R)
• M2: 785,389 km (0.115 R)
• M3: 1,276,070 km (0.049 R)
• M4: 1,863,989 km (0.106 R)
• M5: 2,384,889 km (0.092 R)
• M6: 3,760,591 km (0.102 R)
• M7: 4,533,563 km (0.054 R)
• M8: 5,112,956 km (0.099 R)
• M9: 6,042,108 km (0.087 R)
• M10: 6,628,831 km (0.108 R)
• M11: 7,179,351 km (0.071 R)
• M12: 8,846,021 km (0.117 R)
• M13: 10,533,186 km (0.049 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 350.7

Radius: 9.3

Gravity: 4.05 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 3.11 AU - 4.25 AU

Year: 4489 Days

Day: 12.1 Hours

Environment

Temp: -203 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 44,512,858 km

• M1: 115,639 km (0.107 R)
• M2: 469,289 km (0.093 R)
• M3: 828,024 km (0.078 R)
• M4: 1,185,414 km (0.077 R)
• M5: 1,702,573 km (0.093 R)
• M6: 2,180,838 km (0.077 R)
• M7: 3,578,830 km (0.084 R)
• M8: 4,235,565 km (0.118 R)
• M9: 5,141,978 km (0.078 R)
• M10: 5,471,393 km (0.114 R)
• M11: 6,060,958 km (0.047 R)
• M12: 7,054,886 km (0.068 R)
• M13: 7,398,662 km (0.062 R)
• M14: 8,995,470 km (0.045 R)
• M15: 9,400,281 km (0.099 R)
• M16: 9,778,614 km (0.053 R)
• M17: 10,127,925 km (0.068 R)
• M18: 10,687,721 km (0.096 R)
• M19: 11,565,860 km (0.072 R)
• M20: 12,536,750 km (0.107 R)
• M21: 13,561,047 km (0.047 R)
• M22: 16,041,380 km (0.066 R)
• M23: 16,912,787 km (0.091 R)
• M24: 18,395,751 km (0.071 R)
• M25: 19,289,748 km (0.091 R)
• M26: 20,653,033 km (0.095 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 795.3

Radius: 13.9

Gravity: 4.12 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 3.62 AU - 3.94 AU

Year: 4673 Days

Day: 9.1 Hours

Environment

Temp: -213 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 44,512,858 km

• M1: 229,034 km (0.043 R)
• M2: 740,509 km (0.117 R)
• M3: 1,368,821 km (0.097 R)
• M4: 2,088,835 km (0.07 R)
• M5: 2,655,661 km (0.095 R)
• M6: 3,244,927 km (0.104 R)
• M7: 3,743,388 km (0.043 R)
• M8: 4,268,925 km (0.113 R)
• M9: 5,385,374 km (0.053 R)
• M10: 7,120,859 km (0.116 R)
• M11: 7,607,949 km (0.05 R)
• M12: 8,533,212 km (0.097 R)
• M13: 9,615,403 km (0.087 R)
• M14: 10,787,203 km (0.117 R)
• M15: 11,620,015 km (0.079 R)
• M16: 13,413,843 km (0.103 R)
• M17: 14,104,985 km (0.076 R)
• M18: 14,763,963 km (0.111 R)
• M19: 15,214,552 km (0.081 R)
• M20: 21,222,702 km (0.096 R)
• M21: 24,591,796 km (0.081 R)
• M22: 27,110,425 km (0.114 R)
• M23: 27,617,113 km (0.12 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 740.9

Radius: 8.4

Gravity: 10.5 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 3.99 AU - 6.39 AU

Year: 7518 Days

Day: 8.4 Hours

Environment

Temp: -225 °C

Axial Tilt: 115.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 44,512,858 km

• M1: 105,167 km (0.1 R)
• M2: 903,122 km (0.1 R)
• M3: 1,255,725 km (0.076 R)
• M4: 2,624,096 km (0.072 R)
• M5: 6,043,156 km (0.084 R)
• M6: 7,116,221 km (0.1 R)
• M7: 10,891,323 km (0.03 R)
• M8: 14,935,851 km (0.093 R)
• M9: 15,439,248 km (0.1 R)
• M10: 18,127,821 km (0.088 R)
• M11: 22,313,121 km (0.05 R)
• M12: 25,554,308 km (0.05 R)
• M13: 26,915,649 km (0.12 R)
• M14: 27,944,433 km (0.07 R)
• M15: 37,136,475 km (0.094 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 713.8

Radius: 11.8

Gravity: 5.13 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 5.14 AU - 6.36 AU

Year: 8767 Days

Day: 11.2 Hours

Environment

Temp: -216 °C

Axial Tilt: 27 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 44,512,858 km

• M1: 151,393 km (0.116 R)
• M2: 557,551 km (0.057 R)
• M3: 1,152,352 km (0.079 R)
• M4: 2,860,311 km (0.101 R)
• M5: 3,387,045 km (0.1 R)
• M6: 5,208,250 km (0.093 R)
• M7: 8,234,016 km (0.083 R)
• M8: 8,983,502 km (0.037 R)
• M9: 11,831,696 km (0.048 R)
• M10: 21,855,202 km (0.1 R)
• M11: 31,847,143 km (0.081 R)
• M12: 37,587,662 km (0.088 R)
• M13: 39,644,932 km (0.066 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 364 - 14,560 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit