🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 809.7

Radius: 8.1

Gravity: 12.34 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 0.52 AU - 0.68 AU

Year: 321 Days

Day: 7.7 Hours

Environment

Temp: -147 °C

Axial Tilt: 17 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 80,538,946 km

• M1: 101,128 km (0.052 R)
• M2: 373,845 km (0.108 R)
• M3: 658,979 km (0.106 R)
• M4: 1,261,858 km (0.115 R)
• M5: 1,602,642 km (0.113 R)
• M6: 1,865,934 km (0.065 R)
• M7: 2,199,986 km (0.086 R)
• M8: 2,527,157 km (0.049 R)
• M9: 2,927,630 km (0.066 R)
• M10: 3,213,961 km (0.104 R)
• M11: 3,708,980 km (0.029 R)
• M12: 4,032,261 km (0.119 R)
• M13: 4,483,448 km (0.099 R)
• M14: 4,807,477 km (0.107 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 295.6

Radius: 14.2

Gravity: 1.47 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 0.85 AU - 1.19 AU

Year: 711 Days

Day: 14.6 Hours

Environment

Temp: -184 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 80,538,946 km

• M1: 176,675 km (0.031 R)
• M2: 691,142 km (0.088 R)
• M3: 1,843,046 km (0.085 R)
• M4: 2,468,963 km (0.084 R)
• M5: 3,087,401 km (0.075 R)
• M6: 4,223,148 km (0.038 R)
• M7: 4,698,570 km (0.043 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 296.5

Radius: 13.1

Gravity: 1.73 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 0.83 AU - 1.23 AU

Year: 722 Days

Day: 10.4 Hours

Environment

Temp: -169 °C

Axial Tilt: 4.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 80,538,946 km

• M1: 162,912 km (0.071 R)
• M2: 594,203 km (0.045 R)
• M3: 1,192,445 km (0.09 R)
• M4: 1,614,759 km (0.059 R)
• M5: 2,208,962 km (0.111 R)
• M6: 2,724,776 km (0.046 R)
• M7: 3,713,917 km (0.072 R)
• M8: 4,391,595 km (0.115 R)
• M9: 4,806,280 km (0.102 R)
• M10: 5,230,989 km (0.07 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 882.3

Radius: 14.9

Gravity: 3.97 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 1.8 AU - 1.88 AU

Year: 1723 Days

Day: 11.7 Hours

Environment

Temp: -191 °C

Axial Tilt: 20.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 80,538,946 km

• M1: 185,352 km (0.091 R)
• M2: 656,286 km (0.088 R)
• M3: 1,351,018 km (0.089 R)
• M4: 2,109,629 km (0.053 R)
• M5: 3,125,848 km (0.086 R)
• M6: 3,615,930 km (0.107 R)
• M7: 4,176,623 km (0.117 R)
• M8: 4,879,434 km (0.087 R)
• M9: 5,660,335 km (0.041 R)
• M10: 9,213,583 km (0.057 R)
• M11: 9,816,014 km (0.076 R)
• M12: 10,768,952 km (0.093 R)
• M13: 11,667,138 km (0.103 R)
• M14: 12,253,562 km (0.095 R)
• M15: 13,827,630 km (0.085 R)
• M16: 14,395,953 km (0.083 R)
• M17: 15,393,322 km (0.103 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 285.1

Radius: 12.8

Gravity: 1.74 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 2.29 AU - 2.91 AU

Year: 2894 Days

Day: 9.8 Hours

Environment

Temp: -204 °C

Axial Tilt: 26.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 80,538,946 km

• M1: 164,558 km (0.105 R)
• M2: 652,845 km (0.068 R)
• M3: 1,064,389 km (0.081 R)
• M4: 1,571,376 km (0.079 R)
• M5: 2,215,096 km (0.038 R)
• M6: 2,910,127 km (0.117 R)
• M7: 5,032,323 km (0.116 R)
• M8: 5,967,908 km (0.073 R)
• M9: 7,234,553 km (0.108 R)
• M10: 7,684,843 km (0.085 R)
• M11: 8,213,821 km (0.076 R)
• M12: 8,673,086 km (0.029 R)
• M13: 9,377,842 km (0.103 R)
• M14: 10,120,296 km (0.093 R)
• M15: 10,541,713 km (0.114 R)
• M16: 11,457,252 km (0.09 R)
• M17: 13,828,079 km (0.074 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.74 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 405.8

Radius: 5.3

Gravity: 14.45 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 7.54 AU - 9.94 AU

Year: 17835 Days

Day: 15.6 Hours

Environment

Temp: -228 °C

Axial Tilt: 16.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 80,538,946 km

• M1: 65,973 km (0.069 R)
• M2: 399,426 km (0.063 R)
• M3: 605,871 km (0.12 R)
• M4: 785,389 km (0.116 R)
• M5: 1,350,270 km (0.111 R)
• M6: 1,523,206 km (0.053 R)
• M7: 2,802,118 km (0.065 R)
• M8: 3,134,973 km (0.07 R)
• M9: 3,311,050 km (0.087 R)
• M10: 4,605,819 km (0.104 R)
• M11: 7,773,105 km (0.083 R)
• M12: 8,870,406 km (0.065 R)
• M13: 11,133,822 km (0.044 R)
• M14: 12,649,398 km (0.074 R)
• M15: 14,228,702 km (0.077 R)
• M16: 15,208,419 km (0.074 R)
• M17: 17,932,596 km (0.092 R)
• M18: 19,493,650 km (0.109 R)
• M19: 19,833,536 km (0.112 R)
• M20: 22,047,734 km (0.108 R)
• M21: 27,170,264 km (0.04 R)
• M22: 30,005,892 km (0.114 R)
• M23: 31,378,602 km (0.093 R)
• M24: 31,611,526 km (0.071 R)
• M25: 33,032,556 km (0.104 R)
• M26: 38,875,101 km (0.101 R)
• M27: 39,278,417 km (0.034 R)
• M28: 42,038,946 km (0.113 R)
• M29: 47,176,137 km (0.118 R)
• M30: 47,942,527 km (0.096 R)
• M31: 49,500,290 km (0.105 R)
• M32: 57,797,137 km (0.107 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 638.9

Radius: 5.8

Gravity: 18.99 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 9.39 AU - 11.05 AU

Year: 22552 Days

Day: 22 Hours

Environment

Temp: -228 °C

Axial Tilt: 2.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 80,538,946 km

• M1: 73,453 km (0.088 R)
• M2: 257,159 km (0.091 R)
• M3: 481,556 km (0.096 R)
• M4: 1,076,955 km (0.103 R)
• M5: 1,535,921 km (0.111 R)
• M6: 1,801,009 km (0.088 R)
• M7: 2,758,585 km (0.078 R)
• M8: 2,990,162 km (0.03 R)
• M9: 3,522,132 km (0.11 R)
• M10: 5,299,654 km (0.074 R)
• M11: 6,076,366 km (0.079 R)
• M12: 7,258,937 km (0.106 R)
• M13: 9,366,173 km (0.081 R)
• M14: 17,540,051 km (0.073 R)
• M15: 19,811,844 km (0.106 R)
• M16: 20,870,848 km (0.101 R)
• M17: 21,764,845 km (0.091 R)
• M18: 27,084,994 km (0.102 R)
• M19: 27,318,965 km (0.1 R)
• M20: 29,981,208 km (0.086 R)
• M21: 32,022,771 km (0.118 R)
• M22: 32,415,615 km (0.034 R)
• M23: 35,674,754 km (0.087 R)
• M24: 38,552,269 km (0.116 R)
• M25: 40,047,500 km (0.08 R)
• M26: 41,425,894 km (0.074 R)
• M27: 42,519,455 km (0.059 R)
• M28: 52,151,463 km (0.108 R)
• M29: 57,181,991 km (0.094 R)
• M30: 57,760,187 km (0.111 R)
• M31: 64,796,223 km (0.065 R)
• M32: 65,214,649 km (0.113 R)
• M33: 69,498,982 km (0.105 R)
• M34: 73,739,334 km (0.088 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 311 - 16,749 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit