🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 789.5

Radius: 13.9

Gravity: 4.09 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 0.51 AU - 0.63 AU

Year: 302 Days

Day: 13.2 Hours

Environment

Temp: -138 °C

Axial Tilt: 15.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 34,367,766 km

• M1: 174,132 km (0.086 R)
• M2: 652,247 km (0.096 R)
• M3: 1,424,022 km (0.049 R)
• M4: 1,951,504 km (0.067 R)
• M5: 2,493,198 km (0.04 R)
• M6: 3,293,248 km (0.11 R)
• M7: 4,007,428 km (0.093 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 267.6

Radius: 9.8

Gravity: 2.79 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 0.62 AU - 0.89 AU

Year: 457 Days

Day: 10.9 Hours

Environment

Temp: -157 °C

Axial Tilt: 42.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 34,367,766 km

• M1: 121,922 km (0.103 R)
• M2: 497,862 km (0.088 R)
• M3: 838,496 km (0.103 R)
• M4: 1,268,740 km (0.033 R)
• M5: 1,693,448 km (0.101 R)
• M6: 2,133,116 km (0.109 R)
• M7: 2,684,235 km (0.094 R)
• M8: 3,079,023 km (0.117 R)
• M9: 4,145,207 km (0.102 R)
• M10: 4,476,118 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 539.2

Radius: 12.8

Gravity: 3.29 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 1.03 AU - 1.49 AU

Year: 994 Days

Day: 14.7 Hours

Environment

Temp: -179 °C

Axial Tilt: 28.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 34,367,766 km

• M1: 159,322 km (0.053 R)
• M2: 559,646 km (0.073 R)
• M3: 1,141,133 km (0.119 R)
• M4: 1,712,896 km (0.068 R)
• M5: 2,819,770 km (0.102 R)
• M6: 3,294,295 km (0.064 R)
• M7: 3,852,145 km (0.075 R)
• M8: 5,460,472 km (0.096 R)
• M9: 5,996,182 km (0.082 R)
• M10: 6,720,535 km (0.086 R)
• M11: 7,646,695 km (0.082 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 900.1

Radius: 14.1

Gravity: 4.53 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 1.13 AU - 1.79 AU

Year: 1240 Days

Day: 8.7 Hours

Environment

Temp: -180 °C

Axial Tilt: 21.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 34,367,766 km

• M1: 175,478 km (0.109 R)
• M2: 806,781 km (0.086 R)
• M3: 2,049,790 km (0.055 R)
• M4: 2,560,667 km (0.115 R)
• M5: 3,113,281 km (0.084 R)
• M6: 3,761,788 km (0.115 R)
• M7: 4,351,652 km (0.043 R)
• M8: 5,083,635 km (0.041 R)
• M9: 5,630,864 km (0.109 R)
• M10: 6,078,461 km (0.105 R)
• M11: 6,794,735 km (0.089 R)
• M12: 7,355,279 km (0.052 R)
• M13: 8,197,515 km (0.115 R)
• M14: 8,686,251 km (0.101 R)
• M15: 10,468,859 km (0.063 R)
• M16: 10,907,480 km (0.089 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 290

Radius: 15

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 1.9 AU - 2.1 AU

Year: 1988 Days

Day: 9 Hours

Environment

Temp: -191 °C

Axial Tilt: 19 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 34,367,766 km

• M1: 190,737 km (0.07 R)
• M2: 1,146,518 km (0.111 R)
• M3: 1,615,807 km (0.078 R)
• M4: 3,502,385 km (0.118 R)
• M5: 4,507,982 km (0.087 R)
• M6: 5,259,861 km (0.092 R)
• M7: 7,523,127 km (0.085 R)
• M8: 8,055,247 km (0.103 R)
• M9: 9,165,562 km (0.039 R)
• M10: 10,087,384 km (0.071 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 962.1

Radius: 14.1

Gravity: 4.84 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 3.51 AU - 3.53 AU

Year: 4642 Days

Day: 12.9 Hours

Environment

Temp: -218 °C

Axial Tilt: 48.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 34,367,766 km

• M1: 175,478 km (0.105 R)
• M2: 646,113 km (0.119 R)
• M3: 1,156,840 km (0.113 R)
• M4: 1,876,855 km (0.083 R)
• M5: 2,462,979 km (0.106 R)
• M6: 3,072,591 km (0.094 R)
• M7: 3,715,114 km (0.107 R)
• M8: 4,346,716 km (0.081 R)
• M9: 4,833,507 km (0.063 R)
• M10: 5,856,757 km (0.12 R)
• M11: 7,584,313 km (0.116 R)
• M12: 8,102,819 km (0.081 R)
• M13: 9,975,485 km (0.115 R)
• M14: 10,873,970 km (0.062 R)
• M15: 11,728,323 km (0.101 R)
• M16: 14,281,361 km (0.112 R)
• M17: 19,078,665 km (0.088 R)
• M18: 22,892,065 km (0.107 R)
• M19: 24,136,569 km (0.054 R)
• M20: 25,018,000 km (0.072 R)
• M21: 25,755,069 km (0.066 R)
• M22: 28,316,932 km (0.107 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 903.6

Radius: 13.7

Gravity: 4.81 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 3.93 AU - 6.11 AU

Year: 7906 Days

Day: 5.5 Hours

Environment

Temp: -231 °C

Axial Tilt: 19.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 34,367,766 km

• M1: 208,839 km (0.11 R)
• M2: 701,016 km (0.064 R)
• M3: 1,736,083 km (0.094 R)
• M4: 2,347,789 km (0.053 R)
• M5: 3,014,696 km (0.099 R)
• M6: 3,805,471 km (0.107 R)
• M7: 4,908,905 km (0.06 R)
• M8: 6,576,023 km (0.115 R)
• M9: 10,036,970 km (0.065 R)
• M10: 11,798,634 km (0.11 R)
• M11: 13,457,525 km (0.101 R)
• M12: 15,202,136 km (0.091 R)
• M13: 16,953,029 km (0.114 R)
• M14: 19,594,628 km (0.071 R)
• M15: 20,612,642 km (0.119 R)
• M16: 25,130,946 km (0.104 R)
• M17: 31,418,694 km (0.069 R)
• M18: 35,609,230 km (0.107 R)
• M19: 40,158,800 km (0.032 R)
• M20: 41,800,188 km (0.084 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 131.9

Radius: 5.3

Gravity: 4.7 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 6.63 AU - 7.95 AU

Year: 13836 Days

Day: 20.3 Hours

Environment

Temp: -226 °C

Axial Tilt: 10 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 34,367,766 km

• M1: 65,973 km (0.078 R)
• M2: 290,220 km (0.108 R)
• M3: 540,048 km (0.038 R)
• M4: 718,818 km (0.118 R)
• M5: 1,747,602 km (0.104 R)
• M6: 2,680,644 km (0.092 R)
• M7: 3,191,671 km (0.106 R)
• M8: 4,101,525 km (0.089 R)
• M9: 4,805,981 km (0.045 R)
• M10: 5,029,480 km (0.088 R)
• M11: 6,285,504 km (0.053 R)
• M12: 6,586,944 km (0.057 R)
• M13: 7,110,836 km (0.12 R)
• M14: 7,438,156 km (0.097 R)
• M15: 7,813,497 km (0.064 R)
• M16: 8,083,820 km (0.1 R)
• M17: 9,100,188 km (0.085 R)
• M18: 10,107,879 km (0.034 R)
• M19: 12,187,888 km (0.114 R)
• M20: 12,499,201 km (0.034 R)
• M21: 14,537,023 km (0.077 R)
• M22: 14,887,083 km (0.074 R)
• M23: 16,032,853 km (0.098 R)
• M24: 16,343,867 km (0.115 R)
• M25: 17,694,436 km (0.076 R)
• M26: 19,537,781 km (0.08 R)
• M27: 21,280,596 km (0.105 R)
• M28: 21,883,775 km (0.113 R)
• M29: 24,493,061 km (0.081 R)
• M30: 29,568,468 km (0.095 R)
• M31: 32,548,607 km (0.099 R)
• M32: 34,059,994 km (0.116 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 322 - 16,224 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit