🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.5

Radius: 1.18

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 0.43 AU - 0.67 AU

Year: 263 Days

Day: 42.6 Hours

Environment

Temp: -118 °C

Axial Tilt: 9.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.18

Radius: 1.59

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 0.44 AU - 0.72 AU

Year: 285 Days

Day: 39.7 Hours

Environment

Temp: -126 °C

Axial Tilt: 7.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 338.8

Radius: 8.5

Gravity: 4.69 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 0.65 AU - 0.77 AU

Year: 386 Days

Day: 8.1 Hours

Environment

Temp: -129 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 27,365,253 km

• M1: 106,065 km (0.096 R)
• M2: 399,127 km (0.085 R)
• M3: 731,234 km (0.117 R)
• M4: 1,469,949 km (0.071 R)
• M5: 1,839,007 km (0.106 R)
• M6: 2,221,080 km (0.099 R)
• M7: 2,840,864 km (0.11 R)
• M8: 3,186,435 km (0.097 R)
• M9: 3,571,051 km (0.094 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 399.6

Radius: 10.1

Gravity: 3.92 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 1.34 AU - 1.64 AU

Year: 1174 Days

Day: 6.8 Hours

Environment

Temp: -182 °C

Axial Tilt: 2.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 27,365,253 km

• M1: 125,961 km (0.068 R)
• M2: 613,501 km (0.073 R)
• M3: 1,078,601 km (0.103 R)
• M4: 1,458,430 km (0.063 R)
• M5: 1,817,165 km (0.101 R)
• M6: 2,193,554 km (0.111 R)
• M7: 3,106,101 km (0.112 R)
• M8: 3,432,972 km (0.084 R)
• M9: 4,745,992 km (0.116 R)
• M10: 5,088,871 km (0.118 R)
• M11: 5,584,788 km (0.038 R)
• M12: 5,967,459 km (0.087 R)
• M13: 7,174,863 km (0.059 R)
• M14: 7,676,465 km (0.084 R)
• M15: 8,590,807 km (0.072 R)
• M16: 8,938,323 km (0.034 R)
• M17: 9,462,963 km (0.037 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 337.5

Radius: 11.4

Gravity: 2.6 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 1.79 AU - 1.81 AU

Year: 1559 Days

Day: 7.5 Hours

Environment

Temp: -195 °C

Axial Tilt: 28.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 27,365,253 km

• M1: 141,819 km (0.113 R)
• M2: 668,254 km (0.085 R)
• M3: 1,063,940 km (0.082 R)
• M4: 1,527,693 km (0.108 R)
• M5: 1,894,208 km (0.089 R)
• M6: 2,387,881 km (0.095 R)
• M7: 3,060,324 km (0.088 R)
• M8: 3,935,172 km (0.092 R)
• M9: 5,026,638 km (0.057 R)
• M10: 6,489,705 km (0.075 R)
• M11: 8,299,839 km (0.09 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 561.4

Radius: 11.2

Gravity: 4.48 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 1.9 AU - 2.86 AU

Year: 2371 Days

Day: 12 Hours

Environment

Temp: -204 °C

Axial Tilt: 18.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 27,365,253 km

• M1: 139,276 km (0.06 R)
• M2: 572,361 km (0.107 R)
• M3: 1,331,122 km (0.031 R)
• M4: 1,713,195 km (0.07 R)
• M5: 2,295,280 km (0.038 R)
• M6: 2,928,678 km (0.091 R)
• M7: 3,345,607 km (0.093 R)
• M8: 3,765,678 km (0.053 R)
• M9: 4,123,067 km (0.101 R)
• M10: 5,665,421 km (0.089 R)
• M11: 9,163,169 km (0.074 R)
• M12: 10,791,691 km (0.096 R)
• M13: 11,169,725 km (0.109 R)
• M14: 12,276,001 km (0.086 R)
• M15: 12,646,705 km (0.086 R)
• M16: 13,803,844 km (0.093 R)
• M17: 15,170,720 km (0.075 R)
• M18: 16,229,125 km (0.114 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 344.3

Radius: 12.1

Gravity: 2.35 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 2.16 AU - 2.98 AU

Year: 2660 Days

Day: 11.9 Hours

Environment

Temp: -201 °C

Axial Tilt: 21.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 27,365,253 km

• M1: 150,495 km (0.092 R)
• M2: 580,589 km (0.105 R)
• M3: 993,779 km (0.101 R)
• M4: 2,209,411 km (0.047 R)
• M5: 3,373,432 km (0.078 R)
• M6: 3,889,545 km (0.116 R)
• M7: 4,618,834 km (0.064 R)
• M8: 5,346,777 km (0.106 R)
• M9: 6,349,981 km (0.081 R)
• M10: 6,816,726 km (0.028 R)
• M11: 8,174,476 km (0.088 R)
• M12: 8,727,689 km (0.089 R)
• M13: 9,404,470 km (0.065 R)
• M14: 10,150,814 km (0.101 R)
• M15: 10,682,036 km (0.12 R)
• M16: 11,120,208 km (0.093 R)
• M17: 14,488,554 km (0.107 R)
• M18: 15,254,196 km (0.045 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 98.1

Radius: 7.3

Gravity: 1.84 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 6.36 AU - 7.2 AU

Year: 11399 Days

Day: 17.9 Hours

Environment

Temp: -230 °C

Axial Tilt: 5.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 27,365,253 km

• M1: 91,255 km (0.103 R)
• M2: 506,838 km (0.047 R)
• M3: 895,493 km (0.106 R)
• M4: 1,134,700 km (0.109 R)
• M5: 2,494,245 km (0.073 R)
• M6: 4,314,403 km (0.116 R)
• M7: 4,703,207 km (0.033 R)
• M8: 7,041,422 km (0.117 R)
• M9: 8,441,808 km (0.097 R)
• M10: 9,050,671 km (0.064 R)
• M11: 15,350,238 km (0.117 R)
• M12: 17,560,247 km (0.079 R)
• M13: 17,804,540 km (0.115 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: 386 - 12,820 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit