🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.78

Radius: 1.51

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 0.49 AU - 0.55 AU

Year: 246 Days

Day: 13.6 Hours

Environment

Temp: -112 °C

Axial Tilt: 18.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 764.6

Radius: 13.4

Gravity: 4.26 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 0.82 AU - 1 AU

Year: 569 Days

Day: 8.2 Hours

Environment

Temp: -157 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 19,827,494 km

• M1: 166,652 km (0.099 R)
• M2: 726,597 km (0.103 R)
• M3: 1,255,874 km (0.082 R)
• M4: 1,775,428 km (0.107 R)
• M5: 2,320,413 km (0.072 R)
• M6: 2,829,195 km (0.03 R)
• M7: 3,463,340 km (0.109 R)
• M8: 4,294,506 km (0.075 R)
• M9: 5,102,035 km (0.115 R)
• M10: 5,569,230 km (0.083 R)
• M11: 6,471,155 km (0.084 R)
• M12: 6,957,498 km (0.09 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 390.1

Radius: 9.3

Gravity: 4.51 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 1.27 AU - 1.83 AU

Year: 1266 Days

Day: 10.9 Hours

Environment

Temp: -169 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 19,827,494 km

• M1: 115,639 km (0.088 R)
• M2: 461,809 km (0.089 R)
• M3: 1,124,078 km (0.039 R)
• M4: 1,573,171 km (0.109 R)
• M5: 2,452,657 km (0.11 R)
• M6: 2,760,230 km (0.062 R)
• M7: 3,719,601 km (0.027 R)
• M8: 4,209,684 km (0.113 R)
• M9: 5,554,868 km (0.12 R)
• M10: 6,457,392 km (0.101 R)
• M11: 8,685,353 km (0.038 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 162.3

Radius: 14.7

Gravity: 0.75 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 1.9 AU - 2.4 AU

Year: 2068 Days

Day: 12.1 Hours

Environment

Temp: -188 °C

Axial Tilt: 44.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 19,827,494 km

• M1: 201,808 km (0.102 R)
• M2: 1,033,123 km (0.105 R)
• M3: 1,590,973 km (0.064 R)
• M4: 2,816,629 km (0.093 R)
• M5: 3,429,382 km (0.102 R)
• M6: 4,098,084 km (0.096 R)
• M7: 6,374,515 km (0.096 R)
• M8: 7,221,987 km (0.104 R)
• M9: 7,912,231 km (0.102 R)
• M10: 8,511,969 km (0.095 R)
• M11: 9,569,327 km (0.109 R)
• M12: 10,099,951 km (0.115 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 490.2

Radius: 10.6

Gravity: 4.36 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 2.6 AU - 3.2 AU

Year: 3240 Days

Day: 10.5 Hours

Environment

Temp: -207 °C

Axial Tilt: 5.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 19,827,494 km

• M1: 131,796 km (0.084 R)
• M2: 637,287 km (0.099 R)
• M3: 1,045,988 km (0.054 R)
• M4: 1,476,381 km (0.052 R)
• M5: 1,974,991 km (0.114 R)
• M6: 2,367,835 km (0.107 R)
• M7: 3,313,144 km (0.115 R)
• M8: 3,755,655 km (0.046 R)
• M9: 4,258,303 km (0.052 R)
• M10: 4,625,417 km (0.045 R)
• M11: 6,147,724 km (0.094 R)
• M12: 6,847,693 km (0.115 R)
• M13: 8,142,313 km (0.067 R)
• M14: 8,710,336 km (0.103 R)
• M15: 10,227,258 km (0.047 R)
• M16: 10,888,930 km (0.104 R)
• M17: 13,964,512 km (0.08 R)
• M18: 14,827,842 km (0.12 R)
• M19: 17,195,527 km (0.115 R)
• M20: 19,333,281 km (0.076 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 608.3

Radius: 12.9

Gravity: 3.66 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 2.38 AU - 3.5 AU

Year: 3307 Days

Day: 11.8 Hours

Environment

Temp: -208 °C

Axial Tilt: 2.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 19,827,494 km

• M1: 160,369 km (0.109 R)
• M2: 615,296 km (0.097 R)
• M3: 1,042,996 km (0.114 R)
• M4: 3,271,406 km (0.12 R)
• M5: 3,799,337 km (0.099 R)
• M6: 4,494,518 km (0.084 R)
• M7: 7,129,087 km (0.107 R)
• M8: 7,566,511 km (0.099 R)
• M9: 9,167,956 km (0.115 R)
• M10: 10,262,863 km (0.063 R)
• M11: 11,612,834 km (0.088 R)
• M12: 15,116,416 km (0.087 R)
• M13: 15,527,661 km (0.103 R)
• M14: 17,471,087 km (0.075 R)
• M15: 19,815,285 km (0.119 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 140.5

Radius: 7.7

Gravity: 2.37 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 6.06 AU - 6.76 AU

Year: 10646 Days

Day: 16.3 Hours

Environment

Temp: -219 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 19,827,494 km

• M1: 95,892 km (0.112 R)
• M2: 341,532 km (0.102 R)
• M3: 912,996 km (0.085 R)
• M4: 1,512,584 km (0.081 R)
• M5: 2,287,800 km (0.086 R)
• M6: 2,547,353 km (0.073 R)
• M7: 2,973,856 km (0.042 R)
• M8: 3,573,145 km (0.076 R)
• M9: 4,226,439 km (0.088 R)
• M10: 8,465,145 km (0.083 R)
• M11: 13,929,955 km (0.108 R)
• M12: 20,666,647 km (0.108 R)
• M13: 21,798,654 km (0.049 R)
• M14: 25,522,594 km (0.072 R)
• M15: 26,659,687 km (0.107 R)
• M16: 26,990,747 km (0.034 R)
• M17: 29,385,061 km (0.112 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 903.7

Radius: 7.4

Gravity: 16.5 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 5.91 AU - 8.93 AU

Year: 13259 Days

Day: 18.1 Hours

Environment

Temp: -224 °C

Axial Tilt: 11 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 19,827,494 km

• M1: 92,003 km (0.091 R)
• M2: 461,509 km (0.079 R)
• M3: 1,082,041 km (0.036 R)
• M4: 1,409,661 km (0.095 R)
• M5: 2,267,006 km (0.067 R)
• M6: 2,808,401 km (0.093 R)
• M7: 3,048,057 km (0.1 R)
• M8: 3,792,755 km (0.059 R)
• M9: 4,853,404 km (0.098 R)
• M10: 5,750,692 km (0.064 R)
• M11: 7,591,643 km (0.081 R)
• M12: 8,011,564 km (0.088 R)
• M13: 8,949,094 km (0.099 R)
• M14: 10,806,352 km (0.106 R)
• M15: 11,218,494 km (0.111 R)
• M16: 12,646,406 km (0.048 R)
• M17: 13,640,633 km (0.107 R)
• M18: 14,261,614 km (0.081 R)
• M19: 15,783,772 km (0.111 R)
• M20: 16,314,396 km (0.09 R)
• M21: 20,013,353 km (0.11 R)
• M22: 22,481,718 km (0.046 R)
• M23: 22,960,132 km (0.081 R)
• M24: 25,765,540 km (0.103 R)
• M25: 28,124,100 km (0.06 R)
• M26: 38,590,267 km (0.093 R)
• M27: 41,239,645 km (0.119 R)
• M28: 43,415,097 km (0.062 R)
• M29: 46,433,085 km (0.107 R)
• M30: 53,899,365 km (0.103 R)
• M31: 59,176,729 km (0.042 R)
• M32: 62,880,024 km (0.062 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 11.3

Radius: 5.4

Gravity: 0.39 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 8.11 AU - 11.87 AU

Year: 20714 Days

Day: 22.3 Hours

Environment

Temp: -239 °C

Axial Tilt: 17.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 19,827,494 km

• M1: 157,527 km (0.089 R)
• M2: 1,531,134 km (0.034 R)
• M3: 2,478,388 km (0.106 R)
• M4: 2,975,801 km (0.116 R)
• M5: 3,230,865 km (0.07 R)
• M6: 3,574,641 km (0.076 R)
• M7: 6,643,641 km (0.1 R)
• M8: 8,436,871 km (0.063 R)
• M9: 9,921,181 km (0.113 R)
• M10: 16,479,851 km (0.085 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 354 - 12,557 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit