🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.05

Radius: 1.75

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 0.53 AU - 0.53 AU

Year: 253 Days

Day: 25.8 Hours

Environment

Temp: -119 °C

Axial Tilt: 12.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 53,903,118 km

• M1: 48,769 km (0.07 R)
• M2: 136,134 km (0.113 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 583.4

Radius: 14.4

Gravity: 2.81 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 0.79 AU - 0.81 AU

Year: 469 Days

Day: 10.6 Hours

Environment

Temp: -156 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 53,903,118 km

• M1: 179,069 km (0.111 R)
• M2: 701,464 km (0.115 R)
• M3: 1,320,949 km (0.058 R)
• M4: 1,918,892 km (0.102 R)
• M5: 2,391,172 km (0.071 R)
• M6: 2,941,842 km (0.092 R)
• M7: 3,445,389 km (0.062 R)
• M8: 4,193,677 km (0.059 R)
• M9: 4,910,700 km (0.118 R)
• M10: 5,492,935 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 944

Radius: 13.8

Gravity: 4.96 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 1.64 AU - 1.8 AU

Year: 1480 Days

Day: 12.4 Hours

Environment

Temp: -188 °C

Axial Tilt: 13.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 53,903,118 km

• M1: 171,888 km (0.092 R)
• M2: 664,065 km (0.075 R)
• M3: 1,280,259 km (0.087 R)
• M4: 2,443,232 km (0.114 R)
• M5: 2,946,928 km (0.097 R)
• M6: 3,552,949 km (0.051 R)
• M7: 4,913,093 km (0.089 R)
• M8: 5,362,635 km (0.1 R)
• M9: 6,320,510 km (0.113 R)
• M10: 8,515,260 km (0.04 R)
• M11: 9,521,755 km (0.056 R)
• M12: 11,142,049 km (0.117 R)
• M13: 12,463,148 km (0.069 R)
• M14: 13,469,044 km (0.057 R)
• M15: 14,703,077 km (0.044 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 539

Radius: 14.6

Gravity: 2.53 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 1.67 AU - 2.49 AU

Year: 1968 Days

Day: 7.3 Hours

Environment

Temp: -192 °C

Axial Tilt: 9.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 53,903,118 km

• M1: 181,612 km (0.081 R)
• M2: 747,690 km (0.037 R)
• M3: 1,382,284 km (0.093 R)
• M4: 4,610,008 km (0.088 R)
• M5: 5,168,158 km (0.061 R)
• M6: 6,126,332 km (0.07 R)
• M7: 6,802,963 km (0.027 R)
• M8: 7,473,610 km (0.12 R)
• M9: 8,366,261 km (0.083 R)
• M10: 9,136,840 km (0.117 R)
• M11: 9,887,372 km (0.101 R)
• M12: 10,468,111 km (0.099 R)
• M13: 11,660,855 km (0.119 R)
• M14: 13,431,046 km (0.082 R)
• M15: 14,971,605 km (0.118 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 172.1

Radius: 9.8

Gravity: 1.79 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 2.36 AU - 2.84 AU

Year: 2750 Days

Day: 14.2 Hours

Environment

Temp: -199 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 53,903,118 km

• M1: 122,072 km (0.06 R)
• M2: 477,816 km (0.028 R)
• M3: 920,625 km (0.083 R)
• M4: 1,245,851 km (0.109 R)
• M5: 1,567,187 km (0.054 R)
• M6: 2,969,368 km (0.078 R)
• M7: 3,289,807 km (0.097 R)
• M8: 3,601,120 km (0.086 R)
• M9: 4,283,885 km (0.116 R)
• M10: 5,531,082 km (0.113 R)
• M11: 6,042,108 km (0.073 R)
• M12: 6,829,891 km (0.043 R)
• M13: 7,392,229 km (0.116 R)
• M14: 8,903,616 km (0.068 R)
• M15: 9,357,796 km (0.04 R)
• M16: 11,900,660 km (0.058 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 347.3

Radius: 9.2

Gravity: 4.1 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 2.66 AU - 2.9 AU

Year: 3041 Days

Day: 12.5 Hours

Environment

Temp: -197 °C

Axial Tilt: 45.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 53,903,118 km

• M1: 114,592 km (0.1 R)
• M2: 935,585 km (0.108 R)
• M3: 1,238,072 km (0.107 R)
• M4: 1,606,980 km (0.119 R)
• M5: 2,048,892 km (0.087 R)
• M6: 2,514,591 km (0.115 R)
• M7: 3,804,274 km (0.094 R)
• M8: 6,337,564 km (0.118 R)
• M9: 7,651,033 km (0.066 R)
• M10: 8,013,808 km (0.114 R)
• M11: 9,171,097 km (0.066 R)
• M12: 9,719,972 km (0.119 R)
• M13: 11,734,756 km (0.098 R)
• M14: 14,374,411 km (0.115 R)
• M15: 16,722,798 km (0.104 R)
• M16: 17,283,192 km (0.06 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 141

Radius: 14.3

Gravity: 0.69 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 3.23 AU - 4.93 AU

Year: 5406 Days

Day: 13.4 Hours

Environment

Temp: -209 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 53,903,118 km

• M1: 177,872 km (0.074 R)
• M2: 700,567 km (0.083 R)
• M3: 1,174,642 km (0.092 R)
• M4: 2,024,358 km (0.096 R)
• M5: 2,704,281 km (0.079 R)
• M6: 3,289,956 km (0.057 R)
• M7: 4,359,282 km (0.067 R)
• M8: 5,123,727 km (0.07 R)
• M9: 7,296,935 km (0.1 R)
• M10: 8,938,772 km (0.098 R)
• M11: 9,385,322 km (0.08 R)
• M12: 10,323,450 km (0.1 R)
• M13: 11,204,581 km (0.113 R)
• M14: 11,805,965 km (0.067 R)
• M15: 13,650,058 km (0.054 R)
• M16: 14,997,935 km (0.112 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 38.6

Radius: 10.6

Gravity: 0.34 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 3.72 AU - 5.42 AU

Year: 6409 Days

Day: 12.5 Hours

Environment

Temp: -207 °C

Axial Tilt: 13.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 53,903,118 km

• M1: 132,693 km (0.083 R)
• M2: 472,131 km (0.111 R)
• M3: 1,822,850 km (0.089 R)
• M4: 2,938,551 km (0.104 R)
• M5: 5,930,808 km (0.081 R)
• M6: 6,551,639 km (0.097 R)
• M7: 6,903,643 km (0.087 R)
• M8: 7,241,734 km (0.104 R)
• M9: 9,101,834 km (0.119 R)
• M10: 9,765,599 km (0.107 R)
• M11: 10,159,191 km (0.11 R)
• M12: 12,326,565 km (0.113 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 570.1

Radius: 7.5

Gravity: 10.14 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 5.89 AU - 8.81 AU

Year: 13072 Days

Day: 16.4 Hours

Environment

Temp: -232 °C

Axial Tilt: 25 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 53,903,118 km

• M1: 93,349 km (0.07 R)
• M2: 1,094,608 km (0.106 R)
• M3: 1,419,235 km (0.119 R)
• M4: 2,283,761 km (0.046 R)
• M5: 2,774,891 km (0.032 R)
• M6: 3,069,300 km (0.09 R)
• M7: 3,511,361 km (0.089 R)
• M8: 4,312,159 km (0.101 R)
• M9: 5,538,562 km (0.104 R)
• M10: 7,879,769 km (0.055 R)
• M11: 8,519,449 km (0.098 R)
• M12: 10,163,679 km (0.102 R)
• M13: 10,592,277 km (0.112 R)
• M14: 10,976,893 km (0.087 R)
• M15: 11,428,081 km (0.09 R)
• M16: 12,488,131 km (0.086 R)
• M17: 15,145,288 km (0.096 R)
• M18: 17,237,714 km (0.106 R)
• M19: 17,693,539 km (0.055 R)
• M20: 19,190,116 km (0.103 R)
• M21: 20,177,761 km (0.096 R)
• M22: 25,825,828 km (0.109 R)
• M23: 27,232,647 km (0.073 R)
• M24: 28,059,175 km (0.073 R)
• M25: 41,450,129 km (0.071 R)
• M26: 42,958,076 km (0.105 R)
• M27: 44,929,626 km (0.082 R)
• M28: 50,121,121 km (0.102 R)
• M29: 53,100,063 km (0.067 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: 190 - 18,371 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit