🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.39

Radius: 1.42

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 0.44 AU - 0.66 AU

Year: 263 Days

Day: 20 Hours

Environment

Temp: -129 °C

Axial Tilt: 31 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 873.9

Radius: 11.2

Gravity: 6.97 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 0.72 AU - 0.86 AU

Year: 453 Days

Day: 12 Hours

Environment

Temp: -141 °C

Axial Tilt: 41.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 37,524,891 km

• M1: 139,276 km (0.04 R)
• M2: 517,309 km (0.098 R)
• M3: 891,304 km (0.047 R)
• M4: 1,369,419 km (0.076 R)
• M5: 1,726,659 km (0.099 R)
• M6: 2,302,162 km (0.096 R)
• M7: 2,979,690 km (0.106 R)
• M8: 3,720,050 km (0.045 R)
• M9: 4,098,982 km (0.03 R)
• M10: 4,578,892 km (0.073 R)
• M11: 5,327,180 km (0.063 R)
• M12: 5,846,135 km (0.106 R)
• M13: 6,341,903 km (0.086 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 688.4

Radius: 9.4

Gravity: 7.79 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 0.88 AU - 1.22 AU

Year: 695 Days

Day: 13.3 Hours

Environment

Temp: -169 °C

Axial Tilt: 2.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 37,524,891 km

• M1: 117,434 km (0.1 R)
• M2: 442,361 km (0.081 R)
• M3: 739,462 km (0.104 R)
• M4: 1,046,288 km (0.082 R)
• M5: 1,551,629 km (0.098 R)
• M6: 1,977,085 km (0.044 R)
• M7: 2,282,714 km (0.09 R)
• M8: 2,587,295 km (0.108 R)
• M9: 2,942,889 km (0.12 R)
• M10: 3,331,245 km (0.098 R)
• M11: 3,753,411 km (0.105 R)
• M12: 4,180,662 km (0.04 R)
• M13: 4,672,839 km (0.064 R)
• M14: 5,097,547 km (0.072 R)
• M15: 6,202,777 km (0.115 R)
• M16: 6,865,495 km (0.112 R)
• M17: 7,191,918 km (0.036 R)
• M18: 7,574,439 km (0.071 R)
• M19: 7,994,361 km (0.098 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 611.7

Radius: 8.3

Gravity: 8.88 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 1.23 AU - 1.73 AU

Year: 1163 Days

Day: 8.1 Hours

Environment

Temp: -170 °C

Axial Tilt: 13.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 37,524,891 km

• M1: 103,372 km (0.077 R)
• M2: 379,979 km (0.104 R)
• M3: 779,555 km (0.066 R)
• M4: 1,205,460 km (0.101 R)
• M5: 1,489,396 km (0.099 R)
• M6: 1,771,089 km (0.062 R)
• M7: 2,078,064 km (0.109 R)
• M8: 2,724,177 km (0.078 R)
• M9: 3,149,933 km (0.033 R)
• M10: 3,650,188 km (0.098 R)
• M11: 3,919,614 km (0.116 R)
• M12: 4,606,866 km (0.041 R)
• M13: 5,806,193 km (0.063 R)
• M14: 6,152,512 km (0.092 R)
• M15: 6,674,608 km (0.086 R)
• M16: 7,006,715 km (0.115 R)
• M17: 8,043,130 km (0.09 R)
• M18: 8,310,760 km (0.106 R)
• M19: 9,265,643 km (0.115 R)
• M20: 9,619,442 km (0.091 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 172.3

Radius: 11.8

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 1.68 AU - 1.92 AU

Year: 1559 Days

Day: 9.8 Hours

Environment

Temp: -193 °C

Axial Tilt: 170 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 37,524,891 km

• M1: 146,756 km (0.071 R)
• M2: 576,251 km (0.037 R)
• M3: 1,123,929 km (0.099 R)
• M4: 1,684,771 km (0.077 R)
• M5: 2,437,996 km (0.083 R)
• M6: 2,856,721 km (0.035 R)
• M7: 3,499,693 km (0.118 R)
• M8: 3,870,845 km (0.068 R)
• M9: 4,268,326 km (0.08 R)
• M10: 5,421,128 km (0.084 R)
• M11: 6,080,555 km (0.079 R)
• M12: 6,641,697 km (0.118 R)
• M13: 7,653,577 km (0.088 R)
• M14: 8,159,816 km (0.069 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 337.7

Radius: 14.4

Gravity: 1.63 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 1.65 AU - 2.25 AU

Year: 1758 Days

Day: 5.4 Hours

Environment

Temp: -189 °C

Axial Tilt: 43.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 37,524,891 km

• M1: 181,163 km (0.105 R)
• M2: 663,915 km (0.069 R)
• M3: 1,573,022 km (0.085 R)
• M4: 2,694,706 km (0.111 R)
• M5: 3,941,156 km (0.114 R)
• M6: 4,751,228 km (0.084 R)
• M7: 6,038,069 km (0.089 R)
• M8: 7,116,520 km (0.098 R)
• M9: 7,833,692 km (0.105 R)
• M10: 10,214,543 km (0.099 R)
• M11: 10,927,975 km (0.057 R)
• M12: 11,399,059 km (0.095 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 706.2

Radius: 10.7

Gravity: 6.17 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 2.02 AU - 2.44 AU

Year: 2150 Days

Day: 11.6 Hours

Environment

Temp: -191 °C

Axial Tilt: 47 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 37,524,891 km

• M1: 133,142 km (0.119 R)
• M2: 487,839 km (0.045 R)
• M3: 1,356,853 km (0.112 R)
• M4: 1,757,625 km (0.076 R)
• M5: 2,275,982 km (0.049 R)
• M6: 2,803,763 km (0.117 R)
• M7: 3,498,047 km (0.093 R)
• M8: 3,990,074 km (0.051 R)
• M9: 4,847,420 km (0.119 R)
• M10: 5,181,921 km (0.113 R)
• M11: 5,823,247 km (0.055 R)
• M12: 6,384,239 km (0.089 R)
• M13: 8,348,758 km (0.072 R)
• M14: 10,101,447 km (0.051 R)
• M15: 10,612,473 km (0.104 R)
• M16: 11,140,853 km (0.058 R)
• M17: 11,766,022 km (0.067 R)
• M18: 12,705,497 km (0.099 R)
• M19: 13,960,324 km (0.095 R)
• M20: 14,872,721 km (0.107 R)
• M21: 16,166,892 km (0.066 R)
• M22: 16,664,904 km (0.09 R)

Planet 8 - Gas Giant

Semi-Major Axis: 2.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 781.1

Radius: 13

Gravity: 4.62 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 2.11 AU - 3.07 AU

Year: 2691 Days

Day: 9 Hours

Environment

Temp: -206 °C

Axial Tilt: 9.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 37,524,891 km

• M1: 162,912 km (0.069 R)
• M2: 597,195 km (0.098 R)
• M3: 1,362,238 km (0.106 R)
• M4: 1,796,970 km (0.085 R)
• M5: 2,284,808 km (0.053 R)
• M6: 3,141,854 km (0.075 R)
• M7: 4,058,441 km (0.101 R)
• M8: 4,886,315 km (0.069 R)
• M9: 5,540,656 km (0.114 R)
• M10: 8,386,008 km (0.102 R)
• M11: 9,544,195 km (0.1 R)
• M12: 11,251,106 km (0.1 R)
• M13: 12,176,967 km (0.082 R)
• M14: 13,336,201 km (0.039 R)
• M15: 14,132,960 km (0.089 R)
• M16: 16,554,949 km (0.12 R)
• M17: 18,717,087 km (0.095 R)
• M18: 20,077,081 km (0.104 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 244.2

Radius: 4.4

Gravity: 12.61 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 6.61 AU - 7.11 AU

Year: 11601 Days

Day: 21.6 Hours

Environment

Temp: -214 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 37,524,891 km

• M1: 54,753 km (0.115 R)
• M2: 698,173 km (0.067 R)
• M3: 868,416 km (0.078 R)
• M4: 1,476,082 km (0.101 R)
• M5: 2,363,946 km (0.102 R)
• M6: 2,525,511 km (0.07 R)
• M7: 3,920,212 km (0.119 R)
• M8: 6,564,803 km (0.119 R)
• M9: 7,672,276 km (0.077 R)
• M10: 8,229,528 km (0.079 R)
• M11: 9,558,556 km (0.112 R)
• M12: 10,250,297 km (0.12 R)
• M13: 12,098,279 km (0.116 R)
• M14: 17,094,549 km (0.101 R)
• M15: 21,712,785 km (0.088 R)
• M16: 23,556,878 km (0.063 R)
• M17: 27,370,426 km (0.11 R)
• M18: 29,614,544 km (0.094 R)
• M19: 34,891,310 km (0.109 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 302 - 14,373 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit