🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.91

Radius: 1.53

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 0.55 AU - 0.63 AU

Year: 297 Days

Day: 22.8 Hours

Environment

Temp: -136 °C

Axial Tilt: 21.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 52,646,500 km

• M1: 42,635 km (0.075 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 682.8

Radius: 8.7

Gravity: 9.02 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 0.65 AU - 0.79 AU

Year: 401 Days

Day: 6.6 Hours

Environment

Temp: -136 °C

Axial Tilt: 27.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 52,646,500 km

• M1: 108,159 km (0.087 R)
• M2: 542,442 km (0.112 R)
• M3: 1,068,877 km (0.047 R)
• M4: 1,393,654 km (0.041 R)
• M5: 1,703,621 km (0.03 R)
• M6: 2,599,263 km (0.102 R)
• M7: 2,913,269 km (0.097 R)
• M8: 3,344,410 km (0.095 R)
• M9: 3,779,740 km (0.082 R)
• M10: 4,090,604 km (0.093 R)

Asteroid Belt

Center: 1.03 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 169.2

Radius: 11.5

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 1.01 AU - 1.67 AU

Year: 1018 Days

Day: 11.1 Hours

Environment

Temp: -178 °C

Axial Tilt: 148.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 52,646,500 km

• M1: 143,315 km (0.099 R)
• M2: 517,609 km (0.087 R)
• M3: 968,796 km (0.094 R)
• M4: 1,459,926 km (0.08 R)
• M5: 2,132,667 km (0.101 R)
• M6: 2,627,238 km (0.064 R)
• M7: 3,463,041 km (0.102 R)
• M8: 4,482,999 km (0.102 R)
• M9: 5,940,980 km (0.065 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 706.3

Radius: 11.9

Gravity: 4.99 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 1.26 AU - 1.42 AU

Year: 1018 Days

Day: 10.6 Hours

Environment

Temp: -178 °C

Axial Tilt: 5.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 52,646,500 km

• M1: 148,551 km (0.067 R)
• M2: 528,828 km (0.111 R)
• M3: 1,869,973 km (0.09 R)
• M4: 3,019,184 km (0.088 R)
• M5: 3,671,730 km (0.109 R)
• M6: 4,644,565 km (0.098 R)
• M7: 5,781,509 km (0.087 R)
• M8: 6,930,121 km (0.061 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 56.1

Radius: 8.4

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 1.33 AU - 1.41 AU

Year: 1052 Days

Day: 11.2 Hours

Environment

Temp: -167 °C

Axial Tilt: 13.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 52,646,500 km

• M1: 106,364 km (0.114 R)
• M2: 442,810 km (0.071 R)
• M3: 779,555 km (0.114 R)
• M4: 1,098,647 km (0.048 R)
• M5: 1,853,817 km (0.099 R)
• M6: 2,744,074 km (0.104 R)
• M7: 3,300,877 km (0.094 R)
• M8: 3,612,190 km (0.046 R)
• M9: 4,437,522 km (0.11 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 194.5

Radius: 10.9

Gravity: 1.64 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 1.88 AU - 2.96 AU

Year: 2470 Days

Day: 8.7 Hours

Environment

Temp: -191 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 52,646,500 km

• M1: 142,268 km (0.095 R)
• M2: 490,382 km (0.113 R)
• M3: 835,504 km (0.104 R)
• M4: 1,840,353 km (0.118 R)
• M5: 2,243,818 km (0.058 R)
• M6: 3,115,824 km (0.071 R)
• M7: 4,600,135 km (0.06 R)
• M8: 5,330,920 km (0.091 R)
• M9: 5,911,659 km (0.115 R)
• M10: 7,048,004 km (0.034 R)
• M11: 8,046,570 km (0.05 R)
• M12: 9,749,144 km (0.106 R)
• M13: 11,609,393 km (0.105 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 143.5

Radius: 5.7

Gravity: 4.42 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 5.34 AU - 7.32 AU

Year: 10448 Days

Day: 22.2 Hours

Environment

Temp: -224 °C

Axial Tilt: 12.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 52,646,500 km

• M1: 71,508 km (0.102 R)
• M2: 250,128 km (0.114 R)
• M3: 829,221 km (0.045 R)
• M4: 1,914,254 km (0.107 R)
• M5: 2,100,952 km (0.058 R)
• M6: 4,229,880 km (0.079 R)
• M7: 4,882,874 km (0.075 R)
• M8: 5,233,532 km (0.108 R)
• M9: 9,676,589 km (0.079 R)
• M10: 13,472,036 km (0.112 R)
• M11: 17,401,673 km (0.073 R)
• M12: 19,929,279 km (0.067 R)
• M13: 22,988,555 km (0.086 R)
• M14: 25,458,566 km (0.069 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 353.3

Radius: 5

Gravity: 14.13 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 8.42 AU - 8.42 AU

Year: 16028 Days

Day: 24.5 Hours

Environment

Temp: -218 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 52,646,500 km

• M1: 62,233 km (0.057 R)
• M2: 406,009 km (0.11 R)
• M3: 835,504 km (0.118 R)
• M4: 1,850,675 km (0.081 R)
• M5: 2,128,927 km (0.025 R)
• M6: 2,747,365 km (0.028 R)
• M7: 3,109,990 km (0.034 R)
• M8: 3,766,426 km (0.118 R)
• M9: 4,696,027 km (0.098 R)
• M10: 5,697,734 km (0.036 R)
• M11: 6,517,680 km (0.111 R)
• M12: 13,526,340 km (0.06 R)
• M13: 26,384,128 km (0.053 R)
• M14: 28,949,582 km (0.051 R)
• M15: 49,251,658 km (0.106 R)
• M16: 49,554,145 km (0.06 R)
• M17: 50,622,274 km (0.118 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 268 - 14,562 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit