🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.5

Radius: 0.76

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 0.49 AU - 0.63 AU

Year: 275 Days

Day: 32.7 Hours

Environment

Temp: -131 °C

Axial Tilt: 31.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 36,729,798 km

• M1: 55,650 km (0.038 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.48

Radius: 1.44

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 0.48 AU - 0.7 AU

Year: 297 Days

Day: 20.6 Hours

Environment

Temp: -123 °C

Axial Tilt: 23.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 688.4

Radius: 8.1

Gravity: 10.49 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 0.78 AU - 1.1 AU

Year: 598 Days

Day: 5.7 Hours

Environment

Temp: -148 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 36,729,798 km

• M1: 100,679 km (0.074 R)
• M2: 370,554 km (0.082 R)
• M3: 664,364 km (0.115 R)
• M4: 957,726 km (0.11 R)
• M5: 1,298,809 km (0.099 R)
• M6: 1,902,586 km (0.112 R)
• M7: 2,387,283 km (0.042 R)
• M8: 3,724,987 km (0.106 R)
• M9: 4,300,789 km (0.068 R)
• M10: 5,017,961 km (0.111 R)
• M11: 5,431,749 km (0.114 R)
• M12: 5,720,174 km (0.084 R)
• M13: 6,210,855 km (0.074 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 337.3

Radius: 12.1

Gravity: 2.3 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 2.7 AU - 4.18 AU

Year: 4185 Days

Day: 12.6 Hours

Environment

Temp: -202 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 36,729,798 km

• M1: 150,495 km (0.118 R)
• M2: 587,770 km (0.111 R)
• M3: 1,044,343 km (0.119 R)
• M4: 1,621,043 km (0.114 R)
• M5: 2,375,764 km (0.117 R)
• M6: 3,022,775 km (0.118 R)
• M7: 3,425,043 km (0.075 R)
• M8: 4,253,367 km (0.104 R)
• M9: 5,585,835 km (0.108 R)
• M10: 6,998,637 km (0.106 R)
• M11: 8,432,234 km (0.107 R)
• M12: 9,200,568 km (0.079 R)
• M13: 9,601,939 km (0.071 R)
• M14: 10,206,614 km (0.102 R)
• M15: 11,660,406 km (0.103 R)
• M16: 12,883,219 km (0.109 R)
• M17: 13,386,317 km (0.037 R)
• M18: 16,578,586 km (0.081 R)
• M19: 17,339,291 km (0.065 R)
• M20: 20,246,875 km (0.108 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 556.1

Radius: 11.4

Gravity: 4.28 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 4.62 AU - 5.48 AU

Year: 7445 Days

Day: 5.5 Hours

Environment

Temp: -221 °C

Axial Tilt: 16.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 36,729,798 km

• M1: 142,417 km (0.115 R)
• M2: 505,342 km (0.085 R)
• M3: 1,071,570 km (0.066 R)
• M4: 1,468,602 km (0.028 R)
• M5: 2,040,515 km (0.097 R)
• M6: 4,188,142 km (0.03 R)
• M7: 4,742,701 km (0.116 R)
• M8: 6,953,309 km (0.111 R)
• M9: 7,694,417 km (0.098 R)
• M10: 8,244,039 km (0.066 R)
• M11: 8,988,887 km (0.06 R)
• M12: 9,914,000 km (0.095 R)
• M13: 10,804,706 km (0.12 R)
• M14: 12,799,295 km (0.04 R)
• M15: 14,200,428 km (0.057 R)
• M16: 14,788,498 km (0.062 R)
• M17: 16,458,010 km (0.083 R)
• M18: 18,804,752 km (0.097 R)
• M19: 23,413,862 km (0.113 R)
• M20: 25,502,847 km (0.066 R)
• M21: 28,539,683 km (0.119 R)
• M22: 29,287,673 km (0.098 R)
• M23: 29,666,604 km (0.069 R)
• M24: 32,613,832 km (0.102 R)
• M25: 33,741,650 km (0.03 R)
• M26: 36,292,443 km (0.102 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: 489 - 16,175 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit