🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.68

Radius: 1.85

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 0.56 AU - 0.68 AU

Year: 315 Days

Day: 26.8 Hours

Environment

Temp: -120 °C

Axial Tilt: 31.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.47

Radius: 1.64

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 0.48 AU - 0.8 AU

Year: 331 Days

Day: 35.9 Hours

Environment

Temp: -136 °C

Axial Tilt: 15.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 27,760,431 km

• M1: 208,839 km (0.12 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 567.1

Radius: 8

Gravity: 8.86 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 0.56 AU - 0.92 AU

Year: 411 Days

Day: 14.4 Hours

Environment

Temp: -149 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 27,760,431 km

• M1: 99,483 km (0.112 R)
• M2: 392,694 km (0.089 R)
• M3: 749,186 km (0.111 R)
• M4: 1,008,589 km (0.085 R)
• M5: 1,264,551 km (0.096 R)
• M6: 1,674,748 km (0.103 R)
• M7: 2,501,276 km (0.099 R)
• M8: 2,905,789 km (0.102 R)
• M9: 3,575,838 km (0.042 R)
• M10: 4,050,961 km (0.07 R)
• M11: 4,483,149 km (0.073 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 420.2

Radius: 14.5

Gravity: 2 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 0.92 AU - 0.96 AU

Year: 588 Days

Day: 10.4 Hours

Environment

Temp: -162 °C

Axial Tilt: 20.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 27,760,431 km

• M1: 183,257 km (0.109 R)
• M2: 636,240 km (0.089 R)
• M3: 1,208,452 km (0.091 R)
• M4: 2,028,098 km (0.052 R)
• M5: 2,623,797 km (0.091 R)
• M6: 3,265,722 km (0.103 R)
• M7: 3,945,045 km (0.074 R)
• M8: 5,488,746 km (0.084 R)
• M9: 6,001,567 km (0.109 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 953.3

Radius: 8.9

Gravity: 12.04 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 0.88 AU - 1.22 AU

Year: 695 Days

Day: 9.3 Hours

Environment

Temp: -159 °C

Axial Tilt: 42.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 27,760,431 km

• M1: 110,702 km (0.119 R)
• M2: 395,238 km (0.089 R)
• M3: 876,793 km (0.045 R)
• M4: 1,309,580 km (0.082 R)
• M5: 1,613,114 km (0.119 R)
• M6: 1,908,270 km (0.087 R)
• M7: 2,387,133 km (0.118 R)
• M8: 2,667,180 km (0.067 R)
• M9: 2,994,501 km (0.088 R)
• M10: 3,431,027 km (0.096 R)
• M11: 3,715,862 km (0.082 R)
• M12: 4,366,163 km (0.079 R)
• M13: 4,718,766 km (0.06 R)
• M14: 6,302,708 km (0.118 R)
• M15: 6,931,468 km (0.067 R)
• M16: 7,818,134 km (0.1 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 69.8

Radius: 10.6

Gravity: 0.62 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 2.03 AU - 3.37 AU

Year: 2865 Days

Day: 11 Hours

Environment

Temp: -209 °C

Axial Tilt: 11.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 27,760,431 km

• M1: 135,835 km (0.115 R)
• M2: 495,917 km (0.114 R)
• M3: 1,419,983 km (0.12 R)
• M4: 1,890,468 km (0.094 R)
• M5: 2,474,798 km (0.105 R)
• M6: 3,353,535 km (0.119 R)
• M7: 4,196,819 km (0.108 R)
• M8: 5,138,238 km (0.08 R)
• M9: 5,679,034 km (0.118 R)
• M10: 7,221,837 km (0.047 R)
• M11: 8,282,337 km (0.072 R)
• M12: 8,729,185 km (0.099 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 500.4

Radius: 13.6

Gravity: 2.71 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 2.84 AU - 4.34 AU

Year: 4392 Days

Day: 12.5 Hours

Environment

Temp: -212 °C

Axial Tilt: 18.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 27,760,431 km

• M1: 169,195 km (0.105 R)
• M2: 640,728 km (0.096 R)
• M3: 1,517,820 km (0.059 R)
• M4: 2,381,748 km (0.111 R)
• M5: 6,102,097 km (0.058 R)
• M6: 7,099,017 km (0.046 R)
• M7: 10,248,801 km (0.08 R)
• M8: 11,130,231 km (0.058 R)
• M9: 13,679,229 km (0.087 R)
• M10: 15,545,014 km (0.116 R)
• M11: 17,109,359 km (0.103 R)
• M12: 18,961,231 km (0.119 R)
• M13: 19,397,309 km (0.067 R)
• M14: 22,779,417 km (0.109 R)
• M15: 24,134,325 km (0.112 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 495

Radius: 13.6

Gravity: 2.68 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 3.77 AU - 4.25 AU

Year: 5185 Days

Day: 9.4 Hours

Environment

Temp: -205 °C

Axial Tilt: 18.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 27,760,431 km

• M1: 169,195 km (0.057 R)
• M2: 700,268 km (0.098 R)
• M3: 1,499,868 km (0.104 R)
• M4: 3,515,550 km (0.105 R)
• M5: 4,394,138 km (0.084 R)
• M6: 5,524,799 km (0.099 R)
• M7: 8,504,789 km (0.044 R)
• M8: 9,154,492 km (0.059 R)
• M9: 10,596,765 km (0.064 R)
• M10: 11,809,256 km (0.103 R)
• M11: 12,716,417 km (0.114 R)
• M12: 13,212,334 km (0.116 R)
• M13: 14,085,088 km (0.106 R)
• M14: 16,059,780 km (0.095 R)
• M15: 16,522,636 km (0.087 R)
• M16: 17,902,976 km (0.1 R)
• M17: 20,961,205 km (0.087 R)
• M18: 23,379,754 km (0.037 R)
• M19: 25,821,191 km (0.11 R)
• M20: 26,779,066 km (0.115 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 437 - 11,127 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit