🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.14

Radius: 0.46

Gravity: 0.66 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 1.3 AU - 1.48 AU

Year: 624 Days

Day: 39.7 Hours

Environment

Temp: -39 °C

Axial Tilt: 67.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 38,649,901 km

• M1: 24,833 km (0.076 R)
• M2: 45,927 km (0.084 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.03

Radius: 1.01

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 1.29 AU - 1.77 AU

Year: 721 Days

Day: 16.5 Hours

Environment

Temp: -49 °C

Axial Tilt: 14.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 38,649,901 km

• M1: 23,636 km (0.065 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.13 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.5

Radius: 0.76

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 1.83 AU - 2.43 AU

Year: 1184 Days

Day: 23.4 Hours

Environment

Temp: -80 °C

Axial Tilt: 39.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 38,649,901 km

• M1: 337,942 km (0.12 R)
• M2: 504,893 km (0.118 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.59 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.37

Radius: 1.13

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 2.04 AU - 3.14 AU

Year: 1587 Days

Day: 33.2 Hours

Environment

Temp: -107 °C

Axial Tilt: 5.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.1

Radius: 0.4

Gravity: 0.63 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 3.51 AU - 3.79 AU

Year: 2655 Days

Day: 20.1 Hours

Environment

Temp: -129 °C

Axial Tilt: 4.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 38,649,901 km

• M1: 10,472 km (0.095 R)

Asteroid Belt

Center: 3.92 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 4.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 560.7

Radius: 11

Gravity: 4.63 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 3.93 AU - 4.43 AU

Year: 3254 Days

Day: 10.2 Hours

Environment

Temp: -141 °C

Axial Tilt: 27.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 38,649,901 km

• M1: 137,630 km (0.064 R)
• M2: 511,475 km (0.094 R)
• M3: 929,152 km (0.115 R)
• M4: 1,320,949 km (0.099 R)
• M5: 1,754,783 km (0.046 R)
• M6: 2,819,172 km (0.086 R)
• M7: 3,346,205 km (0.11 R)
• M8: 4,735,072 km (0.106 R)
• M9: 6,475,942 km (0.103 R)
• M10: 7,553,795 km (0.113 R)
• M11: 8,505,836 km (0.098 R)
• M12: 8,993,226 km (0.054 R)
• M13: 13,218,318 km (0.091 R)
• M14: 14,160,186 km (0.082 R)
• M15: 14,696,944 km (0.106 R)
• M16: 17,254,918 km (0.111 R)
• M17: 19,492,603 km (0.057 R)
• M18: 20,157,116 km (0.073 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 637.2

Radius: 10.5

Gravity: 5.78 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 3.67 AU - 4.93 AU

Year: 3395 Days

Day: 13.8 Hours

Environment

Temp: -148 °C

Axial Tilt: 11.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 38,649,901 km

• M1: 130,898 km (0.088 R)
• M2: 601,533 km (0.068 R)
• M3: 981,811 km (0.102 R)
• M4: 1,343,838 km (0.105 R)
• M5: 2,007,304 km (0.068 R)
• M6: 2,634,718 km (0.116 R)
• M7: 3,046,710 km (0.095 R)
• M8: 4,390,398 km (0.119 R)
• M9: 4,876,143 km (0.096 R)
• M10: 5,500,863 km (0.041 R)
• M11: 8,372,394 km (0.108 R)
• M12: 9,157,933 km (0.069 R)
• M13: 12,030,661 km (0.067 R)
• M14: 12,478,557 km (0.111 R)
• M15: 12,891,148 km (0.093 R)
• M16: 13,360,287 km (0.064 R)
• M17: 14,532,685 km (0.052 R)
• M18: 14,989,557 km (0.055 R)
• M19: 15,666,487 km (0.103 R)
• M20: 16,582,176 km (0.118 R)
• M21: 16,969,485 km (0.034 R)
• M22: 17,819,799 km (0.102 R)
• M23: 20,288,912 km (0.085 R)

Planet 8 - Gas Giant

Semi-Major Axis: 6.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 750.6

Radius: 8.9

Gravity: 9.48 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 6.7 AU - 7.12 AU

Year: 6917 Days

Day: 9.8 Hours

Environment

Temp: -162 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 38,649,901 km

• M1: 110,702 km (0.079 R)
• M2: 396,434 km (0.053 R)
• M3: 742,155 km (0.101 R)
• M4: 1,100,143 km (0.093 R)
• M5: 1,445,863 km (0.093 R)
• M6: 1,763,011 km (0.104 R)
• M7: 2,208,813 km (0.03 R)
• M8: 2,522,071 km (0.092 R)
• M9: 3,132,280 km (0.082 R)
• M10: 3,575,988 km (0.101 R)
• M11: 5,074,061 km (0.045 R)
• M12: 6,111,971 km (0.077 R)
• M13: 7,135,818 km (0.036 R)
• M14: 8,476,814 km (0.067 R)
• M15: 9,519,661 km (0.114 R)
• M16: 10,841,806 km (0.12 R)
• M17: 12,175,322 km (0.119 R)
• M18: 13,904,224 km (0.066 R)
• M19: 16,434,523 km (0.098 R)
• M20: 20,365,207 km (0.092 R)
• M21: 21,282,391 km (0.119 R)
• M22: 22,067,332 km (0.101 R)
• M23: 28,018,933 km (0.037 R)
• M24: 28,582,020 km (0.065 R)
• M25: 31,109,924 km (0.114 R)
• M26: 31,410,915 km (0.097 R)
• M27: 32,945,041 km (0.092 R)
• M28: 33,889,004 km (0.108 R)
• M29: 34,635,647 km (0.107 R)
• M30: 38,189,344 km (0.116 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 540 - 19,169 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit