🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.83 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.1

Radius: 1.57

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 0.71 AU - 0.95 AU

Year: 266 Days

Day: 40.7 Hours

Environment

Temp: 115 °C

Axial Tilt: 23.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.27 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.29

Radius: 1.61

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 1.26 AU - 1.28 AU

Year: 503 Days

Day: 25.4 Hours

Environment

Temp: 23 °C

Axial Tilt: 28.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 77,229,463 km

• M1: 50,714 km (0.104 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.2 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.32

Radius: 1.4

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 2.11 AU - 2.29 AU

Year: 1147 Days

Day: 29.8 Hours

Environment

Temp: -54 °C

Axial Tilt: 16.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 3.03 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.01

Radius: 1.55

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 2.95 AU - 3.11 AU

Year: 1854 Days

Day: 44.6 Hours

Environment

Temp: -85 °C

Axial Tilt: 0.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 4.25 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.67

Radius: 1.23

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 3.68 AU - 4.82 AU

Year: 3079 Days

Day: 28 Hours

Environment

Temp: -127 °C

Axial Tilt: 8.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Gas Giant

Semi-Major Axis: 5.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 919.7

Radius: 14

Gravity: 4.69 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 4.46 AU - 7.26 AU

Year: 4986 Days

Day: 14 Hours

Environment

Temp: -149 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 77,229,463 km

• M1: 174,431 km (0.08 R)
• M2: 697,126 km (0.105 R)
• M3: 1,717,234 km (0.084 R)
• M4: 2,196,994 km (0.106 R)
• M5: 3,228,322 km (0.103 R)
• M6: 4,113,044 km (0.107 R)
• M7: 4,771,125 km (0.082 R)
• M8: 5,210,344 km (0.108 R)
• M9: 6,139,497 km (0.111 R)
• M10: 6,694,206 km (0.096 R)
• M11: 7,829,953 km (0.104 R)
• M12: 8,287,722 km (0.118 R)
• M13: 10,300,861 km (0.054 R)
• M14: 10,851,381 km (0.09 R)
• M15: 12,112,042 km (0.104 R)
• M16: 17,881,583 km (0.105 R)
• M17: 18,949,113 km (0.095 R)
• M18: 20,058,681 km (0.106 R)
• M19: 24,204,935 km (0.078 R)
• M20: 30,829,129 km (0.051 R)

Planet 7 - Gas Giant

Semi-Major Axis: 9.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 717.7

Radius: 14.8

Gravity: 3.28 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 7.23 AU - 10.81 AU

Year: 9521 Days

Day: 9 Hours

Environment

Temp: -171 °C

Axial Tilt: 155.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 77,229,463 km

• M1: 184,753 km (0.095 R)
• M2: 1,047,634 km (0.062 R)
• M3: 2,061,459 km (0.101 R)
• M4: 3,076,480 km (0.034 R)
• M5: 3,889,545 km (0.09 R)
• M6: 5,505,351 km (0.073 R)
• M7: 6,594,723 km (0.118 R)
• M8: 8,784,537 km (0.1 R)
• M9: 10,577,168 km (0.108 R)
• M10: 12,602,873 km (0.089 R)
• M11: 13,312,415 km (0.11 R)
• M12: 14,490,199 km (0.064 R)
• M13: 17,995,277 km (0.082 R)
• M14: 19,048,596 km (0.096 R)
• M15: 22,541,856 km (0.059 R)
• M16: 23,677,005 km (0.09 R)

Planet 8 - Gas Giant

Semi-Major Axis: 10.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 315.1

Radius: 13.8

Gravity: 1.65 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 8.48 AU - 11.62 AU

Year: 11198 Days

Day: 12.5 Hours

Environment

Temp: -179 °C

Axial Tilt: 19.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 77,229,463 km

• M1: 173,234 km (0.059 R)
• M2: 693,835 km (0.076 R)
• M3: 1,244,355 km (0.064 R)
• M4: 2,283,462 km (0.094 R)
• M5: 2,791,197 km (0.096 R)
• M6: 5,349,171 km (0.097 R)
• M7: 6,221,177 km (0.104 R)
• M8: 8,166,099 km (0.069 R)
• M9: 9,594,160 km (0.086 R)
• M10: 11,132,475 km (0.089 R)
• M11: 15,124,046 km (0.111 R)
• M12: 17,066,424 km (0.117 R)
• M13: 18,379,594 km (0.084 R)
• M14: 20,284,424 km (0.107 R)
• M15: 34,126,117 km (0.082 R)
• M16: 35,320,656 km (0.059 R)
• M17: 36,206,724 km (0.12 R)
• M18: 39,780,767 km (0.06 R)

Planet 9 - Ice Giant

Semi-Major Axis: 16.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 498.9

Radius: 8

Gravity: 7.8 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 13.99 AU - 19.39 AU

Year: 23964 Days

Day: 23.8 Hours

Environment

Temp: -188 °C

Axial Tilt: 19.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 77,229,463 km

• M1: 101,128 km (0.076 R)
• M2: 370,404 km (0.104 R)
• M3: 773,720 km (0.045 R)
• M4: 1,037,910 km (0.06 R)
• M5: 1,829,133 km (0.07 R)
• M6: 4,998,813 km (0.077 R)
• M7: 6,669,671 km (0.088 R)
• M8: 7,269,409 km (0.091 R)
• M9: 9,740,766 km (0.092 R)
• M10: 10,151,412 km (0.078 R)
• M11: 13,356,547 km (0.102 R)
• M12: 14,010,888 km (0.092 R)
• M13: 23,090,282 km (0.061 R)
• M14: 26,216,428 km (0.111 R)
• M15: 40,485,223 km (0.049 R)
• M16: 44,842,111 km (0.112 R)
• M17: 56,891,322 km (0.12 R)
• M18: 63,754,424 km (0.111 R)
• M19: 66,857,233 km (0.101 R)
• M20: 69,626,589 km (0.119 R)

Kuiper Belt

Range: 31.2 - 48.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 520 - 17,008 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit