🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.43

Radius: 1.43

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 0.84 AU - 1.17 AU

Year: 375 Days

Day: 26.9 Hours

Environment

Temp: 4 °C

Axial Tilt: 15.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 89,074,354 km

• M1: 33,510 km (0.092 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.29 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.61

Radius: 0.82

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 1.28 AU - 1.3 AU

Year: 549 Days

Day: 23.7 Hours

Environment

Temp: -19 °C

Axial Tilt: 27 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.38

Radius: 1.63

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 1.21 AU - 1.93 AU

Year: 737 Days

Day: 28.8 Hours

Environment

Temp: -46 °C

Axial Tilt: 37.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 89,074,354 km

• M1: 599,439 km (0.081 R)

Planet 4 - Terrestrial

Semi-Major Axis: 3.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.07

Radius: 1.34

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 2.75 AU - 4.45 AU

Year: 2560 Days

Day: 15.5 Hours

Environment

Temp: -120 °C

Axial Tilt: 7.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.9 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.65

Radius: 1.22

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 3.38 AU - 4.42 AU

Year: 2886 Days

Day: 34.3 Hours

Environment

Temp: -136 °C

Axial Tilt: 36 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 6.67 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 9.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 513.2

Radius: 10.8

Gravity: 4.4 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 8.62 AU - 10.26 AU

Year: 10869 Days

Day: 7.6 Hours

Environment

Temp: -179 °C

Axial Tilt: 12.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 89,074,354 km

• M1: 134,339 km (0.108 R)
• M2: 1,130,810 km (0.106 R)
• M3: 1,768,396 km (0.113 R)
• M4: 4,898,433 km (0.059 R)
• M5: 5,733,638 km (0.088 R)
• M6: 7,279,881 km (0.081 R)
• M7: 8,632,246 km (0.12 R)
• M8: 9,654,598 km (0.094 R)
• M9: 13,997,274 km (0.079 R)
• M10: 19,725,975 km (0.089 R)
• M11: 20,516,899 km (0.088 R)
• M12: 20,920,365 km (0.043 R)
• M13: 22,416,343 km (0.082 R)
• M14: 24,974,766 km (0.096 R)
• M15: 37,642,115 km (0.116 R)
• M16: 41,755,309 km (0.052 R)

Planet 7 - Ice Giant

Semi-Major Axis: 17.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 273.8

Radius: 3.1

Gravity: 28.49 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 14.97 AU - 19.21 AU

Year: 26475 Days

Day: 21.4 Hours

Environment

Temp: -191 °C

Axial Tilt: 47.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 89,074,354 km

• M1: 38,596 km (0.065 R)
• M2: 309,967 km (0.084 R)
• M3: 480,209 km (0.077 R)
• M4: 807,829 km (0.094 R)
• M5: 1,754,783 km (0.094 R)
• M6: 3,295,641 km (0.101 R)
• M7: 3,686,092 km (0.077 R)
• M8: 4,865,521 km (0.098 R)
• M9: 5,830,727 km (0.087 R)
• M10: 6,358,209 km (0.118 R)
• M11: 9,923,126 km (0.089 R)
• M12: 11,521,579 km (0.089 R)
• M13: 12,026,322 km (0.054 R)
• M14: 12,810,664 km (0.103 R)
• M15: 13,768,240 km (0.09 R)
• M16: 14,121,441 km (0.044 R)
• M17: 15,671,275 km (0.077 R)
• M18: 17,659,580 km (0.094 R)
• M19: 22,710,154 km (0.106 R)
• M20: 23,502,125 km (0.091 R)
• M21: 28,076,379 km (0.104 R)
• M22: 32,582,865 km (0.095 R)
• M23: 42,397,832 km (0.048 R)
• M24: 44,663,940 km (0.057 R)
• M25: 51,098,743 km (0.092 R)
• M26: 61,295,334 km (0.081 R)

Planet 8 - Ice Giant

Semi-Major Axis: 18.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 492

Radius: 6.5

Gravity: 11.64 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 14.73 AU - 22.33 AU

Year: 29891 Days

Day: 17.1 Hours

Environment

Temp: -195 °C

Axial Tilt: 22.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 89,074,354 km

• M1: 80,783 km (0.114 R)
• M2: 452,234 km (0.027 R)
• M3: 1,002,755 km (0.12 R)
• M4: 1,206,507 km (0.087 R)
• M5: 1,891,515 km (0.081 R)
• M6: 2,206,718 km (0.093 R)
• M7: 3,863,814 km (0.117 R)
• M8: 7,305,612 km (0.119 R)
• M9: 8,743,098 km (0.096 R)
• M10: 11,271,900 km (0.059 R)
• M11: 11,955,563 km (0.092 R)
• M12: 12,885,014 km (0.111 R)
• M13: 13,405,016 km (0.098 R)
• M14: 13,938,931 km (0.106 R)
• M15: 14,407,771 km (0.09 R)
• M16: 14,646,230 km (0.045 R)
• M17: 15,130,777 km (0.07 R)
• M18: 18,173,000 km (0.094 R)
• M19: 22,652,858 km (0.118 R)
• M20: 23,960,941 km (0.083 R)
• M21: 26,134,150 km (0.067 R)
• M22: 27,450,461 km (0.09 R)
• M23: 28,310,948 km (0.086 R)
• M24: 32,202,587 km (0.111 R)
• M25: 32,746,974 km (0.077 R)
• M26: 39,146,920 km (0.036 R)
• M27: 39,456,139 km (0.059 R)
• M28: 43,130,263 km (0.092 R)
• M29: 45,474,910 km (0.082 R)
• M30: 47,903,033 km (0.104 R)
• M31: 51,891,313 km (0.031 R)
• M32: 55,314,710 km (0.063 R)
• M33: 58,079,129 km (0.107 R)
• M34: 68,703,271 km (0.114 R)
• M35: 71,894,493 km (0.102 R)
• M36: 72,824,243 km (0.09 R)
• M37: 77,592,825 km (0.113 R)
• M38: 83,073,942 km (0.12 R)
• M39: 83,584,669 km (0.045 R)
• M40: 86,955,558 km (0.103 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 231 - 10,844 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit