🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.09

Radius: 1.57

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 0.44 AU - 0.62 AU

Year: 148 Days

Day: 31.5 Hours

Environment

Temp: 185 °C

Axial Tilt: 10.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 103,658,486 km

• M1: 82,279 km (0.073 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.24

Radius: 0.57

Gravity: 0.74 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 0.45 AU - 0.69 AU

Year: 165 Days

Day: 31.6 Hours

Environment

Temp: 151 °C

Axial Tilt: 20.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.18

Radius: 0.5

Gravity: 0.72 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 0.58 AU - 0.66 AU

Year: 187 Days

Day: 47.5 Hours

Environment

Temp: 103 °C

Axial Tilt: 15.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 0.92 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.69

Radius: 1.23

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 0.82 AU - 1.02 AU

Year: 338 Days

Day: 42.3 Hours

Environment

Temp: 28 °C

Axial Tilt: 43.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 5 - Terrestrial

Semi-Major Axis: 1.77 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.26

Radius: 1.1

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 1.63 AU - 1.91 AU

Year: 902 Days

Day: 25.2 Hours

Environment

Temp: -79 °C

Axial Tilt: 36.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 1.87 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.62

Radius: 1.67

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 1.73 AU - 2.01 AU

Year: 979 Days

Day: 29.3 Hours

Environment

Temp: -78 °C

Axial Tilt: 12.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 1.89 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.28

Radius: 1.79

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 1.82 AU - 1.96 AU

Year: 995 Days

Day: 45.1 Hours

Environment

Temp: -67 °C

Axial Tilt: 19.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 103,658,486 km

• M1: 62,532 km (0.108 R)

Asteroid Belt

Center: 9.57 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Ice Giant

Semi-Major Axis: 17.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 872.4

Radius: 5

Gravity: 34.9 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 16.53 AU - 17.97 AU

Year: 27432 Days

Day: 19.2 Hours

Environment

Temp: -195 °C

Axial Tilt: 13.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 103,658,486 km

• M1: 62,981 km (0.09 R)
• M2: 312,510 km (0.103 R)
• M3: 749,186 km (0.06 R)
• M4: 1,268,141 km (0.088 R)
• M5: 1,671,158 km (0.082 R)
• M6: 4,500,054 km (0.113 R)
• M7: 6,285,654 km (0.08 R)
• M8: 8,380,024 km (0.064 R)
• M9: 10,559,216 km (0.113 R)
• M10: 12,934,531 km (0.08 R)
• M11: 16,991,326 km (0.112 R)
• M12: 20,433,274 km (0.11 R)
• M13: 33,199,059 km (0.12 R)
• M14: 40,299,871 km (0.047 R)
• M15: 45,795,349 km (0.116 R)
• M16: 49,472,016 km (0.081 R)
• M17: 50,803,886 km (0.08 R)
• M18: 52,944,930 km (0.102 R)
• M19: 59,727,399 km (0.103 R)
• M20: 75,233,218 km (0.104 R)
• M21: 93,216,528 km (0.095 R)
• M22: 98,493,742 km (0.111 R)
• M23: 99,092,134 km (0.092 R)

Planet 9 - Ice Giant

Semi-Major Axis: 17.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 862.4

Radius: 5.9

Gravity: 24.77 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 13.38 AU - 21.88 AU

Year: 28343 Days

Day: 15.9 Hours

Environment

Temp: -198 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 103,658,486 km

• M1: 73,303 km (0.117 R)
• M2: 261,497 km (0.079 R)
• M3: 609,761 km (0.098 R)
• M4: 853,306 km (0.119 R)
• M5: 1,634,357 km (0.052 R)
• M6: 2,045,003 km (0.096 R)
• M7: 2,814,534 km (0.091 R)
• M8: 3,219,346 km (0.113 R)
• M9: 3,435,964 km (0.113 R)
• M10: 4,217,014 km (0.1 R)
• M11: 5,362,934 km (0.09 R)
• M12: 10,827,894 km (0.117 R)
• M13: 14,722,525 km (0.115 R)
• M14: 15,062,411 km (0.111 R)
• M15: 15,407,683 km (0.1 R)
• M16: 16,113,935 km (0.077 R)
• M17: 18,460,228 km (0.098 R)
• M18: 19,765,918 km (0.109 R)
• M19: 21,673,740 km (0.064 R)
• M20: 23,011,743 km (0.07 R)
• M21: 25,120,774 km (0.119 R)
• M22: 26,721,620 km (0.101 R)
• M23: 29,181,907 km (0.095 R)
• M24: 32,357,271 km (0.105 R)
• M25: 38,575,457 km (0.11 R)
• M26: 39,547,394 km (0.076 R)
• M27: 40,868,642 km (0.11 R)
• M28: 52,120,796 km (0.077 R)
• M29: 52,317,367 km (0.112 R)
• M30: 56,148,419 km (0.063 R)
• M31: 56,769,998 km (0.083 R)
• M32: 58,662,112 km (0.072 R)
• M33: 59,516,316 km (0.114 R)
• M34: 61,908,236 km (0.068 R)
• M35: 67,115,140 km (0.108 R)
• M36: 69,467,267 km (0.084 R)
• M37: 71,388,104 km (0.09 R)
• M38: 72,851,769 km (0.051 R)
• M39: 73,591,082 km (0.114 R)
• M40: 73,838,667 km (0.11 R)
• M41: 89,165,417 km (0.101 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 423 - 19,664 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit