🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.87

Radius: 1.88

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 0.52 AU - 0.66 AU

Year: 171 Days

Day: 12.7 Hours

Environment

Temp: 201 °C

Axial Tilt: 27.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.9 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.43

Radius: 0.71

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 0.68 AU - 1.12 AU

Year: 322 Days

Day: 26.8 Hours

Environment

Temp: 44 °C

Axial Tilt: 23.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 46,938,820 km

• M1: 43,982 km (0.086 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.96 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.6

Radius: 1.67

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 0.94 AU - 0.98 AU

Year: 354 Days

Day: 27.9 Hours

Environment

Temp: 12 °C

Axial Tilt: 156 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.54

Radius: 1.83

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 1.53 AU - 1.69 AU

Year: 770 Days

Day: 35.3 Hours

Environment

Temp: -59 °C

Axial Tilt: 24.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.05 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.72

Radius: 1.24

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 1.92 AU - 2.18 AU

Year: 1106 Days

Day: 42.5 Hours

Environment

Temp: -83 °C

Axial Tilt: 1.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 4.11 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.8

Radius: 1.87

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 3.53 AU - 4.69 AU

Year: 3139 Days

Day: 30.1 Hours

Environment

Temp: -126 °C

Axial Tilt: 19.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.85 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 5.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 949.6

Radius: 11.7

Gravity: 6.94 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 5.37 AU - 5.81 AU

Year: 4979 Days

Day: 7.6 Hours

Environment

Temp: -148 °C

Axial Tilt: 29.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 46,938,820 km

• M1: 146,606 km (0.091 R)
• M2: 601,832 km (0.079 R)
• M3: 1,094,009 km (0.114 R)
• M4: 1,615,956 km (0.077 R)
• M5: 2,128,479 km (0.095 R)
• M6: 2,569,493 km (0.104 R)
• M7: 3,253,006 km (0.106 R)
• M8: 3,638,370 km (0.119 R)
• M9: 4,450,836 km (0.119 R)
• M10: 5,891,314 km (0.107 R)
• M11: 6,533,986 km (0.089 R)
• M12: 7,187,131 km (0.112 R)
• M13: 8,151,289 km (0.119 R)
• M14: 9,368,417 km (0.061 R)
• M15: 10,290,090 km (0.108 R)
• M16: 10,703,129 km (0.098 R)
• M17: 12,160,811 km (0.119 R)
• M18: 13,043,438 km (0.098 R)
• M19: 13,473,383 km (0.107 R)
• M20: 14,646,978 km (0.107 R)
• M21: 16,502,590 km (0.105 R)
• M22: 17,197,173 km (0.074 R)
• M23: 18,375,705 km (0.108 R)
• M24: 20,386,749 km (0.084 R)
• M25: 22,387,321 km (0.037 R)
• M26: 22,848,980 km (0.094 R)
• M27: 23,395,761 km (0.091 R)
• M28: 28,897,521 km (0.106 R)
• M29: 32,778,838 km (0.118 R)

Planet 8 - Gas Giant

Semi-Major Axis: 9.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 303.9

Radius: 8.6

Gravity: 4.11 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 7.37 AU - 12.28 AU

Year: 11593 Days

Day: 8.2 Hours

Environment

Temp: -186 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 46,938,820 km

• M1: 114,442 km (0.109 R)
• M2: 391,797 km (0.071 R)
• M3: 663,167 km (0.115 R)
• M4: 2,605,546 km (0.112 R)
• M5: 3,306,113 km (0.105 R)
• M6: 3,581,373 km (0.098 R)
• M7: 4,126,508 km (0.077 R)
• M8: 5,667,216 km (0.108 R)
• M9: 7,998,250 km (0.106 R)
• M10: 9,284,941 km (0.101 R)
• M11: 11,055,283 km (0.055 R)
• M12: 11,517,839 km (0.038 R)
• M13: 12,926,902 km (0.108 R)
• M14: 14,266,102 km (0.12 R)
• M15: 14,630,223 km (0.098 R)
• M16: 15,824,164 km (0.07 R)
• M17: 17,492,479 km (0.08 R)
• M18: 18,404,876 km (0.077 R)
• M19: 19,870,038 km (0.04 R)
• M20: 21,649,205 km (0.086 R)
• M21: 25,878,786 km (0.058 R)
• M22: 26,148,810 km (0.08 R)
• M23: 26,694,394 km (0.098 R)
• M24: 31,438,890 km (0.113 R)
• M25: 36,265,067 km (0.1 R)

Planet 9 - Ice Giant

Semi-Major Axis: 12.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 252.7

Radius: 3.4

Gravity: 21.86 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 10.51 AU - 13.79 AU

Year: 15955 Days

Day: 23.8 Hours

Environment

Temp: -190 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 46,938,820 km

• M1: 81,232 km (0.106 R)
• M2: 482,752 km (0.098 R)
• M3: 731,982 km (0.109 R)
• M4: 2,052,932 km (0.06 R)
• M5: 2,456,397 km (0.101 R)
• M6: 3,642,259 km (0.081 R)
• M7: 5,695,789 km (0.083 R)
• M8: 6,867,141 km (0.1 R)
• M9: 7,426,786 km (0.055 R)
• M10: 11,880,614 km (0.112 R)
• M11: 12,685,002 km (0.093 R)
• M12: 15,181,790 km (0.119 R)
• M13: 15,990,367 km (0.075 R)
• M14: 21,787,434 km (0.083 R)
• M15: 29,975,225 km (0.077 R)
• M16: 34,343,931 km (0.109 R)
• M17: 34,458,224 km (0.111 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 306 - 12,429 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit