🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.71 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.59

Radius: 1.84

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 0.69 AU - 0.73 AU

Year: 222 Days

Day: 29.4 Hours

Environment

Temp: 147 °C

Axial Tilt: 24.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.29 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.55

Radius: 0.79

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 1.12 AU - 1.46 AU

Year: 543 Days

Day: 12.4 Hours

Environment

Temp: -19 °C

Axial Tilt: 39.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.9 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.1

Radius: 1.76

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 1.72 AU - 2.08 AU

Year: 971 Days

Day: 17.5 Hours

Environment

Temp: -58 °C

Axial Tilt: 24.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.05 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.02

Radius: 1.01

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 1.64 AU - 2.46 AU

Year: 1089 Days

Day: 38.4 Hours

Environment

Temp: -65 °C

Axial Tilt: 35.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.16 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.28

Radius: 1.1

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 1.89 AU - 2.43 AU

Year: 1177 Days

Day: 43.4 Hours

Environment

Temp: -73 °C

Axial Tilt: 129.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 3.14 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.81

Radius: 1.27

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 2.41 AU - 3.87 AU

Year: 2063 Days

Day: 27.7 Hours

Environment

Temp: -117 °C

Axial Tilt: 175 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.2 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 7.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 932.4

Radius: 14.2

Gravity: 4.62 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 6.83 AU - 7.67 AU

Year: 7240 Days

Day: 13.8 Hours

Environment

Temp: -157 °C

Axial Tilt: 11.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 65,611,818 km

• M1: 176,675 km (0.101 R)
• M2: 730,187 km (0.114 R)
• M3: 1,238,521 km (0.094 R)
• M4: 1,853,069 km (0.06 R)
• M5: 2,407,927 km (0.118 R)
• M6: 3,137,815 km (0.078 R)
• M7: 3,809,959 km (0.073 R)
• M8: 4,409,996 km (0.106 R)
• M9: 4,923,266 km (0.095 R)
• M10: 5,540,357 km (0.039 R)
• M11: 6,454,999 km (0.106 R)
• M12: 8,628,506 km (0.095 R)
• M13: 9,206,702 km (0.111 R)
• M14: 10,244,013 km (0.087 R)
• M15: 10,740,678 km (0.079 R)
• M16: 12,107,853 km (0.082 R)
• M17: 15,378,212 km (0.069 R)
• M18: 17,460,615 km (0.04 R)
• M19: 18,387,673 km (0.032 R)
• M20: 19,801,223 km (0.092 R)
• M21: 24,301,576 km (0.096 R)
• M22: 25,911,398 km (0.068 R)
• M23: 26,835,913 km (0.116 R)
• M24: 28,263,825 km (0.118 R)
• M25: 29,342,725 km (0.104 R)
• M26: 33,066,216 km (0.094 R)
• M27: 35,153,256 km (0.097 R)
• M28: 37,443,599 km (0.115 R)
• M29: 39,588,533 km (0.081 R)
• M30: 40,691,219 km (0.108 R)

Planet 8 - Gas Giant

Semi-Major Axis: 10.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 875.6

Radius: 13

Gravity: 5.18 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 7.86 AU - 12.18 AU

Year: 11763 Days

Day: 14.4 Hours

Environment

Temp: -179 °C

Axial Tilt: 1.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 65,611,818 km

• M1: 161,715 km (0.088 R)
• M2: 689,347 km (0.076 R)
• M3: 1,201,271 km (0.107 R)
• M4: 1,883,736 km (0.041 R)
• M5: 2,453,704 km (0.066 R)
• M6: 3,308,507 km (0.077 R)
• M7: 4,630,503 km (0.095 R)
• M8: 5,678,735 km (0.072 R)
• M9: 7,258,040 km (0.116 R)
• M10: 8,057,192 km (0.119 R)
• M11: 8,622,073 km (0.111 R)
• M12: 9,063,088 km (0.062 R)
• M13: 9,778,914 km (0.101 R)
• M14: 10,367,581 km (0.075 R)
• M15: 12,399,420 km (0.109 R)
• M16: 15,243,873 km (0.039 R)
• M17: 18,257,223 km (0.055 R)
• M18: 19,151,071 km (0.084 R)
• M19: 25,038,944 km (0.119 R)
• M20: 25,939,224 km (0.106 R)
• M21: 28,338,175 km (0.041 R)
• M22: 38,489,288 km (0.119 R)
• M23: 42,020,995 km (0.119 R)
• M24: 45,026,865 km (0.107 R)
• M25: 47,411,156 km (0.104 R)
• M26: 47,867,429 km (0.081 R)
• M27: 48,943,487 km (0.114 R)
• M28: 53,081,812 km (0.074 R)
• M29: 56,932,013 km (0.116 R)

Planet 9 - Ice Giant

Semi-Major Axis: 13.2 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 555.4

Radius: 3.1

Gravity: 57.79 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 11.87 AU - 14.53 AU

Year: 17785 Days

Day: 16.5 Hours

Environment

Temp: -186 °C

Axial Tilt: 15.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 65,611,818 km

• M1: 38,596 km (0.068 R)
• M2: 317,297 km (0.082 R)
• M3: 440,416 km (0.106 R)
• M4: 765,792 km (0.112 R)
• M5: 1,125,874 km (0.076 R)
• M6: 1,387,520 km (0.067 R)
• M7: 2,615,868 km (0.104 R)
• M8: 2,874,224 km (0.12 R)
• M9: 2,972,210 km (0.108 R)
• M10: 5,252,082 km (0.091 R)
• M11: 6,803,262 km (0.069 R)
• M12: 8,137,227 km (0.094 R)
• M13: 9,258,612 km (0.097 R)
• M14: 9,581,594 km (0.099 R)
• M15: 10,306,695 km (0.117 R)
• M16: 10,948,320 km (0.072 R)
• M17: 11,248,563 km (0.072 R)
• M18: 11,740,291 km (0.093 R)
• M19: 14,344,491 km (0.099 R)
• M20: 16,357,031 km (0.081 R)
• M21: 37,397,074 km (0.072 R)
• M22: 40,450,965 km (0.1 R)
• M23: 47,682,227 km (0.12 R)
• M24: 48,965,627 km (0.085 R)
• M25: 49,615,779 km (0.119 R)
• M26: 50,601,779 km (0.119 R)
• M27: 53,638,167 km (0.1 R)
• M28: 55,025,837 km (0.087 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: 493 - 16,418 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit