🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.34

Radius: 1.8

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 0.48 AU - 0.54 AU

Year: 128 Days

Day: 45.3 Hours

Environment

Temp: 249 °C

Axial Tilt: 32 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.86

Radius: 1.88

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 0.57 AU - 0.75 AU

Year: 188 Days

Day: 42 Hours

Environment

Temp: 220 °C

Axial Tilt: 1.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.88 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.93

Radius: 1.54

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 0.7 AU - 1.06 AU

Year: 290 Days

Day: 30.9 Hours

Environment

Temp: 114 °C

Axial Tilt: 11.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 1.02 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.53

Radius: 0.78

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 0.86 AU - 1.18 AU

Year: 362 Days

Day: 46.8 Hours

Environment

Temp: 125 °C

Axial Tilt: 18.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 96,664,702 km

• M1: 413,040 km (0.057 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.02 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.71

Radius: 1.49

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 0.86 AU - 1.18 AU

Year: 362 Days

Day: 35.8 Hours

Environment

Temp: 126 °C

Axial Tilt: 5.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 96,664,702 km

• M1: 89,908 km (0.109 R)

Planet 6 - Terrestrial

Semi-Major Axis: 2.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.47

Radius: 1.44

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 2.42 AU - 2.7 AU

Year: 1440 Days

Day: 35.3 Hours

Environment

Temp: -84 °C

Axial Tilt: 22.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Gas Giant

Semi-Major Axis: 7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 509.4

Radius: 12.9

Gravity: 3.06 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 6.51 AU - 7.49 AU

Year: 6509 Days

Day: 8.3 Hours

Environment

Temp: -145 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 96,664,702 km

• M1: 160,668 km (0.063 R)
• M2: 587,022 km (0.087 R)
• M3: 2,056,223 km (0.099 R)
• M4: 2,582,209 km (0.101 R)
• M5: 4,697,822 km (0.119 R)
• M6: 5,472,440 km (0.045 R)
• M7: 9,032,719 km (0.079 R)
• M8: 14,690,960 km (0.079 R)
• M9: 16,591,750 km (0.041 R)
• M10: 17,730,340 km (0.112 R)
• M11: 19,882,305 km (0.116 R)
• M12: 20,589,155 km (0.027 R)
• M13: 22,353,961 km (0.073 R)
• M14: 24,058,479 km (0.107 R)
• M15: 25,187,345 km (0.052 R)
• M16: 29,055,497 km (0.081 R)

Planet 8 - Gas Giant

Semi-Major Axis: 7.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 995.2

Radius: 14.8

Gravity: 4.54 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 7.58 AU - 7.8 AU

Year: 7495 Days

Day: 10.5 Hours

Environment

Temp: -153 °C

Axial Tilt: 23.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 96,664,702 km

• M1: 185,202 km (0.075 R)
• M2: 959,072 km (0.105 R)
• M3: 1,787,246 km (0.114 R)
• M4: 2,317,869 km (0.068 R)
• M5: 2,789,701 km (0.052 R)
• M6: 3,418,760 km (0.117 R)
• M7: 5,368,320 km (0.104 R)
• M8: 6,938,798 km (0.084 R)
• M9: 8,445,548 km (0.066 R)
• M10: 9,345,977 km (0.093 R)
• M11: 11,660,406 km (0.087 R)
• M12: 12,548,419 km (0.103 R)
• M13: 13,541,001 km (0.062 R)
• M14: 16,150,437 km (0.07 R)
• M15: 17,466,748 km (0.064 R)
• M16: 20,788,868 km (0.069 R)
• M17: 25,507,484 km (0.062 R)
• M18: 26,061,894 km (0.095 R)
• M19: 27,871,130 km (0.036 R)
• M20: 28,360,914 km (0.097 R)
• M21: 29,357,685 km (0.058 R)
• M22: 32,380,459 km (0.107 R)
• M23: 33,690,039 km (0.094 R)
• M24: 34,582,540 km (0.098 R)
• M25: 37,473,219 km (0.109 R)
• M26: 40,646,938 km (0.11 R)

Planet 9 - Ice Giant

Semi-Major Axis: 16.57 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 999.7

Radius: 5.5

Gravity: 33.05 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 13.24 AU - 19.9 AU

Year: 23706 Days

Day: 24.4 Hours

Environment

Temp: -190 °C

Axial Tilt: 11.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 96,664,702 km

• M1: 68,516 km (0.104 R)
• M2: 248,183 km (0.089 R)
• M3: 502,350 km (0.102 R)
• M4: 720,613 km (0.05 R)
• M5: 988,842 km (0.082 R)
• M6: 1,387,071 km (0.062 R)
• M7: 2,211,655 km (0.1 R)
• M8: 3,116,423 km (0.12 R)
• M9: 5,798,413 km (0.115 R)
• M10: 6,066,942 km (0.053 R)
• M11: 7,695,015 km (0.118 R)
• M12: 8,812,212 km (0.1 R)
• M13: 10,684,579 km (0.093 R)
• M14: 11,088,493 km (0.092 R)
• M15: 14,860,155 km (0.093 R)
• M16: 17,769,684 km (0.11 R)
• M17: 18,146,371 km (0.114 R)
• M18: 19,407,182 km (0.076 R)
• M19: 20,518,694 km (0.112 R)
• M20: 20,725,289 km (0.034 R)
• M21: 21,459,216 km (0.04 R)
• M22: 21,778,907 km (0.068 R)
• M23: 22,210,347 km (0.105 R)
• M24: 23,764,819 km (0.077 R)
• M25: 29,644,464 km (0.042 R)
• M26: 31,801,216 km (0.09 R)
• M27: 32,077,823 km (0.031 R)
• M28: 35,081,449 km (0.049 R)
• M29: 37,031,607 km (0.106 R)
• M30: 40,494,797 km (0.049 R)
• M31: 50,084,170 km (0.116 R)
• M32: 60,655,653 km (0.071 R)
• M33: 62,370,344 km (0.1 R)
• M34: 77,515,932 km (0.073 R)
• M35: 80,299,799 km (0.071 R)
• M36: 84,466,847 km (0.12 R)
• M37: 91,821,527 km (0.051 R)
• M38: 96,375,137 km (0.05 R)

Kuiper Belt

Range: 31.2 - 55.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 286 - 12,787 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit