🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.67

Radius: 1.23

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 0.41 AU - 0.67 AU

Year: 147 Days

Day: 16.2 Hours

Environment

Temp: 185 °C

Axial Tilt: 11.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.99

Radius: 1.9

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 0.62 AU - 0.72 AU

Year: 203 Days

Day: 19.2 Hours

Environment

Temp: 108 °C

Axial Tilt: 165.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.01 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.45

Radius: 1.16

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 0.88 AU - 1.14 AU

Year: 376 Days

Day: 32.4 Hours

Environment

Temp: 19 °C

Axial Tilt: 19.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 84,377,154 km

• M1: 65,524 km (0.089 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.91 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.15

Radius: 1.06

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 1.85 AU - 1.97 AU

Year: 979 Days

Day: 39 Hours

Environment

Temp: -67 °C

Axial Tilt: 32.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 84,377,154 km

• M1: 26,329 km (0.053 R)

Asteroid Belt

Center: 5.8 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 9.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 341.9

Radius: 8.6

Gravity: 4.62 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 9.45 AU - 9.93 AU

Year: 11186 Days

Day: 12.4 Hours

Environment

Temp: -177 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 84,377,154 km

• M1: 106,962 km (0.095 R)
• M2: 480,060 km (0.109 R)
• M3: 768,783 km (0.103 R)
• M4: 1,210,396 km (0.062 R)
• M5: 1,859,053 km (0.026 R)
• M6: 2,279,273 km (0.086 R)
• M7: 2,801,669 km (0.055 R)
• M8: 3,356,079 km (0.07 R)
• M9: 4,033,009 km (0.044 R)
• M10: 6,190,958 km (0.073 R)
• M11: 6,613,572 km (0.059 R)
• M12: 7,477,650 km (0.034 R)
• M13: 7,795,096 km (0.086 R)
• M14: 10,620,102 km (0.05 R)
• M15: 11,175,111 km (0.052 R)
• M16: 12,016,748 km (0.072 R)
• M17: 15,487,568 km (0.081 R)
• M18: 17,004,790 km (0.103 R)
• M19: 20,331,996 km (0.071 R)
• M20: 23,053,780 km (0.105 R)
• M21: 26,647,869 km (0.06 R)
• M22: 27,955,952 km (0.088 R)
• M23: 30,397,539 km (0.087 R)
• M24: 32,032,644 km (0.064 R)
• M25: 36,375,620 km (0.118 R)
• M26: 36,944,690 km (0.099 R)
• M27: 38,334,604 km (0.084 R)
• M28: 39,519,270 km (0.1 R)
• M29: 39,999,927 km (0.071 R)

Planet 6 - Ice Giant

Semi-Major Axis: 15.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 916.5

Radius: 4.5

Gravity: 45.26 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 14.88 AU - 16.16 AU

Year: 22675 Days

Day: 20.6 Hours

Environment

Temp: -184 °C

Axial Tilt: 48.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 84,377,154 km

• M1: 56,099 km (0.091 R)
• M2: 209,437 km (0.12 R)
• M3: 363,373 km (0.083 R)
• M4: 710,889 km (0.092 R)
• M5: 852,409 km (0.066 R)
• M6: 1,066,334 km (0.097 R)
• M7: 1,208,452 km (0.073 R)
• M8: 1,531,284 km (0.085 R)
• M9: 1,809,685 km (0.119 R)
• M10: 2,371,126 km (0.111 R)
• M11: 2,876,468 km (0.114 R)
• M12: 3,041,325 km (0.099 R)
• M13: 3,862,467 km (0.115 R)
• M14: 4,449,789 km (0.109 R)
• M15: 6,614,769 km (0.115 R)
• M16: 6,805,806 km (0.117 R)
• M17: 9,394,447 km (0.106 R)
• M18: 9,819,903 km (0.091 R)
• M19: 10,068,535 km (0.052 R)
• M20: 12,940,066 km (0.085 R)
• M21: 13,773,476 km (0.071 R)
• M22: 14,085,238 km (0.095 R)
• M23: 16,487,780 km (0.087 R)
• M24: 20,431,479 km (0.088 R)
• M25: 21,351,356 km (0.093 R)
• M26: 26,010,881 km (0.053 R)
• M27: 27,579,863 km (0.091 R)
• M28: 28,199,797 km (0.071 R)
• M29: 29,725,247 km (0.099 R)
• M30: 31,708,465 km (0.116 R)
• M31: 33,637,380 km (0.106 R)
• M32: 39,420,685 km (0.109 R)
• M33: 39,891,170 km (0.096 R)
• M34: 43,623,487 km (0.046 R)
• M35: 48,115,163 km (0.076 R)
• M36: 51,585,834 km (0.05 R)
• M37: 64,282,205 km (0.083 R)
• M38: 66,915,277 km (0.064 R)
• M39: 75,484,991 km (0.102 R)
• M40: 81,417,893 km (0.08 R)

Planet 7 - Ice Giant

Semi-Major Axis: 17.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 472.9

Radius: 6.4

Gravity: 11.55 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 17.86 AU - 17.96 AU

Year: 28109 Days

Day: 23.7 Hours

Environment

Temp: -200 °C

Axial Tilt: 3.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 84,377,154 km

• M1: 79,586 km (0.097 R)
• M2: 393,442 km (0.119 R)
• M3: 795,262 km (0.085 R)
• M4: 1,396,795 km (0.074 R)
• M5: 1,738,776 km (0.1 R)
• M6: 2,156,902 km (0.114 R)
• M7: 2,739,586 km (0.105 R)
• M8: 5,394,050 km (0.108 R)
• M9: 5,847,033 km (0.093 R)
• M10: 6,735,195 km (0.089 R)
• M11: 8,392,291 km (0.062 R)
• M12: 8,887,609 km (0.115 R)
• M13: 9,816,014 km (0.092 R)
• M14: 10,428,318 km (0.118 R)
• M15: 13,279,803 km (0.04 R)
• M16: 20,170,131 km (0.109 R)
• M17: 24,758,148 km (0.104 R)
• M18: 25,319,888 km (0.113 R)
• M19: 27,055,972 km (0.106 R)
• M20: 36,792,848 km (0.057 R)
• M21: 51,121,332 km (0.066 R)
• M22: 62,769,771 km (0.097 R)
• M23: 76,777,966 km (0.094 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 350 - 16,649 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit