🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.64

Radius: 0.84

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 0.42 AU - 0.6 AU

Year: 134 Days

Day: 25.6 Hours

Environment

Temp: 216 °C

Axial Tilt: 15.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 91,967,893 km

• M1: 26,180 km (0.089 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.74 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.29

Radius: 1.11

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 0.59 AU - 0.89 AU

Year: 235 Days

Day: 40.3 Hours

Environment

Temp: 127 °C

Axial Tilt: 19.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.76 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.84

Radius: 1.52

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 0.73 AU - 0.79 AU

Year: 244 Days

Day: 14.8 Hours

Environment

Temp: 118 °C

Axial Tilt: 1.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 91,967,893 km

• M1: 616,044 km (0.116 R)

Planet 4 - Terrestrial

Semi-Major Axis: 0.97 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.65

Radius: 1.85

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 0.95 AU - 0.99 AU

Year: 352 Days

Day: 14.6 Hours

Environment

Temp: 20 °C

Axial Tilt: 20.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 5 - Terrestrial

Semi-Major Axis: 1.79 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.03

Radius: 1.01

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 1.7 AU - 1.88 AU

Year: 884 Days

Day: 13.3 Hours

Environment

Temp: -58 °C

Axial Tilt: 4.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.21 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 8.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 272.8

Radius: 9.5

Gravity: 3.02 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 6.84 AU - 10.4 AU

Year: 9338 Days

Day: 8.3 Hours

Environment

Temp: -175 °C

Axial Tilt: 23.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 91,967,893 km

• M1: 166,652 km (0.083 R)
• M2: 1,024,596 km (0.111 R)
• M3: 1,582,446 km (0.116 R)
• M4: 2,079,111 km (0.056 R)
• M5: 5,433,993 km (0.116 R)
• M6: 6,205,619 km (0.111 R)
• M7: 7,297,534 km (0.115 R)
• M8: 7,626,649 km (0.113 R)
• M9: 9,726,255 km (0.105 R)
• M10: 12,753,817 km (0.1 R)
• M11: 17,436,529 km (0.114 R)
• M12: 20,446,139 km (0.041 R)
• M13: 26,175,588 km (0.098 R)
• M14: 27,035,477 km (0.073 R)
• M15: 32,891,336 km (0.108 R)

Planet 7 - Gas Giant

Semi-Major Axis: 9.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 839

Radius: 11.3

Gravity: 6.57 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 7.81 AU - 10.21 AU

Year: 9978 Days

Day: 8.7 Hours

Environment

Temp: -176 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 91,967,893 km

• M1: 142,417 km (0.088 R)
• M2: 613,501 km (0.082 R)
• M3: 1,007,392 km (0.085 R)
• M4: 1,752,090 km (0.103 R)
• M5: 2,386,984 km (0.073 R)
• M6: 2,855,375 km (0.081 R)
• M7: 3,288,012 km (0.092 R)
• M8: 5,014,969 km (0.083 R)
• M9: 5,409,160 km (0.074 R)
• M10: 6,003,063 km (0.101 R)
• M11: 6,410,119 km (0.083 R)
• M12: 7,197,902 km (0.082 R)
• M13: 8,362,371 km (0.073 R)
• M14: 13,279,055 km (0.094 R)
• M15: 14,295,722 km (0.077 R)
• M16: 14,890,074 km (0.086 R)
• M17: 18,188,708 km (0.114 R)
• M18: 19,845,055 km (0.043 R)
• M19: 22,648,070 km (0.065 R)
• M20: 23,821,367 km (0.049 R)
• M21: 31,173,503 km (0.107 R)
• M22: 33,655,033 km (0.111 R)
• M23: 35,181,679 km (0.076 R)
• M24: 36,754,102 km (0.098 R)
• M25: 37,619,975 km (0.083 R)
• M26: 38,626,021 km (0.054 R)
• M27: 44,204,525 km (0.118 R)
• M28: 47,040,452 km (0.071 R)

Planet 8 - Ice Giant

Semi-Major Axis: 19.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 478.6

Radius: 4.2

Gravity: 27.13 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 18.14 AU - 20.88 AU

Year: 31795 Days

Day: 22.7 Hours

Environment

Temp: -199 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 91,967,893 km

• M1: 55,800 km (0.067 R)
• M2: 199,414 km (0.042 R)
• M3: 487,988 km (0.054 R)
• M4: 798,703 km (0.097 R)
• M5: 1,057,956 km (0.066 R)
• M6: 1,371,064 km (0.049 R)
• M7: 1,821,504 km (0.077 R)
• M8: 2,364,245 km (0.083 R)
• M9: 3,092,487 km (0.118 R)
• M10: 3,696,863 km (0.101 R)
• M11: 4,595,647 km (0.044 R)
• M12: 5,504,603 km (0.097 R)
• M13: 6,294,929 km (0.081 R)
• M14: 9,057,403 km (0.103 R)
• M15: 9,293,917 km (0.057 R)
• M16: 9,595,207 km (0.069 R)
• M17: 11,541,625 km (0.113 R)
• M18: 19,413,764 km (0.103 R)
• M19: 19,806,908 km (0.104 R)
• M20: 20,406,496 km (0.111 R)
• M21: 24,034,544 km (0.083 R)
• M22: 24,831,451 km (0.068 R)
• M23: 25,645,713 km (0.115 R)
• M24: 26,597,903 km (0.069 R)
• M25: 27,945,331 km (0.057 R)
• M26: 32,811,002 km (0.116 R)
• M27: 33,791,017 km (0.106 R)
• M28: 34,934,544 km (0.102 R)
• M29: 35,079,354 km (0.044 R)
• M30: 45,370,192 km (0.118 R)
• M31: 47,822,550 km (0.1 R)
• M32: 56,499,974 km (0.103 R)
• M33: 65,068,641 km (0.054 R)
• M34: 65,287,802 km (0.095 R)
• M35: 66,835,691 km (0.107 R)
• M36: 69,545,806 km (0.095 R)
• M37: 71,625,815 km (0.106 R)
• M38: 81,627,779 km (0.06 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: 537 - 10,869 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit