🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.27

Radius: 0.59

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 0.48 AU - 0.62 AU

Year: 145 Days

Day: 28.8 Hours

Environment

Temp: 246 °C

Axial Tilt: 8.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 49,043,069 km

• M1: 13,763 km (0.118 R)
• M2: 130,599 km (0.119 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.44

Radius: 1.43

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 0.58 AU - 0.74 AU

Year: 190 Days

Day: 29.7 Hours

Environment

Temp: 160 °C

Axial Tilt: 135.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Asteroid Belt

Center: 0.92 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Terrestrial

Semi-Major Axis: 1.17 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.26

Radius: 1.39

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 1.13 AU - 1.21 AU

Year: 449 Days

Day: 40.4 Hours

Environment

Temp: 18 °C

Axial Tilt: 0.4 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.31

Radius: 0.63

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 1.41 AU - 2.01 AU

Year: 793 Days

Day: 45.3 Hours

Environment

Temp: -35 °C

Axial Tilt: 33.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.1 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.12

Radius: 1.58

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 2.56 AU - 3.64 AU

Year: 1936 Days

Day: 22.6 Hours

Environment

Temp: -87 °C

Axial Tilt: 49.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 3.36 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.75

Radius: 1.5

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 3.3 AU - 3.42 AU

Year: 2185 Days

Day: 36.4 Hours

Environment

Temp: -111 °C

Axial Tilt: 5.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 49,043,069 km

• M1: 881,580 km (0.113 R)

Planet 7 - Gas Giant

Semi-Major Axis: 6.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 425.3

Radius: 13.4

Gravity: 2.37 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 5.51 AU - 8.09 AU

Year: 6291 Days

Day: 10.4 Hours

Environment

Temp: -157 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 49,043,069 km

• M1: 166,652 km (0.054 R)
• M2: 894,745 km (0.114 R)
• M3: 1,951,205 km (0.038 R)
• M4: 2,442,335 km (0.066 R)
• M5: 3,572,696 km (0.069 R)
• M6: 4,437,522 km (0.078 R)
• M7: 5,270,483 km (0.101 R)
• M8: 6,423,882 km (0.115 R)
• M9: 6,943,136 km (0.092 R)
• M10: 7,919,861 km (0.068 R)
• M11: 9,226,598 km (0.1 R)
• M12: 9,804,794 km (0.116 R)
• M13: 11,079,517 km (0.055 R)
• M14: 15,799,031 km (0.097 R)
• M15: 17,299,199 km (0.118 R)
• M16: 18,307,937 km (0.114 R)
• M17: 19,556,331 km (0.1 R)
• M18: 21,142,667 km (0.084 R)
• M19: 21,786,237 km (0.097 R)
• M20: 22,295,767 km (0.088 R)
• M21: 23,872,230 km (0.068 R)
• M22: 29,134,933 km (0.117 R)

Planet 8 - Gas Giant

Semi-Major Axis: 8.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 144.2

Radius: 14.6

Gravity: 0.68 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 7.54 AU - 9.78 AU

Year: 9041 Days

Day: 14.6 Hours

Environment

Temp: -157 °C

Axial Tilt: 42.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 49,043,069 km

• M1: 181,612 km (0.119 R)
• M2: 696,976 km (0.085 R)
• M3: 1,316,910 km (0.059 R)
• M4: 1,838,408 km (0.092 R)
• M5: 2,421,840 km (0.099 R)
• M6: 3,393,179 km (0.085 R)
• M7: 5,111,161 km (0.079 R)
• M8: 6,221,327 km (0.086 R)
• M9: 7,090,341 km (0.073 R)
• M10: 10,955,052 km (0.081 R)
• M11: 11,943,296 km (0.096 R)
• M12: 16,615,686 km (0.119 R)
• M13: 25,641,225 km (0.102 R)

Planet 9 - Ice Giant

Semi-Major Axis: 15.24 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 164.7

Radius: 7.4

Gravity: 3.01 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 13.06 AU - 17.42 AU

Year: 21106 Days

Day: 17.1 Hours

Environment

Temp: -182 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 49,043,069 km

• M1: 95,144 km (0.104 R)
• M2: 345,421 km (0.109 R)
• M3: 578,495 km (0.09 R)
• M4: 811,868 km (0.103 R)
• M5: 1,110,016 km (0.08 R)
• M6: 1,361,490 km (0.115 R)
• M7: 2,282,116 km (0.07 R)
• M8: 2,735,846 km (0.087 R)
• M9: 3,343,812 km (0.101 R)
• M10: 4,121,272 km (0.089 R)
• M11: 4,405,657 km (0.085 R)
• M12: 6,321,707 km (0.078 R)
• M13: 7,054,587 km (0.118 R)
• M14: 7,338,524 km (0.039 R)
• M15: 7,672,276 km (0.036 R)
• M16: 10,612,623 km (0.096 R)
• M17: 12,625,911 km (0.09 R)
• M18: 15,483,828 km (0.1 R)
• M19: 16,667,297 km (0.061 R)
• M20: 17,391,052 km (0.067 R)
• M21: 22,614,411 km (0.11 R)
• M22: 23,771,401 km (0.084 R)
• M23: 24,502,785 km (0.109 R)
• M24: 26,689,008 km (0.11 R)
• M25: 31,554,679 km (0.083 R)
• M26: 34,368,914 km (0.114 R)
• M27: 35,658,448 km (0.077 R)
• M28: 41,533,455 km (0.093 R)
• M29: 41,796,897 km (0.105 R)

Kuiper Belt

Range: 30.9 - 51.9 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 179 - 16,204 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit