🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.7 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.49

Radius: 0.75

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 0.58 AU - 0.82 AU

Year: 213 Days

Day: 17.8 Hours

Environment

Temp: 119 °C

Axial Tilt: 26.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.11 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.75

Radius: 1.7

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 1.08 AU - 1.14 AU

Year: 425 Days

Day: 36.4 Hours

Environment

Temp: 16 °C

Axial Tilt: 9.3 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 2.87 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.02

Radius: 1.56

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 2.83 AU - 2.91 AU

Year: 1767 Days

Day: 34.3 Hours

Environment

Temp: -89 °C

Axial Tilt: 37.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 4.44 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.34

Radius: 1.41

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 3.85 AU - 5.03 AU

Year: 3400 Days

Day: 12.1 Hours

Environment

Temp: -135 °C

Axial Tilt: 11.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 41,537,693 km

• M1: 390,002 km (0.028 R)

Asteroid Belt

Center: 5.37 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 6.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 485.3

Radius: 11.6

Gravity: 3.61 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 5.01 AU - 7.59 AU

Year: 5747 Days

Day: 9.1 Hours

Environment

Temp: -143 °C

Axial Tilt: 6.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 41,537,693 km

• M1: 145,110 km (0.088 R)
• M2: 1,795,623 km (0.061 R)
• M3: 2,199,837 km (0.106 R)
• M4: 2,580,414 km (0.096 R)
• M5: 3,061,520 km (0.056 R)
• M6: 3,456,160 km (0.099 R)
• M7: 3,840,477 km (0.091 R)
• M8: 4,495,416 km (0.099 R)
• M9: 5,034,417 km (0.069 R)
• M10: 5,530,484 km (0.066 R)
• M11: 6,524,861 km (0.097 R)
• M12: 8,216,214 km (0.042 R)
• M13: 9,024,192 km (0.067 R)
• M14: 11,815,090 km (0.099 R)
• M15: 12,347,060 km (0.04 R)
• M16: 13,251,828 km (0.094 R)
• M17: 13,932,349 km (0.104 R)
• M18: 16,350,449 km (0.05 R)
• M19: 16,829,461 km (0.111 R)
• M20: 18,709,607 km (0.114 R)
• M21: 19,970,418 km (0.055 R)
• M22: 20,656,474 km (0.108 R)
• M23: 25,027,873 km (0.04 R)

Planet 6 - Gas Giant

Semi-Major Axis: 7.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 29.9

Radius: 10.9

Gravity: 0.25 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 6.47 AU - 7.83 AU

Year: 6948 Days

Day: 10.7 Hours

Environment

Temp: -148 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 41,537,693 km

• M1: 138,228 km (0.094 R)
• M2: 767,587 km (0.117 R)
• M3: 1,978,133 km (0.066 R)
• M4: 4,059,189 km (0.12 R)
• M5: 4,496,912 km (0.095 R)
• M6: 5,842,844 km (0.091 R)
• M7: 6,819,868 km (0.106 R)
• M8: 9,656,842 km (0.086 R)
• M9: 10,812,784 km (0.081 R)

Planet 7 - Gas Giant

Semi-Major Axis: 7.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 995.9

Radius: 15

Gravity: 4.43 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 6.04 AU - 8.68 AU

Year: 7257 Days

Day: 10.2 Hours

Environment

Temp: -154 °C

Axial Tilt: 20.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 41,537,693 km

• M1: 186,997 km (0.071 R)
• M2: 704,008 km (0.074 R)
• M3: 1,377,348 km (0.098 R)
• M4: 1,917,845 km (0.109 R)
• M5: 2,489,159 km (0.075 R)
• M6: 3,218,000 km (0.06 R)
• M7: 5,644,477 km (0.087 R)
• M8: 11,313,788 km (0.071 R)
• M9: 15,421,446 km (0.054 R)
• M10: 17,737,072 km (0.095 R)
• M11: 24,972,821 km (0.116 R)
• M12: 28,642,906 km (0.095 R)
• M13: 29,638,929 km (0.076 R)
• M14: 33,965,748 km (0.106 R)
• M15: 38,217,020 km (0.093 R)
• M16: 41,534,652 km (0.103 R)
• M17: 43,198,629 km (0.094 R)
• M18: 43,719,379 km (0.09 R)

Planet 8 - Gas Giant

Semi-Major Axis: 11.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 226.6

Radius: 14.6

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 10.53 AU - 12.31 AU

Year: 14026 Days

Day: 10.7 Hours

Environment

Temp: -190 °C

Axial Tilt: 4.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 41,537,693 km

• M1: 182,061 km (0.033 R)
• M2: 859,290 km (0.073 R)
• M3: 1,708,707 km (0.027 R)
• M4: 2,242,622 km (0.099 R)
• M5: 3,656,621 km (0.106 R)
• M6: 4,206,991 km (0.118 R)
• M7: 4,928,951 km (0.044 R)
• M8: 6,269,048 km (0.093 R)
• M9: 8,761,947 km (0.062 R)
• M10: 9,476,576 km (0.108 R)
• M11: 10,037,868 km (0.1 R)
• M12: 10,621,299 km (0.114 R)
• M13: 13,767,492 km (0.099 R)
• M14: 17,768,637 km (0.072 R)
• M15: 20,649,293 km (0.084 R)
• M16: 21,835,904 km (0.077 R)
• M17: 23,658,006 km (0.108 R)
• M18: 25,045,376 km (0.026 R)
• M19: 26,947,812 km (0.05 R)
• M20: 27,508,655 km (0.05 R)
• M21: 27,981,983 km (0.119 R)
• M22: 30,229,840 km (0.075 R)
• M23: 30,835,412 km (0.117 R)
• M24: 32,913,028 km (0.113 R)
• M25: 37,809,515 km (0.113 R)
• M26: 39,344,390 km (0.088 R)
• M27: 40,187,972 km (0.076 R)

Kuiper Belt

Range: 30.2 - 52.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 206 - 16,449 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit