🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.68

Radius: 0.86

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 0.47 AU - 0.63 AU

Year: 148 Days

Day: 31.4 Hours

Environment

Temp: 170 °C

Axial Tilt: 22.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 36,044,988 km

• M1: 53,855 km (0.087 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.34 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.84

Radius: 1.88

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 1.16 AU - 1.52 AU

Year: 561 Days

Day: 42.2 Hours

Environment

Temp: 9 °C

Axial Tilt: 47.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Asteroid Belt

Center: 3.83 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 6.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 781.7

Radius: 8.9

Gravity: 9.87 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 5.72 AU - 6.92 AU

Year: 5746 Days

Day: 11.7 Hours

Environment

Temp: -151 °C

Axial Tilt: 5.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 36,044,988 km

• M1: 110,702 km (0.115 R)
• M2: 390,899 km (0.119 R)
• M3: 682,914 km (0.082 R)
• M4: 1,023,997 km (0.089 R)
• M5: 2,142,092 km (0.087 R)
• M6: 3,050,301 km (0.113 R)
• M7: 3,580,475 km (0.078 R)
• M8: 5,019,158 km (0.116 R)
• M9: 5,820,853 km (0.072 R)
• M10: 8,616,987 km (0.055 R)
• M11: 8,988,588 km (0.051 R)
• M12: 9,987,004 km (0.043 R)
• M13: 10,305,049 km (0.105 R)
• M14: 10,676,800 km (0.107 R)
• M15: 13,098,790 km (0.052 R)
• M16: 14,094,663 km (0.099 R)
• M17: 14,495,286 km (0.106 R)
• M18: 16,298,987 km (0.119 R)
• M19: 16,613,442 km (0.113 R)
• M20: 18,999,079 km (0.084 R)
• M21: 19,277,630 km (0.07 R)
• M22: 20,858,132 km (0.08 R)
• M23: 21,154,485 km (0.065 R)
• M24: 24,851,049 km (0.038 R)
• M25: 25,604,872 km (0.089 R)
• M26: 27,511,946 km (0.085 R)
• M27: 29,604,820 km (0.056 R)
• M28: 31,997,638 km (0.049 R)
• M29: 32,989,921 km (0.11 R)
• M30: 33,696,621 km (0.061 R)

Planet 4 - Gas Giant

Semi-Major Axis: 7.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 565.5

Radius: 11.4

Gravity: 4.35 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 6.5 AU - 8.16 AU

Year: 7177 Days

Day: 9.5 Hours

Environment

Temp: -152 °C

Axial Tilt: 1.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 36,044,988 km

• M1: 142,268 km (0.025 R)
• M2: 508,633 km (0.115 R)
• M3: 1,432,100 km (0.091 R)
• M4: 2,321,011 km (0.077 R)
• M5: 3,305,664 km (0.034 R)
• M6: 3,798,440 km (0.099 R)
• M7: 5,337,054 km (0.106 R)
• M8: 5,732,590 km (0.074 R)
• M9: 6,279,520 km (0.11 R)
• M10: 6,755,840 km (0.054 R)
• M11: 7,183,241 km (0.099 R)
• M12: 8,493,120 km (0.088 R)
• M13: 8,865,170 km (0.068 R)
• M14: 9,686,612 km (0.119 R)
• M15: 11,834,089 km (0.076 R)
• M16: 13,542,646 km (0.063 R)
• M17: 15,902,403 km (0.112 R)
• M18: 17,642,526 km (0.099 R)
• M19: 18,662,484 km (0.072 R)
• M20: 19,151,669 km (0.034 R)
• M21: 19,577,724 km (0.115 R)
• M22: 23,621,504 km (0.084 R)
• M23: 25,967,797 km (0.104 R)
• M24: 26,930,758 km (0.071 R)
• M25: 27,465,870 km (0.054 R)
• M26: 29,301,137 km (0.102 R)
• M27: 29,677,824 km (0.116 R)
• M28: 33,727,139 km (0.103 R)
• M29: 35,937,448 km (0.084 R)

Kuiper Belt

Range: 30.3 - 56.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 445 - 11,280 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit