🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.54 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.07 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.95

Radius: 0.98

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 0.91 AU - 1.23 AU

Year: 410 Days

Day: 27 Hours

Environment

Temp: 22 °C

Axial Tilt: 38.7 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 2.46 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.28

Radius: 1.39

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 2.29 AU - 2.63 AU

Year: 1431 Days

Day: 39.5 Hours

Environment

Temp: -100 °C

Axial Tilt: 12.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 3.91 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.12

Radius: 0.43

Gravity: 0.65 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 3.33 AU - 4.49 AU

Year: 2867 Days

Day: 26.6 Hours

Environment

Temp: -121 °C

Axial Tilt: 13.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 4.42 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.27

Radius: 1.61

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 4.16 AU - 4.68 AU

Year: 3446 Days

Day: 21.5 Hours

Environment

Temp: -143 °C

Axial Tilt: 31.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 60,656,571 km

• M1: 1,866,682 km (0.084 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 845.9

Radius: 13.6

Gravity: 4.57 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 5.49 AU - 6.27 AU

Year: 5288 Days

Day: 6.9 Hours

Environment

Temp: -149 °C

Axial Tilt: 22 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 60,656,571 km

• M1: 169,195 km (0.039 R)
• M2: 637,437 km (0.038 R)
• M3: 1,234,930 km (0.108 R)
• M4: 1,782,758 km (0.099 R)
• M5: 2,683,487 km (0.107 R)
• M6: 3,341,568 km (0.118 R)
• M7: 4,105,414 km (0.071 R)
• M8: 4,846,522 km (0.045 R)
• M9: 5,496,375 km (0.04 R)
• M10: 5,919,887 km (0.108 R)
• M11: 8,455,720 km (0.068 R)
• M12: 9,063,836 km (0.054 R)
• M13: 11,892,881 km (0.078 R)
• M14: 12,972,080 km (0.115 R)
• M15: 18,415,049 km (0.111 R)
• M16: 20,356,081 km (0.044 R)
• M17: 22,201,371 km (0.068 R)
• M18: 25,051,061 km (0.085 R)
• M19: 27,342,601 km (0.111 R)
• M20: 29,770,575 km (0.057 R)

Planet 6 - Gas Giant

Semi-Major Axis: 6.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 244.5

Radius: 10.6

Gravity: 2.18 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 6.08 AU - 7.64 AU

Year: 6663 Days

Day: 12.6 Hours

Environment

Temp: -168 °C

Axial Tilt: 81.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 60,656,571 km

• M1: 131,945 km (0.094 R)
• M2: 569,968 km (0.108 R)
• M3: 961,765 km (0.068 R)
• M4: 1,296,266 km (0.06 R)
• M5: 1,639,293 km (0.079 R)
• M6: 2,777,135 km (0.118 R)
• M7: 3,149,484 km (0.038 R)
• M8: 4,218,211 km (0.076 R)
• M9: 5,115,200 km (0.115 R)
• M10: 6,105,538 km (0.101 R)
• M11: 7,089,144 km (0.051 R)
• M12: 7,517,742 km (0.09 R)
• M13: 8,499,702 km (0.052 R)
• M14: 12,144,804 km (0.097 R)
• M15: 13,745,651 km (0.113 R)
• M16: 14,205,515 km (0.118 R)
• M17: 17,899,236 km (0.109 R)
• M18: 18,448,110 km (0.051 R)
• M19: 19,324,155 km (0.027 R)
• M20: 20,823,276 km (0.094 R)
• M21: 21,704,108 km (0.05 R)
• M22: 24,347,203 km (0.087 R)

Planet 7 - Ice Giant

Semi-Major Axis: 12.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 565.5

Radius: 4.3

Gravity: 30.58 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 10.76 AU - 13.5 AU

Year: 15667 Days

Day: 19.2 Hours

Environment

Temp: -183 °C

Axial Tilt: 21.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 60,656,571 km

• M1: 54,603 km (0.04 R)
• M2: 234,420 km (0.09 R)
• M3: 516,861 km (0.101 R)
• M4: 1,058,405 km (0.103 R)
• M5: 1,273,078 km (0.087 R)
• M6: 3,816,840 km (0.117 R)
• M7: 5,145,868 km (0.11 R)
• M8: 7,720,148 km (0.083 R)
• M9: 8,574,800 km (0.116 R)
• M10: 8,974,077 km (0.099 R)
• M11: 9,178,428 km (0.085 R)
• M12: 9,863,885 km (0.092 R)
• M13: 10,191,355 km (0.11 R)
• M14: 11,158,954 km (0.099 R)
• M15: 17,476,622 km (0.078 R)
• M16: 17,875,599 km (0.106 R)
• M17: 19,875,723 km (0.104 R)
• M18: 20,048,807 km (0.097 R)
• M19: 23,532,343 km (0.12 R)
• M20: 25,928,453 km (0.111 R)
• M21: 28,263,227 km (0.039 R)
• M22: 28,592,192 km (0.092 R)
• M23: 29,369,353 km (0.109 R)
• M24: 29,819,792 km (0.108 R)
• M25: 31,315,621 km (0.069 R)
• M26: 32,022,471 km (0.111 R)
• M27: 32,619,666 km (0.112 R)
• M28: 37,402,908 km (0.061 R)
• M29: 38,332,061 km (0.063 R)
• M30: 47,707,509 km (0.049 R)
• M31: 53,336,877 km (0.073 R)
• M32: 59,932,198 km (0.092 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 222 - 18,894 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit