🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.16

Radius: 1.77

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 0.43 AU - 0.69 AU

Year: 271 Days

Day: 33 Hours

Environment

Temp: -118 °C

Axial Tilt: 39.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 966.3

Radius: 10.7

Gravity: 8.44 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 0.67 AU - 0.87 AU

Year: 436 Days

Day: 12.1 Hours

Environment

Temp: -141 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 58,658,713 km

• M1: 133,142 km (0.095 R)
• M2: 557,252 km (0.111 R)
• M3: 1,024,895 km (0.098 R)
• M4: 1,440,179 km (0.116 R)
• M5: 2,391,771 km (0.11 R)
• M6: 2,778,780 km (0.089 R)
• M7: 3,125,399 km (0.12 R)
• M8: 3,641,511 km (0.119 R)
• M9: 4,030,466 km (0.065 R)
• M10: 4,537,004 km (0.107 R)
• M11: 5,837,608 km (0.088 R)
• M12: 6,449,015 km (0.086 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 673

Radius: 8.1

Gravity: 10.26 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 2.85 AU - 4.71 AU

Year: 4745 Days

Day: 13.2 Hours

Environment

Temp: -199 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 58,658,713 km

• M1: 101,128 km (0.064 R)
• M2: 360,680 km (0.069 R)
• M3: 783,594 km (0.034 R)
• M4: 1,206,357 km (0.085 R)
• M5: 1,517,072 km (0.045 R)
• M6: 1,894,657 km (0.072 R)
• M7: 2,318,468 km (0.105 R)
• M8: 2,698,297 km (0.118 R)
• M9: 3,647,196 km (0.116 R)
• M10: 4,092,848 km (0.082 R)
• M11: 5,943,823 km (0.09 R)
• M12: 6,247,656 km (0.079 R)
• M13: 6,853,378 km (0.069 R)
• M14: 9,305,137 km (0.111 R)
• M15: 9,591,019 km (0.084 R)
• M16: 10,973,602 km (0.116 R)
• M17: 12,337,037 km (0.105 R)
• M18: 13,600,242 km (0.099 R)
• M19: 15,058,970 km (0.104 R)
• M20: 19,720,739 km (0.112 R)
• M21: 22,816,966 km (0.03 R)
• M22: 24,018,985 km (0.079 R)
• M23: 24,557,837 km (0.094 R)
• M24: 25,421,017 km (0.064 R)
• M25: 26,630,366 km (0.047 R)
• M26: 27,374,166 km (0.098 R)
• M27: 27,877,563 km (0.08 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 528.6

Radius: 13.6

Gravity: 2.86 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 4.1 AU - 4.32 AU

Year: 5577 Days

Day: 9.6 Hours

Environment

Temp: -203 °C

Axial Tilt: 41.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 58,658,713 km

• M1: 169,195 km (0.073 R)
• M2: 993,180 km (0.102 R)
• M3: 1,859,502 km (0.088 R)
• M4: 2,761,876 km (0.089 R)
• M5: 4,807,477 km (0.115 R)
• M6: 5,918,690 km (0.095 R)
• M7: 6,503,468 km (0.095 R)
• M8: 7,505,475 km (0.114 R)
• M9: 8,043,728 km (0.097 R)
• M10: 12,516,106 km (0.117 R)
• M11: 13,534,568 km (0.052 R)
• M12: 14,279,865 km (0.114 R)
• M13: 17,788,384 km (0.092 R)
• M14: 19,674,663 km (0.099 R)
• M15: 21,262,794 km (0.057 R)
• M16: 22,051,923 km (0.119 R)
• M17: 24,537,043 km (0.083 R)
• M18: 28,736,405 km (0.091 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 355.7

Radius: 3.1

Gravity: 37.01 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 7.62 AU - 11.3 AU

Year: 18787 Days

Day: 17 Hours

Environment

Temp: -235 °C

Axial Tilt: 0.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 58,658,713 km

• M1: 38,596 km (0.086 R)
• M2: 278,701 km (0.094 R)
• M3: 706,252 km (0.097 R)
• M4: 828,772 km (0.093 R)
• M5: 943,514 km (0.083 R)
• M6: 1,311,674 km (0.111 R)
• M7: 1,669,213 km (0.04 R)
• M8: 1,959,433 km (0.066 R)
• M9: 2,750,806 km (0.076 R)
• M10: 2,865,697 km (0.111 R)
• M11: 2,983,879 km (0.096 R)
• M12: 3,762,237 km (0.119 R)
• M13: 4,019,844 km (0.056 R)
• M14: 7,768,917 km (0.117 R)
• M15: 11,182,740 km (0.073 R)
• M16: 12,077,934 km (0.097 R)
• M17: 16,211,472 km (0.068 R)
• M18: 16,662,809 km (0.032 R)
• M19: 22,009,736 km (0.118 R)
• M20: 22,749,199 km (0.095 R)
• M21: 24,670,185 km (0.106 R)
• M22: 27,009,596 km (0.072 R)
• M23: 27,431,014 km (0.101 R)
• M24: 27,643,443 km (0.084 R)
• M25: 28,503,780 km (0.08 R)
• M26: 28,721,594 km (0.112 R)
• M27: 28,940,606 km (0.037 R)
• M28: 43,777,573 km (0.086 R)
• M29: 44,798,130 km (0.101 R)
• M30: 50,297,946 km (0.093 R)
• M31: 50,616,140 km (0.056 R)
• M32: 55,549,878 km (0.118 R)
• M33: 56,573,576 km (0.091 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 293 - 14,192 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit