🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.46

Radius: 1.16

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 0.59 AU - 0.67 AU

Year: 328 Days

Day: 26.5 Hours

Environment

Temp: -128 °C

Axial Tilt: 24.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 1.16 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 369.7

Radius: 11.3

Gravity: 2.9 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 1.4 AU - 1.98 AU

Year: 1441 Days

Day: 6.4 Hours

Environment

Temp: -188 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 63,829,672 km

• M1: 140,772 km (0.097 R)
• M2: 521,049 km (0.064 R)
• M3: 1,463,965 km (0.099 R)
• M4: 1,950,457 km (0.09 R)
• M5: 2,737,791 km (0.077 R)
• M6: 3,268,115 km (0.081 R)
• M7: 3,725,436 km (0.075 R)
• M8: 5,222,910 km (0.102 R)
• M9: 5,892,959 km (0.056 R)
• M10: 6,438,094 km (0.037 R)
• M11: 7,730,769 km (0.081 R)
• M12: 8,438,666 km (0.032 R)
• M13: 9,132,052 km (0.111 R)
• M14: 9,713,988 km (0.111 R)

Planet 3 - Ice Giant

Semi-Major Axis: 6.24 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 301.8

Radius: 4.2

Gravity: 17.11 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 5.98 AU - 6.5 AU

Year: 10226 Days

Day: 15.4 Hours

Environment

Temp: -211 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 63,829,672 km

• M1: 52,210 km (0.101 R)
• M2: 339,138 km (0.046 R)
• M3: 609,312 km (0.067 R)
• M4: 747,989 km (0.118 R)
• M5: 1,030,580 km (0.079 R)
• M6: 1,441,974 km (0.075 R)
• M7: 1,692,251 km (0.094 R)
• M8: 1,924,726 km (0.084 R)
• M9: 2,830,392 km (0.049 R)
• M10: 5,072,265 km (0.094 R)
• M11: 5,555,915 km (0.081 R)
• M12: 7,415,267 km (0.078 R)
• M13: 9,880,042 km (0.072 R)
• M14: 10,064,496 km (0.063 R)
• M15: 10,972,705 km (0.066 R)
• M16: 14,971,755 km (0.111 R)
• M17: 17,460,615 km (0.108 R)
• M18: 22,515,377 km (0.119 R)
• M19: 25,589,613 km (0.073 R)
• M20: 29,883,371 km (0.119 R)
• M21: 34,421,423 km (0.078 R)
• M22: 35,381,093 km (0.077 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 887.4

Radius: 7.6

Gravity: 15.36 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 5.99 AU - 9.03 AU

Year: 13501 Days

Day: 18.7 Hours

Environment

Temp: -217 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 63,829,672 km

• M1: 94,546 km (0.087 R)
• M2: 402,119 km (0.054 R)
• M3: 643,570 km (0.057 R)
• M4: 997,818 km (0.085 R)
• M5: 1,714,092 km (0.106 R)
• M6: 3,428,783 km (0.118 R)
• M7: 4,328,465 km (0.118 R)
• M8: 4,749,433 km (0.113 R)
• M9: 6,137,851 km (0.067 R)
• M10: 6,925,185 km (0.041 R)
• M11: 9,264,596 km (0.108 R)
• M12: 11,468,322 km (0.092 R)
• M13: 12,594,495 km (0.055 R)
• M14: 13,385,120 km (0.109 R)
• M15: 16,260,092 km (0.115 R)
• M16: 17,038,300 km (0.087 R)
• M17: 18,086,981 km (0.05 R)
• M18: 19,092,578 km (0.054 R)
• M19: 20,490,570 km (0.088 R)
• M20: 26,131,457 km (0.099 R)
• M21: 28,516,795 km (0.104 R)
• M22: 31,637,855 km (0.057 R)
• M23: 33,218,806 km (0.083 R)
• M24: 35,493,740 km (0.053 R)
• M25: 38,141,024 km (0.104 R)
• M26: 52,024,604 km (0.072 R)
• M27: 52,694,803 km (0.054 R)
• M28: 60,819,014 km (0.06 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 364 - 12,766 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit