🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.57 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.13 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.07

Radius: 1.57

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 1.12 AU - 1.14 AU

Year: 437 Days

Day: 35.6 Hours

Environment

Temp: 27 °C

Axial Tilt: 37.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 3.06 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.11

Radius: 1.04

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 3.06 AU - 3.06 AU

Year: 1945 Days

Day: 23.7 Hours

Environment

Temp: -100 °C

Axial Tilt: 118.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.59 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 6.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 329.4

Radius: 10.6

Gravity: 2.93 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 4.78 AU - 7.46 AU

Year: 5502 Days

Day: 12.3 Hours

Environment

Temp: -147 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 39,827,999 km

• M1: 132,693 km (0.072 R)
• M2: 463,604 km (0.057 R)
• M3: 806,482 km (0.108 R)
• M4: 1,238,072 km (0.094 R)
• M5: 1,564,644 km (0.073 R)
• M6: 2,255,936 km (0.063 R)
• M7: 2,636,662 km (0.112 R)
• M8: 4,493,770 km (0.082 R)
• M9: 4,900,228 km (0.066 R)
• M10: 5,370,713 km (0.072 R)
• M11: 5,649,414 km (0.096 R)
• M12: 6,032,385 km (0.118 R)
• M13: 7,637,270 km (0.089 R)
• M14: 8,339,034 km (0.082 R)
• M15: 8,834,203 km (0.05 R)
• M16: 9,313,365 km (0.07 R)
• M17: 9,588,625 km (0.11 R)
• M18: 10,182,977 km (0.046 R)
• M19: 12,599,432 km (0.1 R)
• M20: 13,536,064 km (0.055 R)
• M21: 14,582,501 km (0.09 R)
• M22: 15,393,322 km (0.118 R)
• M23: 16,875,537 km (0.06 R)
• M24: 17,789,281 km (0.086 R)
• M25: 18,340,849 km (0.117 R)
• M26: 19,031,093 km (0.085 R)
• M27: 19,645,641 km (0.084 R)
• M28: 21,041,539 km (0.051 R)
• M29: 21,317,248 km (0.062 R)
• M30: 22,723,019 km (0.111 R)
• M31: 24,717,159 km (0.091 R)
• M32: 25,016,055 km (0.082 R)

Planet 4 - Gas Giant

Semi-Major Axis: 7.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 722.4

Radius: 11.3

Gravity: 5.66 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 5.93 AU - 8.95 AU

Year: 7375 Days

Day: 14.6 Hours

Environment

Temp: -169 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 39,827,999 km

• M1: 143,016 km (0.099 R)
• M2: 413,937 km (0.099 R)
• M3: 712,086 km (0.063 R)
• M4: 1,118,842 km (0.116 R)
• M5: 1,759,869 km (0.113 R)
• M6: 2,369,780 km (0.101 R)
• M7: 2,721,185 km (0.063 R)
• M8: 2,948,724 km (0.081 R)
• M9: 4,103,619 km (0.114 R)
• M10: 4,594,450 km (0.103 R)
• M11: 5,170,402 km (0.105 R)
• M12: 5,871,417 km (0.1 R)
• M13: 7,141,354 km (0.117 R)
• M14: 7,478,697 km (0.112 R)
• M15: 8,795,906 km (0.092 R)
• M16: 9,591,916 km (0.104 R)
• M17: 10,301,908 km (0.105 R)
• M18: 10,707,617 km (0.091 R)
• M19: 14,427,967 km (0.078 R)
• M20: 14,956,646 km (0.105 R)
• M21: 15,992,611 km (0.062 R)
• M22: 18,980,978 km (0.11 R)
• M23: 23,003,665 km (0.108 R)
• M24: 23,854,876 km (0.095 R)
• M25: 25,160,866 km (0.063 R)
• M26: 25,413,686 km (0.082 R)
• M27: 26,437,235 km (0.103 R)
• M28: 29,904,315 km (0.071 R)
• M29: 30,665,320 km (0.12 R)
• M30: 31,084,343 km (0.109 R)
• M31: 33,295,250 km (0.097 R)
• M32: 34,984,958 km (0.112 R)
• M33: 39,669,466 km (0.061 R)

Kuiper Belt

Range: 30.2 - 57.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 467 - 11,381 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit