🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.75 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.04

Radius: 1.56

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 0.65 AU - 0.85 AU

Year: 229 Days

Day: 21.5 Hours

Environment

Temp: 185 °C

Axial Tilt: 39.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Asteroid Belt

Center: 3.59 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 6.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 820.2

Radius: 12.8

Gravity: 5.01 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 5.16 AU - 7.7 AU

Year: 5757 Days

Day: 10 Hours

Environment

Temp: -153 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 41,342,925 km

• M1: 159,172 km (0.072 R)
• M2: 602,730 km (0.059 R)
• M3: 1,005,597 km (0.111 R)
• M4: 1,525,300 km (0.12 R)
• M5: 1,964,370 km (0.078 R)
• M6: 2,437,249 km (0.072 R)
• M7: 3,869,947 km (0.115 R)
• M8: 4,516,210 km (0.101 R)
• M9: 5,146,915 km (0.085 R)
• M10: 5,835,663 km (0.03 R)
• M11: 7,001,031 km (0.071 R)
• M12: 7,695,614 km (0.063 R)
• M13: 8,197,066 km (0.101 R)
• M14: 9,180,223 km (0.111 R)
• M15: 10,611,575 km (0.12 R)
• M16: 13,800,404 km (0.112 R)
• M17: 14,658,796 km (0.116 R)
• M18: 15,735,302 km (0.041 R)
• M19: 16,293,003 km (0.096 R)
• M20: 19,564,260 km (0.115 R)
• M21: 20,427,589 km (0.111 R)
• M22: 21,542,393 km (0.104 R)
• M23: 23,570,192 km (0.091 R)
• M24: 26,671,056 km (0.077 R)
• M25: 29,939,919 km (0.038 R)
• M26: 30,701,073 km (0.111 R)
• M27: 31,475,093 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 7.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 395.8

Radius: 10.4

Gravity: 3.66 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 7.02 AU - 7.8 AU

Year: 7122 Days

Day: 13.8 Hours

Environment

Temp: -159 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 41,342,925 km

• M1: 132,843 km (0.051 R)
• M2: 546,182 km (0.072 R)
• M3: 935,136 km (0.107 R)
• M4: 2,379,504 km (0.088 R)
• M5: 4,045,874 km (0.064 R)
• M6: 5,638,793 km (0.052 R)
• M7: 6,910,674 km (0.115 R)
• M8: 8,599,035 km (0.118 R)
• M9: 9,581,744 km (0.112 R)
• M10: 10,277,374 km (0.108 R)
• M11: 11,288,356 km (0.081 R)
• M12: 12,263,884 km (0.07 R)
• M13: 15,586,752 km (0.074 R)
• M14: 16,002,783 km (0.108 R)
• M15: 22,259,415 km (0.077 R)
• M16: 23,478,638 km (0.101 R)
• M17: 24,902,959 km (0.065 R)
• M18: 30,805,493 km (0.061 R)

Planet 4 - Ice Giant

Semi-Major Axis: 13.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 137.4

Radius: 7.1

Gravity: 2.73 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 13.64 AU - 13.74 AU

Year: 17886 Days

Day: 18.7 Hours

Environment

Temp: -180 °C

Axial Tilt: 8.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 41,342,925 km

• M1: 89,160 km (0.107 R)
• M2: 709,991 km (0.105 R)
• M3: 2,535,534 km (0.058 R)
• M4: 3,015,594 km (0.066 R)
• M5: 4,707,995 km (0.045 R)
• M6: 7,102,907 km (0.116 R)
• M7: 7,849,699 km (0.104 R)
• M8: 9,269,383 km (0.059 R)
• M9: 9,872,861 km (0.097 R)
• M10: 11,261,728 km (0.074 R)
• M11: 13,232,530 km (0.078 R)
• M12: 14,544,055 km (0.08 R)
• M13: 17,353,802 km (0.067 R)
• M14: 18,341,447 km (0.063 R)
• M15: 27,442,383 km (0.099 R)
• M16: 32,528,112 km (0.047 R)
• M17: 34,244,449 km (0.095 R)
• M18: 36,816,335 km (0.118 R)
• M19: 37,624,014 km (0.083 R)

Kuiper Belt

Range: 31.1 - 58.1 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 220 - 11,086 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit