🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.88 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 3.76 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.21

Radius: 1.59

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 2.92 AU - 4.6 AU

Year: 2611 Days

Day: 34.2 Hours

Environment

Temp: -109 °C

Axial Tilt: 107.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 4.7 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.85

Radius: 1.71

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 4.58 AU - 4.82 AU

Year: 3649 Days

Day: 45.1 Hours

Environment

Temp: -129 °C

Axial Tilt: 3.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 31,073,781 km

• M1: 182,509 km (0.104 R)

Asteroid Belt

Center: 8.31 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 11.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 771.9

Radius: 9.7

Gravity: 8.2 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 11.21 AU - 12.61 AU

Year: 14721 Days

Day: 8.3 Hours

Environment

Temp: -176 °C

Axial Tilt: 42.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 31,073,781 km

• M1: 120,875 km (0.045 R)
• M2: 490,083 km (0.108 R)
• M3: 1,000,211 km (0.065 R)
• M4: 1,930,710 km (0.056 R)
• M5: 2,352,726 km (0.102 R)
• M6: 3,768,670 km (0.117 R)
• M7: 4,306,175 km (0.035 R)
• M8: 5,314,913 km (0.072 R)
• M9: 7,335,232 km (0.106 R)
• M10: 9,127,564 km (0.081 R)
• M11: 11,075,329 km (0.083 R)
• M12: 11,864,757 km (0.118 R)
• M13: 13,555,512 km (0.036 R)
• M14: 15,401,400 km (0.114 R)
• M15: 17,570,270 km (0.114 R)
• M16: 21,285,683 km (0.049 R)
• M17: 23,277,578 km (0.072 R)
• M18: 26,760,965 km (0.099 R)
• M19: 28,626,749 km (0.117 R)
• M20: 33,355,538 km (0.074 R)
• M21: 38,580,543 km (0.086 R)
• M22: 41,100,220 km (0.055 R)
• M23: 41,963,848 km (0.084 R)
• M24: 44,778,831 km (0.109 R)
• M25: 45,693,323 km (0.044 R)
• M26: 46,931,994 km (0.045 R)
• M27: 47,559,557 km (0.092 R)
• M28: 48,351,977 km (0.111 R)
• M29: 52,278,472 km (0.093 R)
• M30: 55,708,901 km (0.096 R)
• M31: 59,469,193 km (0.106 R)

Planet 4 - Ice Giant

Semi-Major Axis: 12.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 69.7

Radius: 3.9

Gravity: 4.58 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 11.41 AU - 14.15 AU

Year: 16363 Days

Day: 22.7 Hours

Environment

Temp: -191 °C

Axial Tilt: 7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 31,073,781 km

• M1: 55,202 km (0.116 R)
• M2: 192,981 km (0.049 R)
• M3: 339,886 km (0.062 R)
• M4: 544,985 km (0.111 R)
• M5: 805,136 km (0.069 R)
• M6: 1,183,918 km (0.067 R)
• M7: 1,764,357 km (0.104 R)
• M8: 2,019,272 km (0.066 R)
• M9: 2,282,116 km (0.05 R)
• M10: 3,167,885 km (0.113 R)
• M11: 4,772,770 km (0.118 R)
• M12: 4,933,887 km (0.071 R)
• M13: 6,070,682 km (0.062 R)
• M14: 6,323,801 km (0.108 R)
• M15: 9,008,784 km (0.044 R)
• M16: 10,599,159 km (0.118 R)
• M17: 12,068,359 km (0.109 R)
• M18: 12,367,555 km (0.037 R)
• M19: 14,546,299 km (0.112 R)
• M20: 14,999,281 km (0.111 R)
• M21: 17,029,922 km (0.044 R)
• M22: 20,761,791 km (0.061 R)
• M23: 22,365,630 km (0.101 R)
• M24: 23,351,330 km (0.085 R)
• M25: 24,603,614 km (0.059 R)

Kuiper Belt

Range: 30.6 - 45.6 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 443 - 15,684 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit