🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.47 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.93 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.79

Radius: 1.87

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 0.85 AU - 1.01 AU

Year: 329 Days

Day: 29.7 Hours

Environment

Temp: 91 °C

Axial Tilt: 26.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 42,241,569 km

• M1: 74,500 km (0.113 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.88 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.19

Radius: 1.59

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 1.57 AU - 2.19 AU

Year: 946 Days

Day: 36.4 Hours

Environment

Temp: -54 °C

Axial Tilt: 21.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 3.74 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.83

Radius: 1.52

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 3.2 AU - 4.28 AU

Year: 2655 Days

Day: 22.9 Hours

Environment

Temp: -125 °C

Axial Tilt: 19.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 42,241,569 km

• M1: 1,711,250 km (0.047 R)

Planet 4 - Terrestrial

Semi-Major Axis: 4.19 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.74

Radius: 1.25

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 4.01 AU - 4.37 AU

Year: 3148 Days

Day: 15.6 Hours

Environment

Temp: -133 °C

Axial Tilt: 34.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Gas Giant

Semi-Major Axis: 6.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 805.1

Radius: 14.7

Gravity: 3.73 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 6.26 AU - 6.64 AU

Year: 6013 Days

Day: 12.6 Hours

Environment

Temp: -156 °C

Axial Tilt: 8.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 42,241,569 km

• M1: 182,958 km (0.102 R)
• M2: 729,738 km (0.116 R)
• M3: 1,200,074 km (0.111 R)
• M4: 1,760,019 km (0.034 R)
• M5: 2,426,328 km (0.108 R)
• M6: 3,515,849 km (0.099 R)
• M7: 4,049,764 km (0.119 R)
• M8: 5,860,197 km (0.114 R)
• M9: 6,412,363 km (0.09 R)
• M10: 10,029,490 km (0.064 R)
• M11: 11,859,521 km (0.097 R)
• M12: 12,961,608 km (0.113 R)
• M13: 13,565,685 km (0.112 R)
• M14: 14,771,144 km (0.04 R)
• M15: 17,793,769 km (0.093 R)
• M16: 20,832,999 km (0.07 R)
• M17: 22,514,779 km (0.103 R)
• M18: 23,712,310 km (0.105 R)
• M19: 25,459,613 km (0.101 R)
• M20: 26,671,356 km (0.037 R)
• M21: 29,868,711 km (0.083 R)
• M22: 33,723,250 km (0.109 R)
• M23: 35,396,502 km (0.102 R)
• M24: 36,038,127 km (0.077 R)

Planet 6 - Gas Giant

Semi-Major Axis: 8.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 228.5

Radius: 10.4

Gravity: 2.11 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 7.42 AU - 10.22 AU

Year: 9616 Days

Day: 9 Hours

Environment

Temp: -179 °C

Axial Tilt: 6.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 42,241,569 km

• M1: 145,858 km (0.118 R)
• M2: 537,356 km (0.103 R)
• M3: 1,035,516 km (0.095 R)
• M4: 1,685,070 km (0.073 R)
• M5: 2,272,092 km (0.063 R)
• M6: 2,990,910 km (0.066 R)
• M7: 4,333,102 km (0.111 R)
• M8: 6,754,045 km (0.116 R)
• M9: 7,414,968 km (0.1 R)
• M10: 9,917,890 km (0.103 R)
• M11: 10,542,461 km (0.107 R)
• M12: 11,722,938 km (0.096 R)
• M13: 12,068,808 km (0.097 R)
• M14: 12,523,436 km (0.087 R)
• M15: 12,884,865 km (0.061 R)
• M16: 17,018,852 km (0.1 R)
• M17: 19,522,073 km (0.097 R)
• M18: 20,078,727 km (0.086 R)
• M19: 22,412,005 km (0.052 R)
• M20: 29,386,856 km (0.08 R)
• M21: 29,842,531 km (0.1 R)

Planet 7 - Gas Giant

Semi-Major Axis: 11.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 245

Radius: 14.9

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 9.34 AU - 13.14 AU

Year: 13833 Days

Day: 12.9 Hours

Environment

Temp: -181 °C

Axial Tilt: 28.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 42,241,569 km

• M1: 185,352 km (0.103 R)
• M2: 1,069,475 km (0.116 R)
• M3: 2,699,344 km (0.054 R)
• M4: 3,482,638 km (0.095 R)
• M5: 4,468,638 km (0.117 R)
• M6: 6,770,949 km (0.078 R)
• M7: 7,336,130 km (0.057 R)
• M8: 8,180,610 km (0.082 R)
• M9: 9,920,284 km (0.058 R)
• M10: 11,628,691 km (0.109 R)
• M11: 13,409,205 km (0.091 R)
• M12: 14,242,764 km (0.113 R)
• M13: 14,734,642 km (0.111 R)
• M14: 18,574,221 km (0.085 R)
• M15: 20,529,465 km (0.047 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 271 - 19,508 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit