🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.99

Radius: 1

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 0.45 AU - 0.65 AU

Year: 259 Days

Day: 42.7 Hours

Environment

Temp: -125 °C

Axial Tilt: 2.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.39

Radius: 1.42

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 0.43 AU - 0.69 AU

Year: 266 Days

Day: 43.6 Hours

Environment

Temp: -127 °C

Axial Tilt: 17.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.07

Radius: 1.75

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 0.48 AU - 0.66 AU

Year: 274 Days

Day: 18.3 Hours

Environment

Temp: -131 °C

Axial Tilt: 152.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 14,330,390 km

• M1: 45,627 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 952.6

Radius: 12.7

Gravity: 5.91 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 0.85 AU - 1.09 AU

Year: 607 Days

Day: 10.5 Hours

Environment

Temp: -154 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 14,330,390 km

• M1: 157,975 km (0.069 R)
• M2: 558,748 km (0.058 R)
• M3: 1,054,815 km (0.074 R)
• M4: 1,597,406 km (0.113 R)
• M5: 2,016,729 km (0.114 R)
• M6: 2,499,930 km (0.086 R)
• M7: 3,035,939 km (0.082 R)
• M8: 3,802,778 km (0.084 R)
• M9: 4,232,573 km (0.11 R)
• M10: 4,845,325 km (0.07 R)
• M11: 5,352,013 km (0.095 R)
• M12: 6,188,714 km (0.107 R)
• M13: 7,243,379 km (0.09 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 663.8

Radius: 9.4

Gravity: 7.51 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 0.89 AU - 1.11 AU

Year: 636 Days

Day: 14.1 Hours

Environment

Temp: -156 °C

Axial Tilt: 13.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 14,330,390 km

• M1: 116,836 km (0.043 R)
• M2: 441,314 km (0.112 R)
• M3: 803,939 km (0.101 R)
• M4: 1,168,958 km (0.091 R)
• M5: 1,487,302 km (0.071 R)
• M6: 1,872,816 km (0.092 R)
• M7: 2,466,420 km (0.091 R)
• M8: 3,168,333 km (0.089 R)
• M9: 3,770,914 km (0.111 R)
• M10: 4,701,711 km (0.099 R)
• M11: 5,594,512 km (0.053 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 355.8

Radius: 14.8

Gravity: 1.62 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 1.31 AU - 1.33 AU

Year: 964 Days

Day: 13.2 Hours

Environment

Temp: -165 °C

Axial Tilt: 18.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 14,330,390 km

• M1: 184,155 km (0.072 R)
• M2: 745,895 km (0.079 R)
• M3: 1,265,598 km (0.034 R)
• M4: 1,826,889 km (0.047 R)
• M5: 2,288,997 km (0.102 R)
• M6: 2,946,779 km (0.11 R)
• M7: 3,869,798 km (0.106 R)
• M8: 5,488,596 km (0.069 R)
• M9: 6,450,810 km (0.08 R)
• M10: 7,102,309 km (0.093 R)

Planet 7 - Gas Giant

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 346.5

Radius: 14.3

Gravity: 1.69 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 1.42 AU - 1.7 AU

Year: 1239 Days

Day: 8.7 Hours

Environment

Temp: -178 °C

Axial Tilt: 42.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 14,330,390 km

• M1: 178,919 km (0.058 R)
• M2: 1,015,171 km (0.083 R)
• M3: 1,472,342 km (0.074 R)
• M4: 2,149,572 km (0.028 R)
• M5: 2,904,293 km (0.119 R)
• M6: 3,483,087 km (0.056 R)
• M7: 4,044,378 km (0.068 R)
• M8: 4,946,304 km (0.052 R)
• M9: 5,998,875 km (0.056 R)
• M10: 6,787,854 km (0.039 R)
• M11: 7,888,595 km (0.057 R)

Planet 8 - Gas Giant

Semi-Major Axis: 1.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 28.8

Radius: 11.7

Gravity: 0.21 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 1.62 AU - 2.34 AU

Year: 1771 Days

Day: 13.2 Hours

Environment

Temp: -179 °C

Axial Tilt: 83.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 14,330,390 km

• M1: 154,983 km (0.102 R)
• M2: 1,542,803 km (0.05 R)
• M3: 2,259,227 km (0.095 R)
• M4: 4,164,954 km (0.081 R)
• M5: 5,090,367 km (0.047 R)

Planet 9 - Gas Giant

Semi-Major Axis: 2.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 449.3

Radius: 8.2

Gravity: 6.68 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 1.76 AU - 2.56 AU

Year: 2018 Days

Day: 14.5 Hours

Environment

Temp: -190 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 14,330,390 km

• M1: 102,175 km (0.114 R)
• M2: 467,194 km (0.083 R)
• M3: 733,179 km (0.108 R)
• M4: 1,054,216 km (0.096 R)
• M5: 1,347,428 km (0.041 R)
• M6: 2,681,841 km (0.084 R)
• M7: 3,114,328 km (0.038 R)
• M8: 3,379,416 km (0.119 R)
• M9: 3,710,775 km (0.056 R)
• M10: 4,400,571 km (0.031 R)
• M11: 4,776,211 km (0.106 R)
• M12: 5,412,750 km (0.082 R)
• M13: 5,774,627 km (0.074 R)
• M14: 6,032,833 km (0.091 R)
• M15: 6,397,403 km (0.066 R)
• M16: 6,828,096 km (0.096 R)
• M17: 7,524,324 km (0.111 R)
• M18: 8,208,286 km (0.103 R)
• M19: 9,183,664 km (0.032 R)
• M20: 11,145,341 km (0.114 R)
• M21: 11,732,213 km (0.083 R)
• M22: 13,007,684 km (0.109 R)
• M23: 14,287,793 km (0.113 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 173 - 14,296 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit