🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.51

Radius: 0.76

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 0.42 AU - 0.64 AU

Year: 134 Days

Day: 24.4 Hours

Environment

Temp: 231 °C

Axial Tilt: 11.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.71

Radius: 0.87

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 0.42 AU - 0.66 AU

Year: 138 Days

Day: 42 Hours

Environment

Temp: 283 °C

Axial Tilt: 175.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 64,245,477 km

• M1: 21,093 km (0.072 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.44 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.13

Radius: 1.05

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 1.87 AU - 3.01 AU

Year: 1327 Days

Day: 25.1 Hours

Environment

Temp: -76 °C

Axial Tilt: 26 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 4.35 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.25

Radius: 1.6

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 4.05 AU - 4.65 AU

Year: 3160 Days

Day: 19.8 Hours

Environment

Temp: -122 °C

Axial Tilt: 20.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 64,245,477 km

• M1: 166,652 km (0.067 R)

Asteroid Belt

Center: 5.4 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 6.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 43

Radius: 13.9

Gravity: 0.22 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 5.71 AU - 7.19 AU

Year: 5705 Days

Day: 14.9 Hours

Environment

Temp: -136 °C

Axial Tilt: 41 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 64,245,477 km

• M1: 173,833 km (0.108 R)
• M2: 637,586 km (0.103 R)
• M3: 1,165,517 km (0.061 R)
• M4: 1,675,496 km (0.118 R)
• M5: 5,141,230 km (0.075 R)
• M6: 7,019,282 km (0.05 R)
• M7: 7,727,777 km (0.028 R)
• M8: 8,805,630 km (0.107 R)
• M9: 10,776,133 km (0.112 R)
• M10: 11,399,807 km (0.111 R)

Planet 6 - Gas Giant

Semi-Major Axis: 6.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 641

Radius: 12.7

Gravity: 3.97 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 5.29 AU - 8.55 AU

Year: 6339 Days

Day: 13.7 Hours

Environment

Temp: -150 °C

Axial Tilt: 21.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 64,245,477 km

• M1: 158,125 km (0.118 R)
• M2: 770,279 km (0.104 R)
• M3: 1,213,987 km (0.118 R)
• M4: 2,092,874 km (0.115 R)
• M5: 2,601,806 km (0.117 R)
• M6: 3,111,785 km (0.111 R)
• M7: 4,234,667 km (0.093 R)
• M8: 5,372,957 km (0.072 R)
• M9: 6,402,789 km (0.028 R)
• M10: 7,412,724 km (0.066 R)
• M11: 8,247,480 km (0.055 R)
• M12: 10,516,431 km (0.116 R)
• M13: 12,484,541 km (0.096 R)
• M14: 13,228,341 km (0.05 R)
• M15: 14,170,808 km (0.065 R)
• M16: 16,691,083 km (0.056 R)
• M17: 19,850,590 km (0.114 R)
• M18: 22,371,165 km (0.117 R)
• M19: 25,685,954 km (0.114 R)
• M20: 30,061,094 km (0.072 R)
• M21: 30,628,818 km (0.068 R)

Planet 7 - Gas Giant

Semi-Major Axis: 7.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 91.2

Radius: 10.6

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 6.25 AU - 7.91 AU

Year: 6561 Days

Day: 12.3 Hours

Environment

Temp: -140 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 64,245,477 km

• M1: 132,394 km (0.074 R)
• M2: 505,192 km (0.119 R)
• M3: 1,009,486 km (0.073 R)
• M4: 1,368,821 km (0.062 R)
• M5: 1,952,851 km (0.063 R)
• M6: 3,167,885 km (0.056 R)
• M7: 3,977,209 km (0.097 R)
• M8: 7,037,383 km (0.046 R)
• M9: 9,490,788 km (0.087 R)
• M10: 10,397,052 km (0.074 R)
• M11: 12,006,875 km (0.059 R)

Planet 8 - Gas Giant

Semi-Major Axis: 11.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 903.6

Radius: 8.3

Gravity: 13.12 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 8.94 AU - 13.98 AU

Year: 13510 Days

Day: 13.4 Hours

Environment

Temp: -169 °C

Axial Tilt: 4.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 64,245,477 km

• M1: 103,223 km (0.067 R)
• M2: 441,164 km (0.062 R)
• M3: 1,749,846 km (0.102 R)
• M4: 2,224,820 km (0.073 R)
• M5: 2,760,081 km (0.118 R)
• M6: 4,621,677 km (0.112 R)
• M7: 5,167,410 km (0.048 R)
• M8: 5,567,135 km (0.078 R)
• M9: 6,145,181 km (0.106 R)
• M10: 7,511,758 km (0.084 R)
• M11: 8,661,866 km (0.096 R)
• M12: 9,815,565 km (0.086 R)
• M13: 14,950,512 km (0.099 R)
• M14: 15,687,880 km (0.076 R)
• M15: 15,989,469 km (0.07 R)
• M16: 23,352,676 km (0.072 R)
• M17: 23,845,302 km (0.041 R)
• M18: 25,675,931 km (0.077 R)
• M19: 26,947,364 km (0.046 R)
• M20: 27,380,300 km (0.054 R)
• M21: 37,311,803 km (0.066 R)
• M22: 46,396,882 km (0.113 R)
• M23: 51,863,039 km (0.083 R)
• M24: 57,385,893 km (0.112 R)
• M25: 60,104,535 km (0.063 R)

Kuiper Belt

Range: 31.5 - 48.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 229 - 18,193 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit