🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.83 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.12

Radius: 1.35

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 0.73 AU - 0.93 AU

Year: 278 Days

Day: 41.5 Hours

Environment

Temp: 97 °C

Axial Tilt: 15.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.21

Radius: 0.54

Gravity: 0.72 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 1.18 AU - 1.76 AU

Year: 654 Days

Day: 33.3 Hours

Environment

Temp: -40 °C

Axial Tilt: 1.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.07 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.72

Radius: 1.24

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 2.03 AU - 2.11 AU

Year: 1093 Days

Day: 43.6 Hours

Environment

Temp: -65 °C

Axial Tilt: 15.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 63,981,164 km

• M1: 48,171 km (0.066 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.63 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.64

Radius: 1.68

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 2.35 AU - 2.91 AU

Year: 1566 Days

Day: 46.4 Hours

Environment

Temp: -91 °C

Axial Tilt: 17.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.81 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.22

Radius: 1.78

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 3.68 AU - 3.94 AU

Year: 2730 Days

Day: 21.3 Hours

Environment

Temp: -113 °C

Axial Tilt: 63.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 4.01 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.19

Radius: 1.07

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 3.82 AU - 4.2 AU

Year: 2948 Days

Day: 47.7 Hours

Environment

Temp: -125 °C

Axial Tilt: 26.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 63,981,164 km

• M1: 576,251 km (0.11 R)

Asteroid Belt

Center: 5.36 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 6.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 398.6

Radius: 14.9

Gravity: 1.8 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 5.88 AU - 7.54 AU

Year: 6381 Days

Day: 8 Hours

Environment

Temp: -156 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 63,981,164 km

• M1: 185,352 km (0.062 R)
• M2: 1,029,832 km (0.03 R)
• M3: 1,571,974 km (0.089 R)
• M4: 2,071,631 km (0.104 R)
• M5: 2,998,390 km (0.093 R)
• M6: 3,869,499 km (0.099 R)
• M7: 4,774,865 km (0.112 R)
• M8: 5,278,561 km (0.062 R)
• M9: 6,615,517 km (0.052 R)
• M10: 7,175,761 km (0.072 R)
• M11: 8,242,095 km (0.115 R)
• M12: 9,330,569 km (0.116 R)
• M13: 10,601,104 km (0.049 R)
• M14: 11,324,260 km (0.088 R)
• M15: 13,225,798 km (0.111 R)
• M16: 16,258,297 km (0.101 R)
• M17: 17,037,851 km (0.07 R)
• M18: 18,736,535 km (0.1 R)
• M19: 22,469,002 km (0.098 R)
• M20: 23,061,260 km (0.088 R)
• M21: 23,816,131 km (0.088 R)
• M22: 25,775,713 km (0.07 R)
• M23: 29,394,336 km (0.116 R)

Planet 8 - Gas Giant

Semi-Major Axis: 10.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 490.5

Radius: 10.6

Gravity: 4.37 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 10.23 AU - 10.35 AU

Year: 12117 Days

Day: 12.9 Hours

Environment

Temp: -187 °C

Axial Tilt: 13.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 63,981,164 km

• M1: 131,796 km (0.075 R)
• M2: 594,951 km (0.1 R)
• M3: 956,978 km (0.084 R)
• M4: 1,565,991 km (0.052 R)
• M5: 2,042,310 km (0.105 R)
• M6: 2,993,005 km (0.105 R)
• M7: 3,336,930 km (0.05 R)
• M8: 4,415,232 km (0.063 R)
• M9: 7,575,187 km (0.085 R)
• M10: 8,668,149 km (0.042 R)
• M11: 9,963,218 km (0.041 R)
• M12: 12,695,623 km (0.074 R)
• M13: 13,480,713 km (0.089 R)
• M14: 15,348,293 km (0.059 R)
• M15: 16,520,093 km (0.075 R)
• M16: 18,502,265 km (0.114 R)
• M17: 22,150,358 km (0.115 R)
• M18: 29,147,948 km (0.108 R)
• M19: 31,810,042 km (0.119 R)
• M20: 32,250,608 km (0.034 R)
• M21: 33,596,391 km (0.119 R)
• M22: 34,398,684 km (0.046 R)
• M23: 38,852,512 km (0.11 R)
• M24: 39,482,468 km (0.095 R)
• M25: 40,633,474 km (0.08 R)
• M26: 43,002,506 km (0.12 R)

Planet 9 - Gas Giant

Semi-Major Axis: 11.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 712

Radius: 14.3

Gravity: 3.48 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 9.21 AU - 14.65 AU

Year: 15126 Days

Day: 8.3 Hours

Environment

Temp: -177 °C

Axial Tilt: 28.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 63,981,164 km

• M1: 185,352 km (0.032 R)
• M2: 658,231 km (0.065 R)
• M3: 1,378,694 km (0.105 R)
• M4: 1,883,288 km (0.109 R)
• M5: 2,797,779 km (0.085 R)
• M6: 3,651,235 km (0.078 R)
• M7: 4,261,295 km (0.102 R)
• M8: 4,804,336 km (0.092 R)
• M9: 7,278,236 km (0.109 R)
• M10: 10,280,515 km (0.12 R)
• M11: 11,382,752 km (0.086 R)
• M12: 15,164,287 km (0.074 R)
• M13: 15,754,750 km (0.1 R)
• M14: 16,514,558 km (0.098 R)
• M15: 24,693,672 km (0.112 R)
• M16: 25,305,677 km (0.051 R)
• M17: 32,357,571 km (0.042 R)
• M18: 37,724,843 km (0.096 R)
• M19: 41,329,254 km (0.082 R)
• M20: 48,735,246 km (0.093 R)
• M21: 49,376,273 km (0.07 R)
• M22: 52,330,682 km (0.026 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: 293 - 16,699 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit