🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.68 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.29

Radius: 1.11

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 0.53 AU - 0.83 AU

Year: 215 Days

Day: 30.6 Hours

Environment

Temp: 164 °C

Axial Tilt: 31 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.98 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.19

Radius: 1.77

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 0.94 AU - 1.02 AU

Year: 371 Days

Day: 22.2 Hours

Environment

Temp: 3 °C

Axial Tilt: 48.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 0.99 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.95

Radius: 1.54

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 0.93 AU - 1.05 AU

Year: 377 Days

Day: 29.1 Hours

Environment

Temp: 2 °C

Axial Tilt: 33.4 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (2)

Outer Limit: 68,380,835 km

• M1: 52,958 km (0.117 R)
• M2: 116,238 km (0.117 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.43

Radius: 1.64

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 1.06 AU - 1.38 AU

Year: 516 Days

Day: 41.6 Hours

Environment

Temp: -41 °C

Axial Tilt: 46.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 68,380,835 km

• M1: 38,596 km (0.098 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.01

Radius: 1.74

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 1.4 AU - 1.8 AU

Year: 775 Days

Day: 31.2 Hours

Environment

Temp: -59 °C

Axial Tilt: 25 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.31 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 9.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 486.8

Radius: 9.5

Gravity: 5.39 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 7.75 AU - 10.29 AU

Year: 10372 Days

Day: 10.4 Hours

Environment

Temp: -177 °C

Axial Tilt: 22.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 68,380,835 km

• M1: 118,631 km (0.096 R)
• M2: 622,776 km (0.083 R)
• M3: 1,037,162 km (0.113 R)
• M4: 1,395,299 km (0.07 R)
• M5: 1,732,194 km (0.099 R)
• M6: 2,593,279 km (0.088 R)
• M7: 3,175,065 km (0.094 R)
• M8: 4,952,288 km (0.036 R)
• M9: 5,848,678 km (0.114 R)
• M10: 7,351,090 km (0.107 R)
• M11: 12,514,610 km (0.083 R)
• M12: 12,972,978 km (0.077 R)
• M13: 16,029,113 km (0.09 R)
• M14: 19,155,559 km (0.025 R)
• M15: 19,534,789 km (0.086 R)
• M16: 22,498,622 km (0.104 R)
• M17: 29,101,573 km (0.101 R)
• M18: 32,733,510 km (0.116 R)
• M19: 33,058,287 km (0.078 R)
• M20: 35,505,559 km (0.114 R)
• M21: 37,833,002 km (0.084 R)
• M22: 42,147,405 km (0.034 R)

Planet 7 - Ice Giant

Semi-Major Axis: 13.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 464.9

Radius: 7

Gravity: 9.49 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 12.96 AU - 14.26 AU

Year: 19225 Days

Day: 15.6 Hours

Environment

Temp: -200 °C

Axial Tilt: 15 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 68,380,835 km

• M1: 90,058 km (0.106 R)
• M2: 512,373 km (0.101 R)
• M3: 789,129 km (0.1 R)
• M4: 1,243,458 km (0.118 R)
• M5: 4,280,893 km (0.072 R)
• M6: 4,769,330 km (0.053 R)
• M7: 6,254,089 km (0.113 R)
• M8: 9,127,116 km (0.088 R)
• M9: 13,581,243 km (0.103 R)
• M10: 17,377,737 km (0.087 R)
• M11: 18,197,085 km (0.08 R)
• M12: 20,718,707 km (0.119 R)
• M13: 22,395,699 km (0.098 R)
• M14: 23,860,860 km (0.062 R)
• M15: 29,779,999 km (0.079 R)
• M16: 31,309,338 km (0.111 R)
• M17: 31,669,570 km (0.108 R)
• M18: 34,651,953 km (0.118 R)
• M19: 37,952,232 km (0.094 R)
• M20: 39,748,453 km (0.099 R)
• M21: 42,916,039 km (0.04 R)
• M22: 45,169,731 km (0.101 R)
• M23: 45,476,107 km (0.099 R)
• M24: 47,501,213 km (0.109 R)
• M25: 49,261,083 km (0.069 R)
• M26: 55,499,164 km (0.108 R)
• M27: 57,450,519 km (0.07 R)

Planet 8 - Ice Giant

Semi-Major Axis: 16.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 291.8

Radius: 3.4

Gravity: 25.24 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 15.69 AU - 17.69 AU

Year: 26107 Days

Day: 23.4 Hours

Environment

Temp: -206 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 68,380,835 km

• M1: 47,273 km (0.049 R)
• M2: 157,377 km (0.108 R)
• M3: 311,762 km (0.094 R)
• M4: 800,199 km (0.059 R)
• M5: 963,560 km (0.103 R)
• M6: 1,097,300 km (0.096 R)
• M7: 1,463,516 km (0.075 R)
• M8: 3,475,907 km (0.101 R)
• M9: 4,034,056 km (0.114 R)
• M10: 4,318,292 km (0.092 R)
• M11: 6,522,018 km (0.085 R)
• M12: 7,838,629 km (0.118 R)
• M13: 8,533,511 km (0.109 R)
• M14: 9,054,262 km (0.102 R)
• M15: 9,268,336 km (0.095 R)
• M16: 10,448,364 km (0.117 R)
• M17: 13,307,179 km (0.089 R)
• M18: 14,364,986 km (0.102 R)
• M19: 14,951,559 km (0.119 R)
• M20: 15,706,879 km (0.059 R)
• M21: 17,130,153 km (0.113 R)
• M22: 17,293,364 km (0.102 R)
• M23: 18,465,464 km (0.111 R)
• M24: 21,341,034 km (0.092 R)
• M25: 25,549,521 km (0.082 R)
• M26: 26,736,580 km (0.082 R)
• M27: 27,959,842 km (0.089 R)
• M28: 29,687,398 km (0.065 R)
• M29: 30,637,195 km (0.098 R)
• M30: 30,757,322 km (0.117 R)
• M31: 32,223,681 km (0.109 R)
• M32: 32,722,589 km (0.111 R)
• M33: 33,992,376 km (0.077 R)
• M34: 37,859,930 km (0.086 R)
• M35: 43,965,917 km (0.079 R)
• M36: 46,296,352 km (0.11 R)
• M37: 55,544,493 km (0.091 R)
• M38: 65,152,715 km (0.034 R)
• M39: 65,750,059 km (0.07 R)
• M40: 66,955,818 km (0.118 R)
• M41: 68,176,088 km (0.093 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 427 - 16,723 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit