🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.52

Radius: 0.77

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 0.55 AU - 0.59 AU

Year: 151 Days

Day: 19.1 Hours

Environment

Temp: 260 °C

Axial Tilt: 25.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.54

Radius: 1.83

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 0.56 AU - 0.64 AU

Year: 163 Days

Day: 28.8 Hours

Environment

Temp: 210 °C

Axial Tilt: 17.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.81

Radius: 1.71

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 0.47 AU - 0.73 AU

Year: 163 Days

Day: 34.9 Hours

Environment

Temp: 197 °C

Axial Tilt: 32.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 99,902,433 km

• M1: 307,424 km (0.094 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.18 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.25

Radius: 1.09

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 1.14 AU - 1.22 AU

Year: 448 Days

Day: 44.2 Hours

Environment

Temp: 26 °C

Axial Tilt: 22.7 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 5 - Terrestrial

Semi-Major Axis: 3.87 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.13

Radius: 1.05

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 3.08 AU - 4.66 AU

Year: 2663 Days

Day: 46.9 Hours

Environment

Temp: -109 °C

Axial Tilt: 18.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 6.73 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 9.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 237.4

Radius: 9.2

Gravity: 2.8 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 7.88 AU - 11.28 AU

Year: 10373 Days

Day: 5.3 Hours

Environment

Temp: -158 °C

Axial Tilt: 29.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 99,902,433 km

• M1: 114,442 km (0.115 R)
• M2: 456,124 km (0.079 R)
• M3: 806,482 km (0.083 R)
• M4: 1,209,798 km (0.11 R)
• M5: 1,652,907 km (0.116 R)
• M6: 2,381,897 km (0.06 R)
• M7: 3,730,373 km (0.066 R)
• M8: 5,929,760 km (0.107 R)
• M9: 6,449,314 km (0.085 R)
• M10: 7,729,423 km (0.117 R)
• M11: 9,256,368 km (0.066 R)
• M12: 9,822,147 km (0.109 R)
• M13: 10,318,663 km (0.116 R)
• M14: 12,422,158 km (0.084 R)
• M15: 13,164,762 km (0.075 R)
• M16: 15,269,455 km (0.099 R)
• M17: 15,570,146 km (0.052 R)
• M18: 16,559,138 km (0.08 R)
• M19: 17,655,092 km (0.107 R)
• M20: 20,862,321 km (0.098 R)
• M21: 21,232,875 km (0.108 R)
• M22: 25,772,572 km (0.097 R)
• M23: 26,457,580 km (0.088 R)
• M24: 28,313,342 km (0.117 R)
• M25: 28,950,778 km (0.115 R)
• M26: 29,411,839 km (0.092 R)
• M27: 31,889,030 km (0.049 R)
• M28: 33,582,029 km (0.073 R)

Planet 7 - Ice Giant

Semi-Major Axis: 14.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 806.4

Radius: 5.8

Gravity: 23.97 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 12.54 AU - 16.68 AU

Year: 19537 Days

Day: 22.4 Hours

Environment

Temp: -185 °C

Axial Tilt: 21.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 99,902,433 km

• M1: 72,106 km (0.093 R)
• M2: 713,881 km (0.114 R)
• M3: 1,164,619 km (0.104 R)
• M4: 1,397,992 km (0.082 R)
• M5: 1,662,332 km (0.113 R)
• M6: 1,863,241 km (0.092 R)
• M7: 2,565,753 km (0.097 R)
• M8: 4,010,420 km (0.085 R)
• M9: 5,016,765 km (0.105 R)
• M10: 6,532,041 km (0.088 R)
• M11: 7,966,386 km (0.095 R)
• M12: 10,189,111 km (0.03 R)
• M13: 10,370,872 km (0.081 R)
• M14: 15,252,700 km (0.116 R)
• M15: 15,892,829 km (0.082 R)
• M16: 18,814,775 km (0.097 R)
• M17: 22,585,239 km (0.05 R)
• M18: 27,410,369 km (0.112 R)
• M19: 34,898,790 km (0.071 R)
• M20: 47,245,252 km (0.043 R)
• M21: 48,090,629 km (0.089 R)
• M22: 59,818,803 km (0.064 R)

Planet 8 - Ice Giant

Semi-Major Axis: 18.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 830.9

Radius: 5.6

Gravity: 26.5 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 16.21 AU - 20.33 AU

Year: 27320 Days

Day: 22.7 Hours

Environment

Temp: -184 °C

Axial Tilt: 23.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 99,902,433 km

• M1: 69,713 km (0.04 R)
• M2: 393,293 km (0.077 R)
• M3: 868,266 km (0.091 R)
• M4: 2,792,244 km (0.092 R)
• M5: 5,085,580 km (0.077 R)
• M6: 5,811,279 km (0.111 R)
• M7: 11,814,941 km (0.063 R)
• M8: 14,848,486 km (0.075 R)
• M9: 23,291,640 km (0.08 R)
• M10: 24,442,946 km (0.086 R)
• M11: 31,738,086 km (0.083 R)
• M12: 33,728,635 km (0.083 R)
• M13: 38,588,023 km (0.08 R)
• M14: 38,906,367 km (0.088 R)
• M15: 39,548,142 km (0.045 R)
• M16: 43,034,520 km (0.112 R)
• M17: 46,181,461 km (0.113 R)
• M18: 57,566,308 km (0.102 R)
• M19: 62,249,020 km (0.096 R)
• M20: 72,122,330 km (0.084 R)
• M21: 75,797,800 km (0.065 R)
• M22: 88,395,287 km (0.087 R)

Kuiper Belt

Range: 31.4 - 55.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 530 - 11,912 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit