🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.41

Radius: 1.42

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 0.44 AU - 0.7 AU

Year: 153 Days

Day: 25.7 Hours

Environment

Temp: 169 °C

Axial Tilt: 42.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 2.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.88

Radius: 1.89

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 2.14 AU - 2.92 AU

Year: 1434 Days

Day: 22.2 Hours

Environment

Temp: -72 °C

Axial Tilt: 24.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 84,828,285 km

• M1: 72,705 km (0.104 R)

Planet 3 - Terrestrial

Semi-Major Axis: 4.14 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.5

Radius: 1.83

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 4.07 AU - 4.21 AU

Year: 3003 Days

Day: 20.5 Hours

Environment

Temp: -115 °C

Axial Tilt: 32.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 84,828,285 km

• M1: 51,761 km (0.094 R)
• M2: 264,639 km (0.105 R)

Asteroid Belt

Center: 8.35 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 12.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 634.2

Radius: 12

Gravity: 4.4 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 12.03 AU - 13.09 AU

Year: 15866 Days

Day: 12.7 Hours

Environment

Temp: -172 °C

Axial Tilt: 18 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 84,828,285 km

• M1: 149,299 km (0.097 R)
• M2: 531,521 km (0.076 R)
• M3: 972,087 km (0.08 R)
• M4: 1,397,244 km (0.043 R)
• M5: 2,265,959 km (0.097 R)
• M6: 3,107,447 km (0.112 R)
• M7: 3,492,811 km (0.096 R)
• M8: 4,779,802 km (0.108 R)
• M9: 5,587,032 km (0.064 R)
• M10: 7,382,505 km (0.066 R)
• M11: 9,219,418 km (0.102 R)
• M12: 9,749,742 km (0.109 R)
• M13: 10,929,770 km (0.114 R)
• M14: 11,953,019 km (0.088 R)
• M15: 13,237,168 km (0.058 R)
• M16: 13,776,019 km (0.105 R)
• M17: 14,897,405 km (0.081 R)
• M18: 16,770,071 km (0.1 R)
• M19: 20,439,108 km (0.107 R)
• M20: 28,423,446 km (0.071 R)
• M21: 29,207,787 km (0.062 R)
• M22: 30,585,883 km (0.08 R)
• M23: 36,010,601 km (0.076 R)
• M24: 44,545,908 km (0.075 R)
• M25: 45,909,492 km (0.076 R)
• M26: 47,300,752 km (0.112 R)
• M27: 53,316,681 km (0.102 R)
• M28: 54,509,575 km (0.092 R)
• M29: 62,417,916 km (0.108 R)
• M30: 63,362,328 km (0.112 R)

Planet 5 - Ice Giant

Semi-Major Axis: 15.87 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 513.4

Radius: 5.8

Gravity: 15.26 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 15.44 AU - 16.3 AU

Year: 22535 Days

Day: 18.6 Hours

Environment

Temp: -193 °C

Axial Tilt: 43.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 84,828,285 km

• M1: 74,350 km (0.095 R)
• M2: 339,886 km (0.08 R)
• M3: 568,921 km (0.094 R)
• M4: 969,993 km (0.098 R)
• M5: 1,185,114 km (0.077 R)
• M6: 1,479,373 km (0.051 R)
• M7: 1,661,284 km (0.108 R)
• M8: 2,386,834 km (0.092 R)
• M9: 2,686,479 km (0.094 R)
• M10: 3,473,962 km (0.117 R)
• M11: 5,075,856 km (0.093 R)
• M12: 8,085,017 km (0.091 R)
• M13: 8,654,686 km (0.088 R)
• M14: 11,329,645 km (0.064 R)
• M15: 12,784,933 km (0.067 R)
• M16: 22,660,188 km (0.036 R)
• M17: 24,314,740 km (0.08 R)
• M18: 24,527,169 km (0.116 R)
• M19: 33,940,466 km (0.106 R)
• M20: 48,630,528 km (0.106 R)
• M21: 59,631,506 km (0.066 R)
• M22: 61,579,720 km (0.098 R)
• M23: 62,968,586 km (0.101 R)
• M24: 63,771,478 km (0.086 R)
• M25: 68,945,171 km (0.108 R)

Planet 6 - Ice Giant

Semi-Major Axis: 16.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 93.6

Radius: 5.7

Gravity: 2.88 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 16.02 AU - 16.54 AU

Year: 23414 Days

Day: 24.1 Hours

Environment

Temp: -196 °C

Axial Tilt: 8.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 84,828,285 km

• M1: 87,066 km (0.062 R)
• M2: 276,906 km (0.107 R)
• M3: 484,996 km (0.028 R)
• M4: 709,991 km (0.088 R)
• M5: 2,115,613 km (0.065 R)
• M6: 3,722,893 km (0.052 R)
• M7: 4,057,842 km (0.094 R)
• M8: 5,635,053 km (0.034 R)
• M9: 9,935,842 km (0.101 R)
• M10: 12,679,916 km (0.088 R)
• M11: 14,040,209 km (0.055 R)
• M12: 14,978,188 km (0.067 R)
• M13: 15,495,198 km (0.059 R)
• M14: 21,417,927 km (0.096 R)
• M15: 21,908,608 km (0.075 R)
• M16: 26,761,713 km (0.091 R)
• M17: 27,522,418 km (0.052 R)
• M18: 28,395,471 km (0.092 R)
• M19: 38,044,234 km (0.09 R)
• M20: 38,522,948 km (0.114 R)
• M21: 40,477,743 km (0.089 R)

Planet 7 - Ice Giant

Semi-Major Axis: 19.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 387.9

Radius: 4.6

Gravity: 18.33 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 17.12 AU - 22.38 AU

Year: 31286 Days

Day: 19.7 Hours

Environment

Temp: -203 °C

Axial Tilt: 2.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 84,828,285 km

• M1: 63,878 km (0.096 R)
• M2: 315,652 km (0.096 R)
• M3: 935,435 km (0.091 R)
• M4: 1,171,501 km (0.064 R)
• M5: 1,547,141 km (0.066 R)
• M6: 2,323,255 km (0.03 R)
• M7: 3,946,691 km (0.082 R)
• M8: 4,281,790 km (0.053 R)
• M9: 5,772,383 km (0.108 R)
• M10: 6,564,654 km (0.064 R)
• M11: 7,180,249 km (0.039 R)
• M12: 11,236,146 km (0.116 R)
• M13: 20,456,611 km (0.076 R)
• M14: 32,495,500 km (0.084 R)
• M15: 38,307,377 km (0.102 R)
• M16: 40,907,538 km (0.076 R)
• M17: 52,117,205 km (0.037 R)
• M18: 67,804,487 km (0.114 R)

Kuiper Belt

Range: 30.8 - 54.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 367 - 19,331 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit