🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.34

Radius: 1.8

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 0.64 AU - 0.66 AU

Year: 195 Days

Day: 35.4 Hours

Environment

Temp: 118 °C

Axial Tilt: 45.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 99,076,507 km

• M1: 211,681 km (0.084 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.81 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.9

Radius: 1.89

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 0.67 AU - 0.95 AU

Year: 272 Days

Day: 45.4 Hours

Environment

Temp: 95 °C

Axial Tilt: 37.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 99,076,507 km

• M1: 212,279 km (0.114 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.92 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.38

Radius: 1.81

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 0.75 AU - 1.09 AU

Year: 329 Days

Day: 26.2 Hours

Environment

Temp: 32 °C

Axial Tilt: 32.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 99,076,507 km

• M1: 50,863 km (0.091 R)
• M2: 202,705 km (0.1 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.02 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.08

Radius: 1.75

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 1.52 AU - 2.53 AU

Year: 1070 Days

Day: 39.7 Hours

Environment

Temp: -77 °C

Axial Tilt: 7.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Gas Giant

Semi-Major Axis: 10.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 362.1

Radius: 11

Gravity: 2.99 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 7.65 AU - 12.61 AU

Year: 12019 Days

Day: 6.7 Hours

Environment

Temp: -169 °C

Axial Tilt: 26.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 99,076,507 km

• M1: 136,882 km (0.082 R)
• M2: 552,914 km (0.059 R)
• M3: 977,472 km (0.099 R)
• M4: 1,581,399 km (0.103 R)
• M5: 2,041,712 km (0.102 R)
• M6: 2,828,447 km (0.103 R)
• M7: 3,213,512 km (0.113 R)
• M8: 5,150,355 km (0.097 R)
• M9: 5,661,980 km (0.105 R)
• M10: 6,242,570 km (0.065 R)
• M11: 7,522,828 km (0.059 R)
• M12: 8,483,246 km (0.07 R)
• M13: 9,015,815 km (0.046 R)
• M14: 11,856,379 km (0.089 R)
• M15: 12,980,757 km (0.027 R)
• M16: 14,989,258 km (0.083 R)
• M17: 16,101,219 km (0.074 R)
• M18: 19,537,033 km (0.099 R)
• M19: 22,331,222 km (0.111 R)
• M20: 30,103,580 km (0.049 R)
• M21: 30,616,102 km (0.11 R)
• M22: 32,616,973 km (0.078 R)
• M23: 35,608,183 km (0.08 R)
• M24: 37,229,076 km (0.109 R)
• M25: 42,258,407 km (0.115 R)
• M26: 42,643,172 km (0.041 R)

Planet 6 - Ice Giant

Semi-Major Axis: 16.26 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 471

Radius: 6.5

Gravity: 11.15 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 13.76 AU - 18.76 AU

Year: 24442 Days

Day: 16.9 Hours

Environment

Temp: -196 °C

Axial Tilt: 3.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 99,076,507 km

• M1: 80,932 km (0.026 R)
• M2: 300,393 km (0.107 R)
• M3: 989,740 km (0.094 R)
• M4: 1,194,838 km (0.111 R)
• M5: 1,693,149 km (0.109 R)
• M6: 2,256,534 km (0.071 R)
• M7: 3,041,923 km (0.051 R)
• M8: 3,658,715 km (0.114 R)
• M9: 5,926,170 km (0.092 R)
• M10: 6,657,853 km (0.111 R)
• M11: 10,373,266 km (0.103 R)
• M12: 11,627,195 km (0.077 R)
• M13: 12,022,283 km (0.052 R)
• M14: 12,978,962 km (0.054 R)
• M15: 14,432,305 km (0.045 R)
• M16: 16,234,062 km (0.102 R)
• M17: 17,572,514 km (0.102 R)
• M18: 18,005,600 km (0.098 R)
• M19: 20,850,203 km (0.103 R)
• M20: 21,828,125 km (0.096 R)
• M21: 26,158,983 km (0.1 R)
• M22: 27,411,416 km (0.116 R)
• M23: 29,062,528 km (0.113 R)
• M24: 30,158,482 km (0.083 R)
• M25: 32,045,659 km (0.088 R)
• M26: 36,192,512 km (0.106 R)
• M27: 38,177,377 km (0.085 R)
• M28: 38,757,517 km (0.113 R)
• M29: 39,196,437 km (0.03 R)
• M30: 40,084,301 km (0.1 R)
• M31: 41,441,004 km (0.066 R)
• M32: 42,984,255 km (0.071 R)
• M33: 47,008,887 km (0.083 R)
• M34: 52,696,598 km (0.112 R)
• M35: 59,018,903 km (0.05 R)
• M36: 59,405,763 km (0.097 R)
• M37: 63,571,017 km (0.109 R)
• M38: 65,414,212 km (0.109 R)
• M39: 69,206,817 km (0.052 R)
• M40: 70,938,413 km (0.104 R)

Planet 7 - Ice Giant

Semi-Major Axis: 16.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 948.2

Radius: 7.8

Gravity: 15.59 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 16.4 AU - 16.84 AU

Year: 25258 Days

Day: 20.9 Hours

Environment

Temp: -189 °C

Axial Tilt: 48.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 99,076,507 km

• M1: 96,939 km (0.081 R)
• M2: 574,755 km (0.07 R)
• M3: 819,647 km (0.088 R)
• M4: 1,108,371 km (0.055 R)
• M5: 1,381,536 km (0.041 R)
• M6: 1,625,082 km (0.073 R)
• M7: 1,980,975 km (0.092 R)
• M8: 2,988,965 km (0.065 R)
• M9: 3,279,933 km (0.109 R)
• M10: 3,621,764 km (0.097 R)
• M11: 4,161,514 km (0.104 R)
• M12: 8,132,439 km (0.108 R)
• M13: 8,996,816 km (0.096 R)
• M14: 9,420,477 km (0.103 R)
• M15: 9,731,341 km (0.052 R)
• M16: 11,741,787 km (0.088 R)
• M17: 13,226,696 km (0.07 R)
• M18: 16,385,754 km (0.102 R)
• M19: 20,014,699 km (0.109 R)
• M20: 20,528,867 km (0.096 R)
• M21: 21,691,093 km (0.117 R)
• M22: 24,611,542 km (0.095 R)
• M23: 28,682,699 km (0.045 R)
• M24: 28,942,999 km (0.114 R)
• M25: 33,756,760 km (0.076 R)
• M26: 38,128,907 km (0.075 R)
• M27: 40,368,686 km (0.045 R)
• M28: 45,814,647 km (0.096 R)
• M29: 46,707,597 km (0.043 R)
• M30: 52,893,768 km (0.036 R)
• M31: 54,471,726 km (0.098 R)
• M32: 73,705,824 km (0.101 R)
• M33: 74,194,410 km (0.072 R)
• M34: 81,262,760 km (0.109 R)
• M35: 87,394,328 km (0.11 R)
• M36: 90,432,960 km (0.102 R)
• M37: 95,555,790 km (0.079 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 456 - 15,727 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit