🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.75 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 999.5

Radius: 12.2

Gravity: 6.72 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 1.46 AU - 1.52 AU

Year: 1174 Days

Day: 14.1 Hours

Environment

Temp: -185 °C

Axial Tilt: 43.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 65,750,834 km

• M1: 151,692 km (0.079 R)
• M2: 577,897 km (0.12 R)
• M3: 1,219,671 km (0.108 R)
• M4: 1,821,055 km (0.102 R)
• M5: 2,838,769 km (0.077 R)
• M6: 3,222,787 km (0.116 R)
• M7: 3,839,579 km (0.106 R)
• M8: 4,666,855 km (0.113 R)
• M9: 5,062,242 km (0.098 R)
• M10: 5,741,566 km (0.105 R)
• M11: 6,601,904 km (0.108 R)
• M12: 7,680,654 km (0.111 R)
• M13: 9,113,801 km (0.1 R)
• M14: 9,798,212 km (0.056 R)
• M15: 11,410,278 km (0.101 R)
• M16: 12,205,541 km (0.1 R)
• M17: 12,883,518 km (0.109 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 48.8

Radius: 8.9

Gravity: 0.62 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 1.59 AU - 2.19 AU

Year: 1678 Days

Day: 5.6 Hours

Environment

Temp: -193 °C

Axial Tilt: 65.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 65,750,834 km

• M1: 119,678 km (0.075 R)
• M2: 718,967 km (0.113 R)
• M3: 1,227,002 km (0.051 R)
• M4: 1,566,290 km (0.112 R)
• M5: 1,879,398 km (0.086 R)
• M6: 2,362,450 km (0.084 R)
• M7: 2,959,195 km (0.039 R)
• M8: 3,991,122 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 826.8

Radius: 13.5

Gravity: 4.54 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 1.88 AU - 2.56 AU

Year: 2136 Days

Day: 9.1 Hours

Environment

Temp: -200 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 65,750,834 km

• M1: 170,691 km (0.116 R)
• M2: 732,581 km (0.034 R)
• M3: 1,395,000 km (0.078 R)
• M4: 2,918,954 km (0.09 R)
• M5: 3,620,568 km (0.07 R)
• M6: 4,536,555 km (0.096 R)
• M7: 5,773,879 km (0.116 R)
• M8: 6,744,171 km (0.107 R)
• M9: 7,638,467 km (0.097 R)
• M10: 8,256,306 km (0.105 R)
• M11: 9,041,845 km (0.091 R)
• M12: 9,522,652 km (0.032 R)
• M13: 10,056,717 km (0.078 R)
• M14: 10,952,808 km (0.086 R)
• M15: 12,106,058 km (0.109 R)
• M16: 12,690,986 km (0.07 R)
• M17: 14,513,387 km (0.069 R)
• M18: 15,221,883 km (0.069 R)
• M19: 15,805,165 km (0.078 R)
• M20: 16,403,407 km (0.056 R)
• M21: 16,964,847 km (0.116 R)
• M22: 17,645,069 km (0.069 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 308.3

Radius: 14.5

Gravity: 1.47 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 2.66 AU - 2.74 AU

Year: 2865 Days

Day: 7.6 Hours

Environment

Temp: -198 °C

Axial Tilt: 45.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 65,750,834 km

• M1: 184,305 km (0.115 R)
• M2: 737,218 km (0.101 R)
• M3: 1,267,992 km (0.111 R)
• M4: 2,048,444 km (0.114 R)
• M5: 3,454,664 km (0.084 R)
• M6: 4,070,558 km (0.106 R)
• M7: 4,991,034 km (0.091 R)
• M8: 5,757,723 km (0.042 R)
• M9: 6,219,531 km (0.085 R)
• M10: 7,385,348 km (0.048 R)
• M11: 9,139,233 km (0.105 R)
• M12: 14,853,273 km (0.041 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 423.9

Radius: 11.8

Gravity: 3.04 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 2.62 AU - 2.84 AU

Year: 2912 Days

Day: 13.8 Hours

Environment

Temp: -193 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 65,750,834 km

• M1: 154,834 km (0.095 R)
• M2: 550,221 km (0.113 R)
• M3: 1,115,851 km (0.061 R)
• M4: 1,513,182 km (0.105 R)
• M5: 2,439,193 km (0.108 R)
• M6: 3,189,875 km (0.077 R)
• M7: 4,267,130 km (0.117 R)
• M8: 4,813,012 km (0.03 R)
• M9: 5,645,524 km (0.099 R)
• M10: 6,278,473 km (0.115 R)
• M11: 6,930,121 km (0.115 R)
• M12: 7,418,558 km (0.104 R)
• M13: 9,536,715 km (0.101 R)
• M14: 9,997,327 km (0.095 R)
• M15: 10,584,498 km (0.028 R)
• M16: 10,963,130 km (0.114 R)
• M17: 11,747,622 km (0.097 R)
• M18: 12,194,770 km (0.042 R)
• M19: 14,053,074 km (0.12 R)
• M20: 15,456,602 km (0.114 R)
• M21: 16,292,405 km (0.104 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 181.9

Radius: 5.1

Gravity: 6.99 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 6.73 AU - 7.83 AU

Year: 12683 Days

Day: 18.1 Hours

Environment

Temp: -218 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 65,750,834 km

• M1: 63,429 km (0.042 R)
• M2: 330,611 km (0.098 R)
• M3: 606,470 km (0.088 R)
• M4: 888,911 km (0.038 R)
• M5: 1,543,102 km (0.1 R)
• M6: 1,948,512 km (0.058 R)
• M7: 2,583,555 km (0.113 R)
• M8: 3,260,336 km (0.118 R)
• M9: 4,649,352 km (0.116 R)
• M10: 4,871,655 km (0.062 R)
• M11: 7,426,637 km (0.075 R)
• M12: 8,122,566 km (0.091 R)
• M13: 8,445,548 km (0.029 R)
• M14: 10,612,922 km (0.1 R)
• M15: 10,804,706 km (0.084 R)
• M16: 12,317,739 km (0.071 R)
• M17: 12,690,238 km (0.078 R)
• M18: 13,235,223 km (0.108 R)
• M19: 14,963,677 km (0.109 R)
• M20: 16,196,213 km (0.108 R)
• M21: 20,077,680 km (0.116 R)
• M22: 20,742,343 km (0.061 R)
• M23: 22,115,502 km (0.092 R)
• M24: 26,596,557 km (0.108 R)
• M25: 28,676,117 km (0.032 R)
• M26: 30,281,003 km (0.06 R)
• M27: 34,606,176 km (0.082 R)
• M28: 35,240,621 km (0.108 R)
• M29: 35,560,611 km (0.109 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 837.7

Radius: 6

Gravity: 23.27 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 6.96 AU - 8.98 AU

Year: 14528 Days

Day: 22.1 Hours

Environment

Temp: -219 °C

Axial Tilt: 46.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 65,750,834 km

• M1: 74,649 km (0.032 R)
• M2: 408,851 km (0.047 R)
• M3: 682,914 km (0.058 R)
• M4: 1,352,963 km (0.073 R)
• M5: 2,107,834 km (0.098 R)
• M6: 2,477,939 km (0.11 R)
• M7: 3,735,608 km (0.035 R)
• M8: 3,970,477 km (0.104 R)
• M9: 4,568,121 km (0.045 R)
• M10: 5,707,458 km (0.107 R)
• M11: 7,944,096 km (0.072 R)
• M12: 8,185,995 km (0.088 R)
• M13: 8,735,468 km (0.03 R)
• M14: 9,256,069 km (0.032 R)
• M15: 9,963,368 km (0.102 R)
• M16: 10,647,778 km (0.037 R)
• M17: 13,978,874 km (0.037 R)
• M18: 15,501,032 km (0.119 R)
• M19: 17,945,013 km (0.088 R)
• M20: 20,725,289 km (0.1 R)
• M21: 23,284,161 km (0.051 R)
• M22: 25,102,373 km (0.087 R)
• M23: 28,564,816 km (0.114 R)
• M24: 29,477,662 km (0.057 R)
• M25: 30,174,938 km (0.081 R)
• M26: 31,844,600 km (0.116 R)
• M27: 33,449,336 km (0.117 R)
• M28: 34,463,161 km (0.08 R)
• M29: 34,848,525 km (0.104 R)
• M30: 48,272,540 km (0.108 R)
• M31: 49,078,424 km (0.116 R)
• M32: 52,731,454 km (0.088 R)
• M33: 54,103,566 km (0.054 R)
• M34: 63,607,219 km (0.108 R)
• M35: 64,575,716 km (0.074 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: 185 - 12,266 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit