🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.81 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 458

Radius: 14.9

Gravity: 2.06 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 1.51 AU - 1.71 AU

Year: 1362 Days

Day: 11.3 Hours

Environment

Temp: -184 °C

Axial Tilt: 22.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 60,298,952 km

• M1: 185,352 km (0.075 R)
• M2: 685,906 km (0.102 R)
• M3: 1,437,935 km (0.072 R)
• M4: 2,238,134 km (0.089 R)
• M5: 4,025,080 km (0.116 R)
• M6: 5,032,173 km (0.094 R)
• M7: 9,047,380 km (0.118 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 398.8

Radius: 10.6

Gravity: 3.55 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 1.76 AU - 2.08 AU

Year: 1774 Days

Day: 6.8 Hours

Environment

Temp: -199 °C

Axial Tilt: 24.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 60,298,952 km

• M1: 131,796 km (0.068 R)
• M2: 606,171 km (0.034 R)
• M3: 987,346 km (0.026 R)
• M4: 1,397,244 km (0.086 R)
• M5: 1,761,515 km (0.097 R)
• M6: 2,739,436 km (0.094 R)
• M7: 3,550,257 km (0.106 R)
• M8: 4,799,399 km (0.093 R)
• M9: 6,181,085 km (0.066 R)
• M10: 7,001,629 km (0.115 R)
• M11: 7,703,692 km (0.093 R)
• M12: 8,829,266 km (0.062 R)
• M13: 9,743,010 km (0.097 R)
• M14: 10,093,368 km (0.1 R)
• M15: 11,057,826 km (0.066 R)
• M16: 11,651,131 km (0.038 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 667.1

Radius: 9.7

Gravity: 7.09 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 1.76 AU - 2.6 AU

Year: 2146 Days

Day: 9.6 Hours

Environment

Temp: -200 °C

Axial Tilt: 6.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 60,298,952 km

• M1: 121,922 km (0.04 R)
• M2: 503,995 km (0.064 R)
• M3: 858,243 km (0.11 R)
• M4: 1,269,188 km (0.09 R)
• M5: 1,600,847 km (0.115 R)
• M6: 1,944,623 km (0.038 R)
• M7: 2,471,207 km (0.089 R)
• M8: 2,965,179 km (0.109 R)
• M9: 3,629,394 km (0.091 R)
• M10: 4,309,167 km (0.12 R)
• M11: 5,628,171 km (0.101 R)
• M12: 8,270,219 km (0.1 R)
• M13: 9,242,007 km (0.119 R)
• M14: 12,204,344 km (0.094 R)
• M15: 14,347,333 km (0.078 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 379.4

Radius: 14.3

Gravity: 1.86 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 2.32 AU - 2.9 AU

Year: 2812 Days

Day: 12.6 Hours

Environment

Temp: -205 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 60,298,952 km

• M1: 180,714 km (0.079 R)
• M2: 806,333 km (0.116 R)
• M3: 1,407,566 km (0.074 R)
• M4: 2,382,346 km (0.081 R)
• M5: 2,898,908 km (0.108 R)
• M6: 3,422,799 km (0.114 R)
• M7: 4,220,156 km (0.112 R)
• M8: 4,811,367 km (0.111 R)
• M9: 6,601,305 km (0.084 R)
• M10: 7,809,906 km (0.111 R)
• M11: 10,885,339 km (0.113 R)
• M12: 12,243,239 km (0.055 R)
• M13: 12,984,347 km (0.036 R)
• M14: 14,196,389 km (0.082 R)
• M15: 15,960,298 km (0.095 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 246.6

Radius: 10.6

Gravity: 2.19 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 4.24 AU - 4.54 AU

Year: 6134 Days

Day: 7.6 Hours

Environment

Temp: -230 °C

Axial Tilt: 7.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 60,298,952 km

• M1: 131,945 km (0.107 R)
• M2: 567,126 km (0.051 R)
• M3: 934,089 km (0.09 R)
• M4: 1,274,125 km (0.075 R)
• M5: 1,869,225 km (0.04 R)
• M6: 2,303,957 km (0.087 R)
• M7: 2,994,800 km (0.08 R)
• M8: 4,073,550 km (0.106 R)
• M9: 5,084,084 km (0.03 R)
• M10: 5,634,753 km (0.108 R)
• M11: 7,932,726 km (0.111 R)
• M12: 8,638,379 km (0.113 R)
• M13: 9,853,713 km (0.117 R)
• M14: 10,337,662 km (0.094 R)
• M15: 10,711,058 km (0.096 R)
• M16: 11,136,365 km (0.077 R)
• M17: 12,249,373 km (0.062 R)
• M18: 13,095,648 km (0.107 R)
• M19: 16,088,503 km (0.076 R)
• M20: 17,276,310 km (0.103 R)
• M21: 18,704,371 km (0.091 R)
• M22: 19,762,477 km (0.108 R)
• M23: 24,250,563 km (0.083 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 143.6

Radius: 10.4

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 4.84 AU - 6.54 AU

Year: 9051 Days

Day: 7.9 Hours

Environment

Temp: -234 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 60,298,952 km

• M1: 129,851 km (0.037 R)
• M2: 482,304 km (0.065 R)
• M3: 1,153,100 km (0.098 R)
• M4: 1,572,722 km (0.047 R)
• M5: 2,121,896 km (0.066 R)
• M6: 3,384,203 km (0.115 R)
• M7: 3,771,961 km (0.11 R)
• M8: 5,574,765 km (0.063 R)
• M9: 6,296,724 km (0.08 R)
• M10: 7,243,978 km (0.062 R)
• M11: 10,317,017 km (0.109 R)
• M12: 10,743,221 km (0.114 R)
• M13: 12,328,361 km (0.077 R)
• M14: 14,482,420 km (0.1 R)
• M15: 15,017,233 km (0.078 R)
• M16: 16,759,449 km (0.095 R)
• M17: 17,170,694 km (0.076 R)
• M18: 19,074,028 km (0.09 R)
• M19: 19,651,924 km (0.117 R)
• M20: 20,574,046 km (0.108 R)
• M21: 22,575,815 km (0.07 R)
• M22: 23,587,096 km (0.11 R)
• M23: 26,643,231 km (0.041 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.14 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 474

Radius: 4.4

Gravity: 24.48 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 8.2 AU - 10.08 AU

Year: 18427 Days

Day: 24.6 Hours

Environment

Temp: -239 °C

Axial Tilt: 12.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 60,298,952 km

• M1: 61,335 km (0.117 R)
• M2: 325,375 km (0.06 R)
• M3: 512,373 km (0.043 R)
• M4: 1,226,254 km (0.097 R)
• M5: 2,714,902 km (0.043 R)
• M6: 4,315,599 km (0.083 R)
• M7: 8,303,131 km (0.061 R)
• M8: 11,660,406 km (0.076 R)
• M9: 16,666,848 km (0.1 R)
• M10: 17,218,715 km (0.068 R)
• M11: 22,938,739 km (0.091 R)
• M12: 24,116,972 km (0.054 R)
• M13: 27,455,548 km (0.081 R)
• M14: 35,031,034 km (0.116 R)
• M15: 36,065,952 km (0.103 R)
• M16: 42,415,634 km (0.098 R)
• M17: 42,707,350 km (0.102 R)
• M18: 55,683,020 km (0.1 R)
• M19: 57,268,907 km (0.042 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 269.5

Radius: 4.4

Gravity: 13.92 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 8.03 AU - 12.85 AU

Year: 22495 Days

Day: 15.3 Hours

Environment

Temp: -233 °C

Axial Tilt: 49.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 60,298,952 km

• M1: 55,052 km (0.072 R)
• M2: 196,422 km (0.099 R)
• M3: 340,335 km (0.102 R)
• M4: 620,682 km (0.038 R)
• M5: 787,782 km (0.106 R)
• M6: 1,335,161 km (0.111 R)
• M7: 1,849,478 km (0.057 R)
• M8: 2,047,396 km (0.1 R)
• M9: 2,528,503 km (0.09 R)
• M10: 2,912,521 km (0.075 R)
• M11: 3,206,331 km (0.061 R)
• M12: 3,767,622 km (0.105 R)
• M13: 4,614,496 km (0.083 R)
• M14: 6,309,440 km (0.12 R)
• M15: 8,574,501 km (0.093 R)
• M16: 13,132,599 km (0.076 R)
• M17: 14,692,306 km (0.091 R)
• M18: 15,262,573 km (0.073 R)
• M19: 19,503,224 km (0.028 R)
• M20: 24,171,426 km (0.094 R)
• M21: 25,368,657 km (0.099 R)
• M22: 26,814,970 km (0.041 R)
• M23: 30,784,250 km (0.088 R)
• M24: 31,481,675 km (0.028 R)
• M25: 34,253,125 km (0.118 R)
• M26: 36,017,333 km (0.088 R)
• M27: 39,452,698 km (0.102 R)
• M28: 41,109,495 km (0.058 R)
• M29: 44,561,017 km (0.116 R)
• M30: 50,412,687 km (0.034 R)
• M31: 54,023,980 km (0.072 R)
• M32: 60,118,448 km (0.105 R)
• M33: 60,299,012 km (0.083 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 539 - 11,344 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit