🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 558.4

Radius: 11.8

Gravity: 4.01 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 0.59 AU - 0.93 AU

Year: 449 Days

Day: 11.8 Hours

Environment

Temp: -153 °C

Axial Tilt: 21.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 32,049,540 km

• M1: 146,905 km (0.104 R)
• M2: 540,796 km (0.09 R)
• M3: 949,049 km (0.09 R)
• M4: 1,325,736 km (0.089 R)
• M5: 1,746,106 km (0.082 R)
• M6: 2,136,557 km (0.113 R)
• M7: 2,528,802 km (0.084 R)
• M8: 3,592,443 km (0.11 R)
• M9: 4,072,652 km (0.113 R)
• M10: 4,740,308 km (0.117 R)
• M11: 5,240,713 km (0.082 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 95

Radius: 14.8

Gravity: 0.43 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 0.6 AU - 0.92 AU

Year: 449 Days

Day: 11.2 Hours

Environment

Temp: -155 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 32,049,540 km

• M1: 184,005 km (0.095 R)
• M2: 754,123 km (0.098 R)
• M3: 1,612,067 km (0.107 R)
• M4: 3,074,535 km (0.112 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 921.6

Radius: 8.4

Gravity: 13.06 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 1.12 AU - 1.12 AU

Year: 804 Days

Day: 5.7 Hours

Environment

Temp: -175 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 32,049,540 km

• M1: 104,419 km (0.108 R)
• M2: 409,300 km (0.088 R)
• M3: 837,299 km (0.075 R)
• M4: 1,316,162 km (0.091 R)
• M5: 1,640,041 km (0.072 R)
• M6: 2,077,017 km (0.116 R)
• M7: 2,361,851 km (0.063 R)
• M8: 2,819,920 km (0.113 R)
• M9: 3,308,207 km (0.079 R)
• M10: 3,609,647 km (0.077 R)
• M11: 4,334,897 km (0.095 R)
• M12: 4,803,887 km (0.108 R)
• M13: 5,267,939 km (0.093 R)
• M14: 6,009,346 km (0.109 R)
• M15: 7,190,122 km (0.043 R)
• M16: 8,075,891 km (0.103 R)
• M17: 8,895,389 km (0.119 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 181.3

Radius: 12.3

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 1.8 AU - 2.32 AU

Year: 2005 Days

Day: 7.7 Hours

Environment

Temp: -196 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 32,049,540 km

• M1: 155,133 km (0.096 R)
• M2: 732,132 km (0.057 R)
• M3: 1,259,614 km (0.077 R)
• M4: 1,744,162 km (0.083 R)
• M5: 2,128,329 km (0.111 R)
• M6: 3,059,576 km (0.087 R)
• M7: 4,732,379 km (0.084 R)
• M8: 7,306,659 km (0.078 R)
• M9: 7,957,410 km (0.105 R)
• M10: 8,430,289 km (0.111 R)
• M11: 9,490,489 km (0.07 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 644.2

Radius: 13.8

Gravity: 3.38 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 2.04 AU - 3.36 AU

Year: 3009 Days

Day: 11.7 Hours

Environment

Temp: -206 °C

Axial Tilt: 10.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 32,049,540 km

• M1: 171,589 km (0.064 R)
• M2: 943,963 km (0.116 R)
• M3: 1,402,779 km (0.093 R)
• M4: 2,865,398 km (0.108 R)
• M5: 6,719,488 km (0.077 R)
• M6: 7,785,073 km (0.069 R)
• M7: 8,681,763 km (0.032 R)
• M8: 13,336,800 km (0.083 R)
• M9: 18,734,889 km (0.087 R)
• M10: 20,775,853 km (0.116 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 867

Radius: 13.6

Gravity: 4.69 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 2.82 AU - 4.02 AU

Year: 4290 Days

Day: 11.5 Hours

Environment

Temp: -207 °C

Axial Tilt: 5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 32,049,540 km

• M1: 170,242 km (0.079 R)
• M2: 862,282 km (0.071 R)
• M3: 1,503,309 km (0.116 R)
• M4: 1,976,337 km (0.115 R)
• M5: 3,136,469 km (0.093 R)
• M6: 3,597,829 km (0.104 R)
• M7: 4,609,110 km (0.095 R)
• M8: 5,542,452 km (0.101 R)
• M9: 6,824,804 km (0.03 R)
• M10: 7,501,136 km (0.109 R)
• M11: 9,227,197 km (0.107 R)
• M12: 10,356,511 km (0.087 R)
• M13: 13,451,691 km (0.111 R)
• M14: 14,084,041 km (0.106 R)
• M15: 15,809,952 km (0.083 R)
• M16: 20,083,514 km (0.086 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 727.2

Radius: 14

Gravity: 3.71 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 4.68 AU - 5.52 AU

Year: 7812 Days

Day: 13.7 Hours

Environment

Temp: -227 °C

Axial Tilt: 10.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 32,049,540 km

• M1: 174,132 km (0.104 R)
• M2: 723,904 km (0.114 R)
• M3: 1,452,745 km (0.12 R)
• M4: 2,266,109 km (0.102 R)
• M5: 2,797,630 km (0.067 R)
• M6: 4,013,412 km (0.098 R)
• M7: 5,244,303 km (0.081 R)
• M8: 5,848,379 km (0.09 R)
• M9: 7,311,297 km (0.111 R)
• M10: 10,550,539 km (0.077 R)
• M11: 11,464,134 km (0.116 R)
• M12: 15,144,241 km (0.055 R)
• M13: 16,707,539 km (0.113 R)
• M14: 19,623,052 km (0.088 R)
• M15: 20,076,633 km (0.05 R)
• M16: 22,122,982 km (0.049 R)
• M17: 24,391,933 km (0.073 R)
• M18: 26,904,579 km (0.032 R)
• M19: 31,297,221 km (0.118 R)
• M20: 33,180,808 km (0.088 R)
• M21: 34,259,408 km (0.102 R)
• M22: 36,486,472 km (0.115 R)
• M23: 37,173,126 km (0.119 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.98 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 251.5

Radius: 3.7

Gravity: 18.37 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 5.32 AU - 8.64 AU

Year: 12508 Days

Day: 23.6 Hours

Environment

Temp: -222 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 32,049,540 km

• M1: 54,154 km (0.079 R)
• M2: 175,030 km (0.104 R)
• M3: 302,038 km (0.117 R)
• M4: 698,173 km (0.083 R)
• M5: 1,153,100 km (0.114 R)
• M6: 1,350,121 km (0.038 R)
• M7: 1,680,283 km (0.072 R)
• M8: 2,729,114 km (0.064 R)
• M9: 4,099,430 km (0.082 R)
• M10: 4,447,395 km (0.112 R)
• M11: 4,699,617 km (0.057 R)
• M12: 4,902,322 km (0.032 R)
• M13: 5,141,080 km (0.054 R)
• M14: 6,312,731 km (0.073 R)
• M15: 6,453,054 km (0.104 R)
• M16: 7,771,011 km (0.085 R)
• M17: 8,771,970 km (0.073 R)
• M18: 8,946,850 km (0.097 R)
• M19: 10,824,902 km (0.106 R)
• M20: 11,855,781 km (0.091 R)
• M21: 13,120,032 km (0.111 R)
• M22: 14,170,210 km (0.061 R)
• M23: 14,900,696 km (0.095 R)
• M24: 15,212,308 km (0.039 R)
• M25: 18,571,528 km (0.04 R)
• M26: 20,042,973 km (0.101 R)
• M27: 22,312,223 km (0.117 R)
• M28: 22,474,687 km (0.093 R)
• M29: 24,229,170 km (0.11 R)
• M30: 25,183,754 km (0.074 R)
• M31: 26,434,393 km (0.026 R)
• M32: 38,545,238 km (0.047 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 284.2

Radius: 5.5

Gravity: 9.4 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 6.19 AU - 8.65 AU

Year: 13709 Days

Day: 23.7 Hours

Environment

Temp: -231 °C

Axial Tilt: 47.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 32,049,540 km

• M1: 94,546 km (0.068 R)
• M2: 273,615 km (0.07 R)
• M3: 494,122 km (0.105 R)
• M4: 708,346 km (0.106 R)
• M5: 1,830,480 km (0.085 R)
• M6: 3,239,542 km (0.118 R)
• M7: 4,029,119 km (0.105 R)
• M8: 4,583,529 km (0.105 R)
• M9: 6,015,330 km (0.057 R)
• M10: 6,190,809 km (0.039 R)
• M11: 8,013,210 km (0.112 R)
• M12: 9,535,518 km (0.111 R)
• M13: 10,214,842 km (0.089 R)
• M14: 12,109,648 km (0.034 R)
• M15: 12,905,808 km (0.073 R)
• M16: 13,080,838 km (0.088 R)
• M17: 13,857,849 km (0.12 R)
• M18: 14,601,949 km (0.103 R)
• M19: 14,855,667 km (0.084 R)
• M20: 19,711,763 km (0.09 R)
• M21: 22,706,114 km (0.112 R)
• M22: 25,805,184 km (0.109 R)
• M23: 30,086,525 km (0.111 R)
• M24: 30,291,624 km (0.115 R)
• M25: 34,705,360 km (0.109 R)
• M26: 34,931,103 km (0.086 R)
• M27: 35,271,438 km (0.118 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7.59 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 101.8

Radius: 6.8

Gravity: 2.2 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 6.61 AU - 8.57 AU

Year: 14183 Days

Day: 22 Hours

Environment

Temp: -236 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 32,049,540 km

• M1: 84,672 km (0.1 R)
• M2: 314,305 km (0.047 R)
• M3: 608,415 km (0.054 R)
• M4: 824,583 km (0.041 R)
• M5: 1,132,007 km (0.076 R)
• M6: 1,420,133 km (0.073 R)
• M7: 2,385,787 km (0.058 R)
• M8: 2,661,645 km (0.049 R)
• M9: 2,939,449 km (0.045 R)
• M10: 3,216,205 km (0.079 R)
• M11: 3,686,391 km (0.069 R)
• M12: 4,399,973 km (0.063 R)
• M13: 7,375,773 km (0.079 R)
• M14: 8,701,809 km (0.114 R)
• M15: 10,046,993 km (0.073 R)
• M16: 10,313,726 km (0.05 R)
• M17: 11,670,878 km (0.03 R)
• M18: 12,165,149 km (0.098 R)
• M19: 13,732,187 km (0.117 R)
• M20: 14,005,951 km (0.109 R)
• M21: 15,370,583 km (0.102 R)
• M22: 15,844,509 km (0.09 R)
• M23: 17,135,090 km (0.077 R)
• M24: 17,644,620 km (0.099 R)
• M25: 28,809,259 km (0.087 R)
• M26: 31,194,298 km (0.099 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 181 - 12,700 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit