🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 589.4

Radius: 12

Gravity: 4.09 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 0.4 AU - 0.64 AU

Year: 254 Days

Day: 6.5 Hours

Environment

Temp: -143 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 90,792,813 km

• M1: 149,299 km (0.053 R)
• M2: 550,670 km (0.085 R)
• M3: 972,685 km (0.05 R)
• M4: 1,347,278 km (0.113 R)
• M5: 1,768,995 km (0.098 R)
• M6: 2,142,989 km (0.081 R)
• M7: 2,553,785 km (0.066 R)
• M8: 2,979,840 km (0.086 R)
• M9: 3,442,995 km (0.089 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 415.5

Radius: 11.6

Gravity: 3.09 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 0.46 AU - 0.68 AU

Year: 292 Days

Day: 7.2 Hours

Environment

Temp: -154 °C

Axial Tilt: 6.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 90,792,813 km

• M1: 144,212 km (0.098 R)
• M2: 566,677 km (0.109 R)
• M3: 984,653 km (0.1 R)
• M4: 1,801,757 km (0.057 R)
• M5: 2,291,839 km (0.113 R)
• M6: 2,658,653 km (0.082 R)
• M7: 3,238,943 km (0.118 R)
• M8: 3,769,268 km (0.103 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 848.1

Radius: 13.9

Gravity: 4.39 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 0.56 AU - 0.58 AU

Year: 292 Days

Day: 9.9 Hours

Environment

Temp: -156 °C

Axial Tilt: 23.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 90,792,813 km

• M1: 172,935 km (0.088 R)
• M2: 719,865 km (0.092 R)
• M3: 1,164,171 km (0.042 R)
• M4: 1,929,513 km (0.097 R)
• M5: 3,358,323 km (0.099 R)
• M6: 4,019,844 km (0.088 R)
• M7: 4,698,121 km (0.09 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 385.4

Radius: 10.8

Gravity: 3.3 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 1.37 AU - 1.55 AU

Year: 1197 Days

Day: 6.5 Hours

Environment

Temp: -195 °C

Axial Tilt: 10 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 90,792,813 km

• M1: 134,339 km (0.103 R)
• M2: 533,616 km (0.072 R)
• M3: 882,328 km (0.111 R)
• M4: 1,391,111 km (0.086 R)
• M5: 2,060,411 km (0.108 R)
• M6: 2,560,218 km (0.096 R)
• M7: 3,139,611 km (0.104 R)
• M8: 4,083,423 km (0.081 R)
• M9: 4,510,376 km (0.043 R)
• M10: 5,169,205 km (0.112 R)
• M11: 5,590,772 km (0.064 R)
• M12: 6,972,158 km (0.066 R)
• M13: 7,487,673 km (0.096 R)
• M14: 8,028,469 km (0.093 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 740.3

Radius: 15

Gravity: 3.29 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 2.3 AU - 2.94 AU

Year: 2876 Days

Day: 13.4 Hours

Environment

Temp: -201 °C

Axial Tilt: 14.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 90,792,813 km

• M1: 186,549 km (0.097 R)
• M2: 663,018 km (0.066 R)
• M3: 1,324,988 km (0.109 R)
• M4: 2,084,198 km (0.059 R)
• M5: 2,551,092 km (0.1 R)
• M6: 3,349,796 km (0.072 R)
• M7: 4,484,047 km (0.04 R)
• M8: 5,861,544 km (0.08 R)
• M9: 6,548,348 km (0.104 R)
• M10: 7,166,486 km (0.12 R)
• M11: 7,953,072 km (0.118 R)
• M12: 9,294,516 km (0.118 R)
• M13: 11,562,120 km (0.08 R)
• M14: 14,914,309 km (0.072 R)
• M15: 15,419,202 km (0.092 R)
• M16: 16,570,208 km (0.112 R)
• M17: 18,750,896 km (0.063 R)
• M18: 19,399,104 km (0.073 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 699

Radius: 10.9

Gravity: 5.88 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 4.35 AU - 5.85 AU

Year: 7812 Days

Day: 14.3 Hours

Environment

Temp: -225 °C

Axial Tilt: 1.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 90,792,813 km

• M1: 135,536 km (0.107 R)
• M2: 594,053 km (0.054 R)
• M3: 1,226,104 km (0.049 R)
• M4: 1,628,522 km (0.034 R)
• M5: 3,051,348 km (0.104 R)
• M6: 3,978,406 km (0.07 R)
• M7: 4,507,683 km (0.104 R)
• M8: 5,643,280 km (0.105 R)
• M9: 8,556,849 km (0.119 R)
• M10: 11,390,980 km (0.097 R)
• M11: 11,757,944 km (0.108 R)
• M12: 12,906,706 km (0.103 R)
• M13: 13,654,396 km (0.092 R)
• M14: 14,128,621 km (0.051 R)
• M15: 16,667,148 km (0.082 R)
• M16: 18,114,806 km (0.119 R)
• M17: 20,711,376 km (0.108 R)
• M18: 21,656,087 km (0.086 R)
• M19: 22,711,650 km (0.025 R)
• M20: 23,378,108 km (0.12 R)
• M21: 24,749,921 km (0.113 R)
• M22: 25,189,439 km (0.099 R)
• M23: 26,174,840 km (0.117 R)
• M24: 29,285,130 km (0.112 R)
• M25: 32,844,512 km (0.079 R)
• M26: 33,912,192 km (0.043 R)
• M27: 36,910,432 km (0.113 R)
• M28: 38,064,281 km (0.095 R)
• M29: 39,720,030 km (0.059 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 19.2

Radius: 5.8

Gravity: 0.57 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 5.35 AU - 6.19 AU

Year: 9401 Days

Day: 20.2 Hours

Environment

Temp: -228 °C

Axial Tilt: 8.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 90,792,813 km

• M1: 195,375 km (0.116 R)
• M2: 2,285,407 km (0.085 R)
• M3: 3,836,886 km (0.079 R)
• M4: 4,050,362 km (0.094 R)
• M5: 5,546,491 km (0.09 R)
• M6: 6,054,375 km (0.029 R)
• M7: 10,004,208 km (0.066 R)
• M8: 11,289,104 km (0.091 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 102.7

Radius: 7.2

Gravity: 1.98 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 6.66 AU - 7.22 AU

Year: 12400 Days

Day: 19.2 Hours

Environment

Temp: -223 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 90,792,813 km

• M1: 93,947 km (0.118 R)
• M2: 479,611 km (0.064 R)
• M3: 2,036,027 km (0.084 R)
• M4: 2,435,453 km (0.058 R)
• M5: 3,190,324 km (0.115 R)
• M6: 3,953,573 km (0.041 R)
• M7: 4,501,400 km (0.112 R)
• M8: 5,098,744 km (0.061 R)
• M9: 6,546,104 km (0.111 R)
• M10: 7,208,972 km (0.091 R)
• M11: 8,941,914 km (0.098 R)
• M12: 10,980,783 km (0.107 R)
• M13: 13,834,811 km (0.084 R)
• M14: 26,338,949 km (0.062 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 869.9

Radius: 3.8

Gravity: 60.24 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 6.58 AU - 7.78 AU

Year: 13049 Days

Day: 19.9 Hours

Environment

Temp: -235 °C

Axial Tilt: 44.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 90,792,813 km

• M1: 47,423 km (0.083 R)
• M2: 177,124 km (0.102 R)
• M3: 300,991 km (0.087 R)
• M4: 882,179 km (0.041 R)
• M5: 1,110,914 km (0.105 R)
• M6: 2,841,761 km (0.092 R)
• M7: 2,961,140 km (0.115 R)
• M8: 3,609,348 km (0.111 R)
• M9: 3,981,547 km (0.045 R)
• M10: 4,284,782 km (0.03 R)
• M11: 5,997,678 km (0.1 R)
• M12: 7,289,455 km (0.075 R)
• M13: 8,263,188 km (0.103 R)
• M14: 8,958,519 km (0.076 R)
• M15: 9,584,885 km (0.077 R)
• M16: 11,699,601 km (0.092 R)
• M17: 13,762,855 km (0.053 R)
• M18: 14,383,985 km (0.098 R)
• M19: 14,666,126 km (0.078 R)
• M20: 17,531,973 km (0.111 R)
• M21: 17,853,758 km (0.037 R)
• M22: 18,592,173 km (0.096 R)
• M23: 21,657,733 km (0.088 R)
• M24: 21,935,237 km (0.049 R)
• M25: 23,649,927 km (0.119 R)
• M26: 25,760,903 km (0.075 R)
• M27: 28,544,321 km (0.101 R)
• M28: 30,122,878 km (0.089 R)
• M29: 37,816,247 km (0.117 R)
• M30: 44,153,662 km (0.101 R)
• M31: 44,450,614 km (0.055 R)
• M32: 45,349,697 km (0.08 R)
• M33: 46,567,124 km (0.115 R)
• M34: 48,119,352 km (0.061 R)
• M35: 49,226,227 km (0.093 R)
• M36: 54,502,992 km (0.098 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 956.4

Radius: 3.1

Gravity: 99.52 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 8.12 AU - 12.26 AU

Year: 22062 Days

Day: 18.6 Hours

Environment

Temp: -226 °C

Axial Tilt: 8.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 90,792,813 km

• M1: 90,507 km (0.096 R)
• M2: 321,037 km (0.093 R)
• M3: 867,069 km (0.071 R)
• M4: 1,157,289 km (0.088 R)
• M5: 1,670,709 km (0.114 R)
• M6: 1,864,887 km (0.087 R)
• M7: 2,009,548 km (0.069 R)
• M8: 2,206,419 km (0.1 R)
• M9: 2,392,220 km (0.106 R)
• M10: 3,125,249 km (0.067 R)
• M11: 3,270,359 km (0.099 R)
• M12: 3,605,608 km (0.086 R)
• M13: 4,598,339 km (0.118 R)
• M14: 5,018,410 km (0.09 R)
• M15: 5,177,283 km (0.082 R)
• M16: 7,457,454 km (0.113 R)
• M17: 8,929,946 km (0.084 R)
• M18: 9,222,410 km (0.083 R)
• M19: 10,847,042 km (0.113 R)
• M20: 12,077,186 km (0.104 R)
• M21: 12,290,961 km (0.115 R)
• M22: 13,935,790 km (0.104 R)
• M23: 15,220,237 km (0.052 R)
• M24: 16,845,618 km (0.053 R)
• M25: 25,424,906 km (0.086 R)
• M26: 25,541,592 km (0.114 R)
• M27: 27,090,379 km (0.042 R)
• M28: 28,198,600 km (0.08 R)
• M29: 37,263,483 km (0.076 R)
• M30: 38,632,603 km (0.082 R)
• M31: 40,192,909 km (0.089 R)
• M32: 40,351,183 km (0.08 R)
• M33: 41,956,967 km (0.077 R)
• M34: 42,447,049 km (0.113 R)
• M35: 47,381,386 km (0.093 R)
• M36: 48,269,099 km (0.095 R)
• M37: 58,980,008 km (0.115 R)
• M38: 60,213,592 km (0.108 R)
• M39: 68,203,165 km (0.087 R)
• M40: 73,746,066 km (0.09 R)
• M41: 82,356,171 km (0.148 R)
• M42: 87,034,246 km (0.101 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: 289 - 16,982 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit