🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.54 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 673.8

Radius: 9.4

Gravity: 7.63 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 0.86 AU - 1.28 AU

Year: 751 Days

Day: 14.9 Hours

Environment

Temp: -187 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 55,430,733 km

• M1: 116,986 km (0.118 R)
• M2: 510,428 km (0.062 R)
• M3: 941,868 km (0.055 R)
• M4: 1,348,326 km (0.076 R)
• M5: 1,923,978 km (0.098 R)
• M6: 2,382,795 km (0.066 R)
• M7: 2,853,430 km (0.029 R)
• M8: 3,717,507 km (0.106 R)
• M9: 4,133,090 km (0.108 R)
• M10: 4,530,272 km (0.104 R)
• M11: 4,831,862 km (0.049 R)
• M12: 5,327,779 km (0.089 R)
• M13: 5,975,238 km (0.111 R)
• M14: 6,318,116 km (0.051 R)
• M15: 6,868,038 km (0.052 R)
• M16: 7,358,121 km (0.111 R)
• M17: 7,776,247 km (0.107 R)
• M18: 8,259,298 km (0.063 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 25.6

Radius: 8.7

Gravity: 0.34 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 0.87 AU - 1.35 AU

Year: 793 Days

Day: 7.3 Hours

Environment

Temp: -172 °C

Axial Tilt: 27 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 55,430,733 km

• M1: 678,875 km (0.067 R)
• M2: 1,028,336 km (0.066 R)
• M3: 1,720,376 km (0.094 R)
• M4: 2,144,785 km (0.102 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 210.5

Radius: 11.9

Gravity: 1.49 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 1.57 AU - 1.81 AU

Year: 1490 Days

Day: 8.2 Hours

Environment

Temp: -194 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 55,430,733 km

• M1: 154,684 km (0.06 R)
• M2: 541,395 km (0.108 R)
• M3: 1,391,111 km (0.105 R)
• M4: 1,769,593 km (0.099 R)
• M5: 2,331,483 km (0.116 R)
• M6: 3,047,907 km (0.111 R)
• M7: 4,658,777 km (0.03 R)
• M8: 5,043,094 km (0.096 R)
• M9: 5,936,343 km (0.045 R)
• M10: 7,767,570 km (0.068 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 132.6

Radius: 11.1

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 1.82 AU - 2.74 AU

Year: 2335 Days

Day: 8.2 Hours

Environment

Temp: -198 °C

Axial Tilt: 46.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 55,430,733 km

• M1: 138,079 km (0.064 R)
• M2: 494,271 km (0.064 R)
• M3: 945,907 km (0.078 R)
• M4: 1,307,186 km (0.095 R)
• M5: 1,665,473 km (0.083 R)
• M6: 2,493,198 km (0.105 R)
• M7: 3,217,102 km (0.084 R)
• M8: 3,697,162 km (0.12 R)
• M9: 4,568,270 km (0.027 R)
• M10: 5,176,685 km (0.115 R)
• M11: 5,880,094 km (0.103 R)
• M12: 6,784,114 km (0.085 R)
• M13: 8,270,668 km (0.111 R)
• M14: 9,062,489 km (0.056 R)
• M15: 10,483,220 km (0.056 R)

Asteroid Belt

Center: 3.36 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 4.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 305.5

Radius: 9.7

Gravity: 3.25 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 3.33 AU - 5.55 AU

Year: 6345 Days

Day: 7.3 Hours

Environment

Temp: -223 °C

Axial Tilt: 10.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 55,430,733 km

• M1: 121,025 km (0.074 R)
• M2: 479,012 km (0.081 R)
• M3: 1,079,349 km (0.078 R)
• M4: 1,754,783 km (0.056 R)
• M5: 2,336,719 km (0.101 R)
• M6: 3,024,121 km (0.108 R)
• M7: 3,326,907 km (0.041 R)
• M8: 4,798,053 km (0.063 R)
• M9: 5,106,374 km (0.085 R)
• M10: 5,538,113 km (0.1 R)
• M11: 6,382,892 km (0.103 R)
• M12: 7,277,787 km (0.114 R)
• M13: 9,236,771 km (0.115 R)
• M14: 11,478,345 km (0.115 R)
• M15: 12,315,944 km (0.115 R)
• M16: 13,394,245 km (0.109 R)
• M17: 14,481,223 km (0.063 R)
• M18: 18,908,572 km (0.113 R)
• M19: 19,551,245 km (0.067 R)
• M20: 23,130,224 km (0.106 R)
• M21: 23,643,046 km (0.094 R)
• M22: 24,163,646 km (0.096 R)
• M23: 25,771,076 km (0.08 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 741.5

Radius: 3.3

Gravity: 68.09 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 7.12 AU - 10.56 AU

Year: 17827 Days

Day: 21.9 Hours

Environment

Temp: -228 °C

Axial Tilt: 25.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 55,430,733 km

• M1: 41,289 km (0.111 R)
• M2: 159,920 km (0.114 R)
• M3: 270,772 km (0.115 R)
• M4: 498,909 km (0.078 R)
• M5: 920,924 km (0.114 R)
• M6: 1,157,439 km (0.102 R)
• M7: 1,297,462 km (0.118 R)
• M8: 1,402,181 km (0.079 R)
• M9: 1,860,100 km (0.12 R)
• M10: 2,092,874 km (0.12 R)
• M11: 2,258,629 km (0.093 R)
• M12: 6,587,093 km (0.11 R)
• M13: 6,763,619 km (0.049 R)
• M14: 7,218,696 km (0.039 R)
• M15: 7,645,498 km (0.102 R)
• M16: 9,299,303 km (0.073 R)
• M17: 10,034,427 km (0.119 R)
• M18: 10,209,456 km (0.056 R)
• M19: 11,428,380 km (0.107 R)
• M20: 16,862,522 km (0.094 R)
• M21: 17,443,561 km (0.105 R)
• M22: 19,901,154 km (0.065 R)
• M23: 25,058,990 km (0.112 R)
• M24: 28,289,406 km (0.115 R)
• M25: 30,064,235 km (0.077 R)
• M26: 30,185,110 km (0.089 R)
• M27: 32,163,841 km (0.079 R)
• M28: 34,889,963 km (0.109 R)
• M29: 38,473,281 km (0.111 R)
• M30: 38,758,714 km (0.093 R)
• M31: 42,142,767 km (0.097 R)
• M32: 43,984,168 km (0.063 R)
• M33: 48,987,768 km (0.054 R)
• M34: 57,648,587 km (0.084 R)
• M35: 60,876,460 km (0.109 R)
• M36: 63,027,976 km (0.035 R)
• M37: 67,275,210 km (0.109 R)
• M38: 72,141,329 km (0.109 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.57 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 195

Radius: 4.5

Gravity: 9.63 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 8.27 AU - 12.87 AU

Year: 23308 Days

Day: 23.2 Hours

Environment

Temp: -230 °C

Axial Tilt: 20.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 55,430,733 km

• M1: 61,784 km (0.052 R)
• M2: 309,219 km (0.075 R)
• M3: 472,879 km (0.066 R)
• M4: 3,240,739 km (0.084 R)
• M5: 3,956,864 km (0.111 R)
• M6: 5,102,035 km (0.039 R)
• M7: 7,488,271 km (0.083 R)
• M8: 14,572,179 km (0.111 R)
• M9: 17,010,774 km (0.107 R)
• M10: 18,565,245 km (0.103 R)
• M11: 21,421,069 km (0.099 R)
• M12: 26,233,183 km (0.062 R)
• M13: 26,638,594 km (0.113 R)
• M14: 29,266,879 km (0.114 R)
• M15: 33,585,171 km (0.106 R)
• M16: 35,400,391 km (0.118 R)
• M17: 49,972,421 km (0.091 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: 271 - 12,119 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit