🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.57 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 255.6

Radius: 11.6

Gravity: 1.9 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 1.06 AU - 1.2 AU

Year: 829 Days

Day: 12.4 Hours

Environment

Temp: -184 °C

Axial Tilt: 24 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 64,488,071 km

• M1: 146,606 km (0.093 R)
• M2: 539,749 km (0.117 R)
• M3: 1,036,264 km (0.083 R)
• M4: 1,586,635 km (0.096 R)
• M5: 1,989,203 km (0.095 R)
• M6: 2,373,819 km (0.115 R)
• M7: 2,906,088 km (0.051 R)
• M8: 3,467,080 km (0.102 R)
• M9: 4,043,780 km (0.103 R)
• M10: 4,729,537 km (0.114 R)
• M11: 5,339,447 km (0.082 R)
• M12: 5,929,012 km (0.055 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 540.6

Radius: 13.2

Gravity: 3.1 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 1.91 AU - 2.39 AU

Year: 2176 Days

Day: 11.9 Hours

Environment

Temp: -193 °C

Axial Tilt: 49.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 64,488,071 km

• M1: 164,258 km (0.087 R)
• M2: 749,785 km (0.081 R)
• M3: 1,217,876 km (0.091 R)
• M4: 2,356,017 km (0.111 R)
• M5: 3,024,869 km (0.064 R)
• M6: 4,600,883 km (0.059 R)
• M7: 5,020,505 km (0.068 R)
• M8: 7,099,466 km (0.026 R)
• M9: 7,778,341 km (0.078 R)
• M10: 8,562,234 km (0.068 R)
• M11: 10,608,883 km (0.091 R)
• M12: 11,047,055 km (0.117 R)
• M13: 13,720,219 km (0.098 R)
• M14: 14,595,516 km (0.109 R)
• M15: 15,647,788 km (0.081 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 272.7

Radius: 10.7

Gravity: 2.38 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 3.05 AU - 4.53 AU

Year: 5093 Days

Day: 12.2 Hours

Environment

Temp: -226 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 64,488,071 km

• M1: 134,189 km (0.082 R)
• M2: 988,692 km (0.08 R)
• M3: 1,379,143 km (0.117 R)
• M4: 2,050,388 km (0.116 R)
• M5: 2,763,073 km (0.067 R)
• M6: 3,872,640 km (0.075 R)
• M7: 5,749,495 km (0.113 R)
• M8: 6,916,957 km (0.119 R)
• M9: 14,955,449 km (0.118 R)
• M10: 18,938,492 km (0.031 R)
• M11: 20,096,978 km (0.098 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 531.3

Radius: 10.2

Gravity: 5.11 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 3.78 AU - 4.2 AU

Year: 5501 Days

Day: 9.8 Hours

Environment

Temp: -213 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 64,488,071 km

• M1: 143,016 km (0.118 R)
• M2: 549,323 km (0.112 R)
• M3: 890,407 km (0.085 R)
• M4: 1,223,860 km (0.037 R)
• M5: 1,716,935 km (0.026 R)
• M6: 2,567,099 km (0.12 R)
• M7: 3,222,787 km (0.058 R)
• M8: 3,676,218 km (0.109 R)
• M9: 4,460,560 km (0.12 R)
• M10: 5,724,063 km (0.101 R)
• M11: 6,842,457 km (0.113 R)
• M12: 7,314,737 km (0.108 R)
• M13: 11,392,925 km (0.082 R)
• M14: 12,697,269 km (0.105 R)
• M15: 13,307,778 km (0.112 R)
• M16: 13,831,520 km (0.093 R)
• M17: 15,428,178 km (0.1 R)
• M18: 15,889,538 km (0.092 R)
• M19: 17,639,534 km (0.083 R)
• M20: 18,335,613 km (0.068 R)
• M21: 22,094,558 km (0.109 R)
• M22: 24,347,353 km (0.07 R)
• M23: 25,529,176 km (0.091 R)
• M24: 26,831,575 km (0.116 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 840.8

Radius: 9.1

Gravity: 10.15 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 4.27 AU - 4.63 AU

Year: 6480 Days

Day: 6.4 Hours

Environment

Temp: -217 °C

Axial Tilt: 26.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 64,488,071 km

• M1: 113,096 km (0.087 R)
• M2: 585,526 km (0.06 R)
• M3: 936,333 km (0.083 R)
• M4: 1,322,296 km (0.052 R)
• M5: 2,166,327 km (0.077 R)
• M6: 2,492,600 km (0.106 R)
• M7: 3,288,909 km (0.064 R)
• M8: 3,794,251 km (0.068 R)
• M9: 4,511,573 km (0.089 R)
• M10: 5,721,371 km (0.104 R)
• M11: 6,146,677 km (0.083 R)
• M12: 6,663,538 km (0.116 R)
• M13: 7,024,069 km (0.096 R)
• M14: 7,473,760 km (0.111 R)
• M15: 8,225,190 km (0.098 R)
• M16: 8,767,632 km (0.059 R)
• M17: 9,924,024 km (0.081 R)
• M18: 11,079,069 km (0.098 R)
• M19: 12,645,957 km (0.097 R)
• M20: 13,943,270 km (0.071 R)
• M21: 15,829,549 km (0.053 R)
• M22: 18,296,418 km (0.099 R)
• M23: 19,004,764 km (0.08 R)
• M24: 23,149,523 km (0.08 R)
• M25: 24,062,070 km (0.09 R)
• M26: 24,569,805 km (0.089 R)
• M27: 27,491,002 km (0.103 R)
• M28: 29,658,975 km (0.095 R)
• M29: 30,933,399 km (0.113 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 663.7

Radius: 5.4

Gravity: 22.76 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 6.94 AU - 9.22 AU

Year: 15854 Days

Day: 18.1 Hours

Environment

Temp: -240 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 64,488,071 km

• M1: 67,618 km (0.076 R)
• M2: 361,877 km (0.115 R)
• M3: 614,099 km (0.067 R)
• M4: 850,913 km (0.113 R)
• M5: 1,421,629 km (0.071 R)
• M6: 1,720,974 km (0.056 R)
• M7: 2,924,938 km (0.075 R)
• M8: 3,356,827 km (0.068 R)
• M9: 3,546,517 km (0.092 R)
• M10: 3,917,968 km (0.065 R)
• M11: 5,820,853 km (0.09 R)
• M12: 7,191,618 km (0.077 R)
• M13: 8,168,193 km (0.049 R)
• M14: 8,612,649 km (0.097 R)
• M15: 9,712,343 km (0.057 R)
• M16: 11,810,004 km (0.113 R)
• M17: 12,964,301 km (0.043 R)
• M18: 13,843,338 km (0.067 R)
• M19: 14,546,149 km (0.078 R)
• M20: 15,125,242 km (0.086 R)
• M21: 19,269,552 km (0.045 R)
• M22: 20,502,388 km (0.117 R)
• M23: 21,230,032 km (0.108 R)
• M24: 22,163,523 km (0.062 R)
• M25: 28,123,652 km (0.076 R)
• M26: 32,681,001 km (0.103 R)
• M27: 33,298,691 km (0.098 R)
• M28: 35,069,481 km (0.109 R)
• M29: 37,706,891 km (0.044 R)
• M30: 41,042,475 km (0.119 R)
• M31: 41,328,955 km (0.092 R)
• M32: 47,658,890 km (0.109 R)
• M33: 52,051,831 km (0.11 R)
• M34: 57,419,552 km (0.076 R)
• M35: 62,196,661 km (0.067 R)
• M36: 62,764,385 km (0.096 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 412 - 18,513 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit