🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.61 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 666

Radius: 12

Gravity: 4.63 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 1.06 AU - 1.38 AU

Year: 870 Days

Day: 11.2 Hours

Environment

Temp: -160 °C

Axial Tilt: 13.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 61,979,902 km

• M1: 149,299 km (0.117 R)
• M2: 617,690 km (0.11 R)
• M3: 1,048,083 km (0.051 R)
• M4: 1,634,357 km (0.107 R)
• M5: 2,023,910 km (0.09 R)
• M6: 2,454,303 km (0.078 R)
• M7: 3,364,007 km (0.077 R)
• M8: 3,897,324 km (0.052 R)
• M9: 4,469,685 km (0.061 R)
• M10: 5,134,199 km (0.069 R)
• M11: 6,530,246 km (0.102 R)
• M12: 7,293,495 km (0.112 R)
• M13: 8,190,483 km (0.104 R)
• M14: 8,810,866 km (0.093 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 223.3

Radius: 8.9

Gravity: 2.82 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 1.25 AU - 2.05 AU

Year: 1368 Days

Day: 7.3 Hours

Environment

Temp: -175 °C

Axial Tilt: 21.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 61,979,902 km

• M1: 110,852 km (0.03 R)
• M2: 399,426 km (0.12 R)
• M3: 711,188 km (0.087 R)
• M4: 1,285,345 km (0.056 R)
• M5: 1,621,641 km (0.056 R)
• M6: 2,806,456 km (0.051 R)
• M7: 3,434,318 km (0.115 R)
• M8: 4,539,398 km (0.084 R)
• M9: 4,845,026 km (0.101 R)
• M10: 5,404,073 km (0.096 R)
• M11: 6,025,353 km (0.082 R)
• M12: 7,456,706 km (0.097 R)
• M13: 7,739,595 km (0.078 R)
• M14: 8,127,802 km (0.099 R)
• M15: 8,682,810 km (0.111 R)

Asteroid Belt

Center: 2.05 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 2.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 610.9

Radius: 10

Gravity: 6.11 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 2.29 AU - 2.59 AU

Year: 2461 Days

Day: 12.9 Hours

Environment

Temp: -186 °C

Axial Tilt: 16.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 61,979,902 km

• M1: 125,213 km (0.054 R)
• M2: 558,748 km (0.094 R)
• M3: 895,942 km (0.086 R)
• M4: 1,224,907 km (0.116 R)
• M5: 1,585,139 km (0.106 R)
• M6: 2,400,747 km (0.107 R)
• M7: 2,818,424 km (0.064 R)
• M8: 3,335,584 km (0.037 R)
• M9: 3,689,981 km (0.107 R)
• M10: 4,030,615 km (0.117 R)
• M11: 4,908,157 km (0.058 R)
• M12: 5,609,471 km (0.102 R)
• M13: 6,322,904 km (0.087 R)
• M14: 6,729,361 km (0.101 R)
• M15: 7,269,260 km (0.119 R)
• M16: 8,500,450 km (0.119 R)
• M17: 9,063,836 km (0.119 R)
• M18: 9,829,627 km (0.118 R)
• M19: 10,487,858 km (0.082 R)
• M20: 10,866,041 km (0.08 R)
• M21: 12,470,778 km (0.065 R)
• M22: 13,024,739 km (0.079 R)
• M23: 14,645,033 km (0.09 R)
• M24: 16,144,303 km (0.106 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 727.6

Radius: 12.7

Gravity: 4.51 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 2.24 AU - 2.8 AU

Year: 2583 Days

Day: 10.1 Hours

Environment

Temp: -192 °C

Axial Tilt: 23.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 61,979,902 km

• M1: 158,574 km (0.115 R)
• M2: 858,692 km (0.107 R)
• M3: 1,494,333 km (0.095 R)
• M4: 1,999,376 km (0.102 R)
• M5: 2,892,924 km (0.069 R)
• M6: 4,282,089 km (0.073 R)
• M7: 4,757,511 km (0.096 R)
• M8: 5,789,438 km (0.074 R)
• M9: 7,750,067 km (0.058 R)
• M10: 10,119,997 km (0.028 R)
• M11: 11,007,561 km (0.11 R)
• M12: 11,946,437 km (0.101 R)
• M13: 12,630,399 km (0.079 R)
• M14: 14,550,786 km (0.105 R)
• M15: 16,294,050 km (0.119 R)
• M16: 17,243,099 km (0.089 R)
• M17: 19,135,662 km (0.065 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 135.3

Radius: 11.5

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 3.94 AU - 4.76 AU

Year: 5858 Days

Day: 5.9 Hours

Environment

Temp: -210 °C

Axial Tilt: 71 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 61,979,902 km

• M1: 168,148 km (0.105 R)
• M2: 749,336 km (0.084 R)
• M3: 1,117,795 km (0.101 R)
• M4: 1,499,719 km (0.1 R)
• M5: 2,019,122 km (0.115 R)
• M6: 3,014,995 km (0.111 R)
• M7: 4,007,129 km (0.068 R)
• M8: 8,360,427 km (0.084 R)
• M9: 11,724,135 km (0.09 R)
• M10: 15,004,966 km (0.114 R)
• M11: 18,458,582 km (0.087 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 90.2

Radius: 10.6

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 4.7 AU - 5.1 AU

Year: 7003 Days

Day: 14.4 Hours

Environment

Temp: -211 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 61,979,902 km

• M1: 132,843 km (0.1 R)
• M2: 495,319 km (0.067 R)
• M3: 889,210 km (0.076 R)
• M4: 1,326,933 km (0.104 R)
• M5: 1,682,378 km (0.109 R)
• M6: 2,959,195 km (0.1 R)
• M7: 3,504,031 km (0.108 R)
• M8: 4,424,507 km (0.081 R)
• M9: 6,297,771 km (0.085 R)
• M10: 7,592,541 km (0.083 R)
• M11: 8,286,525 km (0.084 R)
• M12: 11,902,755 km (0.088 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.89 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 505.6

Radius: 7.4

Gravity: 9.23 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 7.09 AU - 10.69 AU

Year: 17115 Days

Day: 19.4 Hours

Environment

Temp: -224 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 61,979,902 km

• M1: 95,144 km (0.083 R)
• M2: 370,105 km (0.082 R)
• M3: 1,179,729 km (0.079 R)
• M4: 1,479,972 km (0.081 R)
• M5: 1,779,766 km (0.082 R)
• M6: 2,979,541 km (0.097 R)
• M7: 4,709,939 km (0.068 R)
• M8: 5,046,983 km (0.099 R)
• M9: 5,508,942 km (0.055 R)
• M10: 5,807,090 km (0.109 R)
• M11: 7,022,274 km (0.069 R)
• M12: 9,047,380 km (0.12 R)
• M13: 10,501,322 km (0.04 R)
• M14: 10,902,394 km (0.108 R)
• M15: 11,313,638 km (0.111 R)
• M16: 11,735,205 km (0.083 R)
• M17: 14,208,656 km (0.113 R)
• M18: 17,245,343 km (0.059 R)
• M19: 17,884,575 km (0.05 R)
• M20: 19,210,162 km (0.073 R)
• M21: 19,551,544 km (0.098 R)
• M22: 19,896,966 km (0.037 R)
• M23: 20,246,426 km (0.08 R)
• M24: 23,384,541 km (0.095 R)
• M25: 23,970,067 km (0.085 R)
• M26: 27,690,566 km (0.106 R)
• M27: 28,899,915 km (0.115 R)
• M28: 29,687,548 km (0.095 R)
• M29: 31,071,029 km (0.106 R)
• M30: 31,423,482 km (0.095 R)
• M31: 35,351,024 km (0.097 R)
• M32: 35,606,836 km (0.106 R)
• M33: 38,367,815 km (0.088 R)
• M34: 44,015,882 km (0.047 R)
• M35: 54,334,695 km (0.103 R)
• M36: 56,052,976 km (0.106 R)
• M37: 56,925,580 km (0.073 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 488 - 13,911 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit