🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 353.3

Radius: 10.7

Gravity: 3.09 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 0.61 AU - 0.87 AU

Year: 432 Days

Day: 13 Hours

Environment

Temp: -151 °C

Axial Tilt: 128.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 77,668,865 km

• M1: 133,441 km (0.115 R)
• M2: 532,868 km (0.097 R)
• M3: 885,619 km (0.119 R)
• M4: 1,466,957 km (0.115 R)
• M5: 2,127,581 km (0.105 R)
• M6: 2,612,876 km (0.117 R)
• M7: 2,976,698 km (0.08 R)
• M8: 3,407,241 km (0.044 R)
• M9: 3,964,194 km (0.113 R)
• M10: 4,394,587 km (0.083 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 369.4

Radius: 14.1

Gravity: 1.86 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 0.91 AU - 1.23 AU

Year: 751 Days

Day: 11.9 Hours

Environment

Temp: -172 °C

Axial Tilt: 12.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 77,668,865 km

• M1: 175,478 km (0.067 R)
• M2: 709,692 km (0.058 R)
• M3: 1,351,168 km (0.032 R)
• M4: 2,059,813 km (0.104 R)
• M5: 2,546,754 km (0.041 R)
• M6: 3,076,331 km (0.034 R)
• M7: 3,989,326 km (0.09 R)
• M8: 4,494,967 km (0.089 R)
• M9: 5,531,680 km (0.111 R)
• M10: 6,371,074 km (0.107 R)
• M11: 6,842,008 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 337.7

Radius: 13.1

Gravity: 1.97 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 1.05 AU - 1.15 AU

Year: 782 Days

Day: 13.1 Hours

Environment

Temp: -176 °C

Axial Tilt: 44.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 77,668,865 km

• M1: 162,912 km (0.115 R)
• M2: 747,092 km (0.051 R)
• M3: 1,192,893 km (0.07 R)
• M4: 2,125,337 km (0.065 R)
• M5: 2,656,260 km (0.117 R)
• M6: 3,323,915 km (0.08 R)
• M7: 3,838,233 km (0.109 R)
• M8: 4,258,752 km (0.098 R)
• M9: 4,996,270 km (0.064 R)
• M10: 6,866,692 km (0.088 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 192.9

Radius: 9.5

Gravity: 2.14 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 1.04 AU - 1.52 AU

Year: 982 Days

Day: 6.5 Hours

Environment

Temp: -176 °C

Axial Tilt: 13.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 77,668,865 km

• M1: 118,182 km (0.116 R)
• M2: 651,499 km (0.116 R)
• M3: 1,309,430 km (0.087 R)
• M4: 2,229,906 km (0.052 R)
• M5: 3,224,133 km (0.046 R)
• M6: 4,534,760 km (0.062 R)
• M7: 5,540,507 km (0.104 R)
• M8: 6,003,961 km (0.083 R)
• M9: 6,339,958 km (0.106 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 61.3

Radius: 11.5

Gravity: 0.46 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 1.41 AU - 1.55 AU

Year: 1221 Days

Day: 11.4 Hours

Environment

Temp: -190 °C

Axial Tilt: 2.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 77,668,865 km

• M1: 161,715 km (0.12 R)
• M2: 613,950 km (0.085 R)
• M3: 1,054,366 km (0.096 R)
• M4: 1,482,664 km (0.111 R)
• M5: 2,396,857 km (0.046 R)
• M6: 2,994,650 km (0.051 R)
• M7: 3,363,409 km (0.11 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 401.8

Radius: 9.7

Gravity: 4.27 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 3.83 AU - 5.67 AU

Year: 7022 Days

Day: 9.1 Hours

Environment

Temp: -229 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 77,668,865 km

• M1: 120,725 km (0.118 R)
• M2: 434,432 km (0.09 R)
• M3: 784,491 km (0.075 R)
• M4: 1,361,789 km (0.109 R)
• M5: 2,377,559 km (0.109 R)
• M6: 4,067,716 km (0.044 R)
• M7: 4,408,649 km (0.09 R)
• M8: 6,186,620 km (0.102 R)
• M9: 6,975,450 km (0.09 R)
• M10: 8,515,260 km (0.081 R)
• M11: 9,323,238 km (0.07 R)
• M12: 10,905,236 km (0.094 R)
• M13: 11,470,267 km (0.111 R)
• M14: 12,761,446 km (0.101 R)
• M15: 15,163,240 km (0.054 R)
• M16: 16,593,097 km (0.084 R)
• M17: 17,787,187 km (0.093 R)
• M18: 20,914,231 km (0.071 R)
• M19: 22,456,585 km (0.076 R)
• M20: 27,970,763 km (0.102 R)
• M21: 28,408,636 km (0.102 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 436.7

Radius: 9.8

Gravity: 4.55 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 3.84 AU - 6.28 AU

Year: 7720 Days

Day: 9.5 Hours

Environment

Temp: -230 °C

Axial Tilt: 43 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 77,668,865 km

• M1: 122,670 km (0.075 R)
• M2: 594,203 km (0.055 R)
• M3: 922,720 km (0.111 R)
• M4: 1,376,450 km (0.097 R)
• M5: 2,648,481 km (0.093 R)
• M6: 3,211,717 km (0.116 R)
• M7: 3,645,251 km (0.076 R)
• M8: 4,738,064 km (0.115 R)
• M9: 5,127,916 km (0.063 R)
• M10: 5,539,160 km (0.097 R)
• M11: 8,090,702 km (0.055 R)
• M12: 8,731,130 km (0.091 R)
• M13: 9,578,752 km (0.037 R)
• M14: 12,244,137 km (0.076 R)
• M15: 15,488,915 km (0.119 R)
• M16: 16,163,152 km (0.056 R)
• M17: 19,902,950 km (0.108 R)
• M18: 22,590,026 km (0.054 R)
• M19: 23,139,350 km (0.096 R)
• M20: 23,858,616 km (0.095 R)
• M21: 25,510,177 km (0.106 R)
• M22: 26,885,430 km (0.117 R)
• M23: 28,309,303 km (0.047 R)
• M24: 33,587,864 km (0.068 R)
• M25: 34,200,616 km (0.073 R)
• M26: 34,717,028 km (0.103 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 923.3

Radius: 3

Gravity: 102.59 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 8.1 AU - 9.54 AU

Year: 17766 Days

Day: 17.1 Hours

Environment

Temp: -231 °C

Axial Tilt: 48.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 77,668,865 km

• M1: 39,195 km (0.058 R)
• M2: 211,831 km (0.036 R)
• M3: 460,612 km (0.107 R)
• M4: 696,378 km (0.119 R)
• M5: 1,006,644 km (0.063 R)
• M6: 1,137,542 km (0.076 R)
• M7: 1,309,430 km (0.076 R)
• M8: 1,482,066 km (0.052 R)
• M9: 1,705,266 km (0.06 R)
• M10: 2,010,147 km (0.069 R)
• M11: 2,395,062 km (0.104 R)
• M12: 2,629,183 km (0.052 R)
• M13: 5,830,128 km (0.067 R)
• M14: 6,339,659 km (0.099 R)
• M15: 6,695,402 km (0.081 R)
• M16: 9,510,236 km (0.106 R)
• M17: 10,395,855 km (0.12 R)
• M18: 10,641,046 km (0.097 R)
• M19: 11,270,853 km (0.108 R)
• M20: 12,397,774 km (0.102 R)
• M21: 12,535,105 km (0.1 R)
• M22: 17,485,448 km (0.085 R)
• M23: 18,990,253 km (0.113 R)
• M24: 20,483,539 km (0.105 R)
• M25: 20,579,281 km (0.106 R)
• M26: 21,160,619 km (0.118 R)
• M27: 23,386,037 km (0.088 R)
• M28: 24,339,574 km (0.086 R)
• M29: 25,099,082 km (0.11 R)
• M30: 25,873,999 km (0.088 R)
• M31: 25,986,048 km (0.072 R)
• M32: 30,862,041 km (0.059 R)
• M33: 32,137,512 km (0.091 R)
• M34: 39,043,997 km (0.032 R)
• M35: 49,587,805 km (0.103 R)
• M36: 52,222,971 km (0.085 R)
• M37: 66,177,161 km (0.101 R)
• M38: 68,720,774 km (0.032 R)
• M39: 72,880,043 km (0.224 R)
• M40: 73,551,738 km (0.196 R)
• M41: 76,741,015 km (0.111 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 228 - 12,610 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit