🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.16

Radius: 1.36

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 0.52 AU - 0.54 AU

Year: 253 Days

Day: 12.2 Hours

Environment

Temp: -114 °C

Axial Tilt: 25.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 537

Radius: 9.8

Gravity: 5.59 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 0.72 AU - 0.92 AU

Year: 487 Days

Day: 12.5 Hours

Environment

Temp: -138 °C

Axial Tilt: 23.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 82,908,289 km

• M1: 121,922 km (0.103 R)
• M2: 453,880 km (0.111 R)
• M3: 933,640 km (0.05 R)
• M4: 1,531,284 km (0.054 R)
• M5: 2,034,980 km (0.109 R)
• M6: 2,451,760 km (0.101 R)
• M7: 3,531,407 km (0.076 R)
• M8: 4,588,017 km (0.058 R)
• M9: 4,962,909 km (0.072 R)
• M10: 5,277,514 km (0.076 R)
• M11: 5,808,736 km (0.048 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 35.6

Radius: 12.4

Gravity: 0.23 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 1.67 AU - 1.83 AU

Year: 1519 Days

Day: 12.6 Hours

Environment

Temp: -194 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 82,908,289 km

• M1: 154,235 km (0.117 R)
• M2: 852,409 km (0.09 R)
• M3: 1,242,111 km (0.025 R)
• M4: 1,741,170 km (0.087 R)
• M5: 2,533,590 km (0.082 R)
• M6: 2,946,928 km (0.118 R)
• M7: 3,530,510 km (0.116 R)
• M8: 4,242,147 km (0.088 R)
• M9: 5,047,432 km (0.105 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 696.2

Radius: 9.9

Gravity: 7.1 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 3.38 AU - 3.98 AU

Year: 4631 Days

Day: 6.7 Hours

Environment

Temp: -208 °C

Axial Tilt: 49.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 82,908,289 km

• M1: 124,017 km (0.092 R)
• M2: 486,492 km (0.105 R)
• M3: 809,324 km (0.089 R)
• M4: 1,164,769 km (0.118 R)
• M5: 1,840,203 km (0.058 R)
• M6: 2,603,452 km (0.108 R)
• M7: 3,011,106 km (0.071 R)
• M8: 3,319,726 km (0.109 R)
• M9: 4,161,962 km (0.074 R)
• M10: 5,086,926 km (0.076 R)
• M11: 5,498,769 km (0.113 R)
• M12: 5,844,190 km (0.088 R)
• M13: 8,418,770 km (0.111 R)
• M14: 8,839,888 km (0.057 R)
• M15: 9,477,324 km (0.094 R)
• M16: 10,933,809 km (0.03 R)
• M17: 11,481,936 km (0.065 R)
• M18: 11,810,004 km (0.078 R)
• M19: 13,185,556 km (0.083 R)
• M20: 17,087,218 km (0.076 R)
• M21: 23,980,838 km (0.039 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 133.6

Radius: 12.8

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 3.8 AU - 5.24 AU

Year: 6304 Days

Day: 14.1 Hours

Environment

Temp: -220 °C

Axial Tilt: 20.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 82,908,289 km

• M1: 180,714 km (0.081 R)
• M2: 793,018 km (0.113 R)
• M3: 2,429,918 km (0.028 R)
• M4: 3,212,315 km (0.102 R)
• M5: 3,954,171 km (0.028 R)
• M6: 6,203,525 km (0.108 R)
• M7: 7,540,181 km (0.055 R)
• M8: 8,376,284 km (0.093 R)
• M9: 9,525,345 km (0.073 R)
• M10: 12,264,033 km (0.106 R)
• M11: 14,025,100 km (0.109 R)
• M12: 14,843,400 km (0.085 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 425.7

Radius: 3.2

Gravity: 41.57 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 5.62 AU - 7.12 AU

Year: 10547 Days

Day: 22.1 Hours

Environment

Temp: -227 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 82,908,289 km

• M1: 39,793 km (0.111 R)
• M2: 158,424 km (0.092 R)
• M3: 286,779 km (0.118 R)
• M4: 509,381 km (0.116 R)
• M5: 1,030,281 km (0.108 R)
• M6: 1,253,032 km (0.109 R)
• M7: 1,617,452 km (0.105 R)
• M8: 2,770,104 km (0.094 R)
• M9: 6,451,259 km (0.052 R)
• M10: 6,744,321 km (0.119 R)
• M11: 6,969,914 km (0.083 R)
• M12: 8,005,730 km (0.086 R)
• M13: 9,650,708 km (0.106 R)
• M14: 10,082,448 km (0.085 R)
• M15: 12,157,819 km (0.028 R)
• M16: 12,268,521 km (0.086 R)
• M17: 13,353,555 km (0.045 R)
• M18: 15,130,628 km (0.112 R)
• M19: 15,517,039 km (0.083 R)
• M20: 19,145,386 km (0.059 R)
• M21: 19,673,317 km (0.085 R)
• M22: 19,979,244 km (0.1 R)
• M23: 20,600,674 km (0.065 R)
• M24: 21,476,121 km (0.117 R)
• M25: 22,625,780 km (0.072 R)
• M26: 23,643,195 km (0.107 R)
• M27: 24,779,541 km (0.04 R)
• M28: 28,796,693 km (0.107 R)
• M29: 33,334,894 km (0.071 R)
• M30: 35,096,558 km (0.03 R)
• M31: 35,321,104 km (0.117 R)
• M32: 35,433,752 km (0.119 R)
• M33: 41,249,219 km (0.077 R)
• M34: 42,128,705 km (0.085 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 249.3

Radius: 3.5

Gravity: 20.35 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 5.01 AU - 8.25 AU

Year: 11199 Days

Day: 23 Hours

Environment

Temp: -224 °C

Axial Tilt: 14.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 82,908,289 km

• M1: 43,533 km (0.075 R)
• M2: 167,998 km (0.08 R)
• M3: 810,222 km (0.099 R)
• M4: 1,069,026 km (0.028 R)
• M5: 1,217,727 km (0.114 R)
• M6: 1,380,340 km (0.12 R)
• M7: 2,735,696 km (0.042 R)
• M8: 2,893,372 km (0.101 R)
• M9: 3,515,849 km (0.046 R)
• M10: 4,222,998 km (0.045 R)
• M11: 4,541,642 km (0.099 R)
• M12: 6,345,343 km (0.028 R)
• M13: 6,692,111 km (0.111 R)
• M14: 8,005,880 km (0.1 R)
• M15: 8,871,453 km (0.065 R)
• M16: 9,043,191 km (0.093 R)
• M17: 9,304,838 km (0.064 R)
• M18: 13,405,016 km (0.102 R)
• M19: 14,501,868 km (0.076 R)
• M20: 16,289,263 km (0.099 R)
• M21: 19,779,232 km (0.068 R)
• M22: 22,761,765 km (0.057 R)
• M23: 23,736,395 km (0.104 R)
• M24: 24,401,357 km (0.086 R)
• M25: 25,942,964 km (0.079 R)
• M26: 26,559,606 km (0.073 R)
• M27: 27,548,149 km (0.106 R)
• M28: 30,954,941 km (0.104 R)
• M29: 35,487,008 km (0.093 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 985.4

Radius: 7.8

Gravity: 16.2 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 9.27 AU - 9.57 AU

Year: 18966 Days

Day: 19.8 Hours

Environment

Temp: -234 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 82,908,289 km

• M1: 97,837 km (0.109 R)
• M2: 417,528 km (0.116 R)
• M3: 779,555 km (0.117 R)
• M4: 1,502,711 km (0.102 R)
• M5: 2,158,697 km (0.106 R)
• M6: 3,556,989 km (0.095 R)
• M7: 4,534,311 km (0.104 R)
• M8: 5,846,285 km (0.096 R)
• M9: 6,145,032 km (0.103 R)
• M10: 7,055,484 km (0.054 R)
• M11: 7,345,405 km (0.093 R)
• M12: 7,693,669 km (0.088 R)
• M13: 10,080,204 km (0.115 R)
• M14: 10,386,431 km (0.116 R)
• M15: 10,635,810 km (0.088 R)
• M16: 11,540,578 km (0.093 R)
• M17: 11,875,827 km (0.099 R)
• M18: 14,330,578 km (0.112 R)
• M19: 16,171,081 km (0.097 R)
• M20: 18,526,200 km (0.075 R)
• M21: 20,803,678 km (0.077 R)
• M22: 22,839,107 km (0.118 R)
• M23: 23,155,357 km (0.109 R)
• M24: 29,861,530 km (0.096 R)
• M25: 30,493,880 km (0.063 R)
• M26: 31,654,610 km (0.099 R)
• M27: 32,047,903 km (0.087 R)
• M28: 44,926,335 km (0.072 R)
• M29: 53,508,017 km (0.075 R)
• M30: 62,501,242 km (0.084 R)
• M31: 63,120,428 km (0.113 R)
• M32: 63,952,342 km (0.094 R)
• M33: 65,638,310 km (0.099 R)
• M34: 67,570,067 km (0.06 R)
• M35: 71,546,678 km (0.105 R)
• M36: 78,516,442 km (0.099 R)
• M37: 81,672,359 km (0.103 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 369 - 18,087 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit