🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.74 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 733.1

Radius: 12.4

Gravity: 4.77 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 1.31 AU - 1.63 AU

Year: 1209 Days

Day: 9.7 Hours

Environment

Temp: -182 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 71,787,715 km

• M1: 156,928 km (0.103 R)
• M2: 587,172 km (0.109 R)
• M3: 1,239,718 km (0.106 R)
• M4: 1,817,913 km (0.11 R)
• M5: 2,232,150 km (0.103 R)
• M6: 2,933,465 km (0.113 R)
• M7: 3,713,019 km (0.059 R)
• M8: 4,497,510 km (0.107 R)
• M9: 4,948,997 km (0.042 R)
• M10: 5,790,934 km (0.107 R)
• M11: 7,839,078 km (0.058 R)
• M12: 10,299,215 km (0.064 R)
• M13: 10,721,380 km (0.116 R)
• M14: 11,121,405 km (0.069 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 65.2

Radius: 15

Gravity: 0.29 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 1.95 AU - 3.21 AU

Year: 2811 Days

Day: 14.7 Hours

Environment

Temp: -209 °C

Axial Tilt: 7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 71,787,715 km

• M1: 186,997 km (0.096 R)
• M2: 820,844 km (0.09 R)
• M3: 1,357,900 km (0.076 R)
• M4: 2,001,021 km (0.026 R)
• M5: 2,737,641 km (0.062 R)
• M6: 4,504,242 km (0.101 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 247.5

Radius: 10.7

Gravity: 2.16 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 2.52 AU - 3.28 AU

Year: 3350 Days

Day: 10.4 Hours

Environment

Temp: -219 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 71,787,715 km

• M1: 133,142 km (0.119 R)
• M2: 499,358 km (0.093 R)
• M3: 1,266,944 km (0.1 R)
• M4: 2,592,232 km (0.079 R)
• M5: 3,932,180 km (0.101 R)
• M6: 4,914,589 km (0.039 R)
• M7: 7,331,193 km (0.091 R)
• M8: 8,526,929 km (0.095 R)
• M9: 9,237,669 km (0.087 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 27.1

Radius: 10.6

Gravity: 0.24 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 2.63 AU - 3.29 AU

Year: 3454 Days

Day: 6.1 Hours

Environment

Temp: -202 °C

Axial Tilt: 25.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 71,787,715 km

• M1: 138,228 km (0.071 R)
• M2: 814,710 km (0.12 R)
• M3: 1,565,841 km (0.049 R)
• M4: 2,962,337 km (0.102 R)
• M5: 3,388,841 km (0.068 R)
• M6: 6,617,013 km (0.068 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 951.8

Radius: 8.3

Gravity: 13.82 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 2.95 AU - 3.79 AU

Year: 4196 Days

Day: 14.3 Hours

Environment

Temp: -221 °C

Axial Tilt: 45.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 71,787,715 km

• M1: 103,223 km (0.104 R)
• M2: 368,160 km (0.117 R)
• M3: 780,302 km (0.088 R)
• M4: 1,128,716 km (0.119 R)
• M5: 1,439,880 km (0.105 R)
• M6: 1,986,660 km (0.116 R)
• M7: 2,596,421 km (0.084 R)
• M8: 2,880,357 km (0.105 R)
• M9: 3,244,778 km (0.087 R)
• M10: 3,532,604 km (0.085 R)
• M11: 4,426,302 km (0.088 R)
• M12: 4,703,656 km (0.085 R)
• M13: 5,635,950 km (0.1 R)
• M14: 6,053,627 km (0.069 R)
• M15: 7,154,668 km (0.108 R)
• M16: 9,874,955 km (0.11 R)
• M17: 12,307,866 km (0.08 R)
• M18: 15,629,986 km (0.091 R)
• M19: 15,980,194 km (0.06 R)
• M20: 16,335,639 km (0.119 R)
• M21: 17,496,069 km (0.117 R)
• M22: 20,671,284 km (0.101 R)
• M23: 21,022,690 km (0.098 R)
• M24: 21,737,468 km (0.093 R)
• M25: 22,765,056 km (0.085 R)
• M26: 26,534,922 km (0.118 R)
• M27: 27,201,231 km (0.094 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 670.4

Radius: 9.9

Gravity: 6.84 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 2.65 AU - 4.21 AU

Year: 4309 Days

Day: 12.7 Hours

Environment

Temp: -210 °C

Axial Tilt: 0.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 71,787,715 km

• M1: 123,119 km (0.08 R)
• M2: 443,408 km (0.05 R)
• M3: 860,038 km (0.098 R)
• M4: 1,689,558 km (0.095 R)
• M5: 2,183,082 km (0.072 R)
• M6: 2,618,711 km (0.088 R)
• M7: 2,928,977 km (0.069 R)
• M8: 4,668,650 km (0.064 R)
• M9: 4,997,317 km (0.114 R)
• M10: 5,960,428 km (0.101 R)
• M11: 6,689,418 km (0.079 R)
• M12: 7,579,077 km (0.109 R)
• M13: 9,313,365 km (0.088 R)
• M14: 13,753,280 km (0.089 R)
• M15: 14,432,006 km (0.082 R)
• M16: 19,627,839 km (0.109 R)
• M17: 20,021,880 km (0.029 R)
• M18: 20,354,286 km (0.048 R)
• M19: 22,071,670 km (0.07 R)
• M20: 24,257,744 km (0.036 R)
• M21: 24,787,918 km (0.078 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 587.6

Radius: 15

Gravity: 2.61 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 4.99 AU - 6.23 AU

Year: 9012 Days

Day: 13.5 Hours

Environment

Temp: -221 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 71,787,715 km

• M1: 191,485 km (0.101 R)
• M2: 749,785 km (0.05 R)
• M3: 1,398,740 km (0.072 R)
• M4: 1,908,719 km (0.109 R)
• M5: 3,298,633 km (0.069 R)
• M6: 3,765,827 km (0.091 R)
• M7: 4,467,740 km (0.094 R)
• M8: 5,073,013 km (0.053 R)
• M9: 5,570,726 km (0.084 R)
• M10: 6,273,536 km (0.102 R)
• M11: 6,774,540 km (0.096 R)
• M12: 7,939,309 km (0.066 R)
• M13: 8,700,014 km (0.097 R)
• M14: 11,591,890 km (0.116 R)
• M15: 14,145,227 km (0.117 R)
• M16: 14,635,608 km (0.083 R)
• M17: 15,200,939 km (0.102 R)
• M18: 19,651,924 km (0.078 R)
• M19: 21,524,291 km (0.095 R)
• M20: 22,421,280 km (0.042 R)
• M21: 23,684,185 km (0.112 R)
• M22: 27,378,654 km (0.073 R)
• M23: 30,925,470 km (0.092 R)
• M24: 33,453,674 km (0.12 R)
• M25: 36,003,121 km (0.104 R)
• M26: 42,240,006 km (0.068 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 878

Radius: 3.2

Gravity: 85.74 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 8.16 AU - 8.42 AU

Year: 16189 Days

Day: 23.4 Hours

Environment

Temp: -234 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 71,787,715 km

• M1: 45,478 km (0.086 R)
• M2: 146,157 km (0.102 R)
• M3: 386,112 km (0.071 R)
• M4: 531,970 km (0.113 R)
• M5: 648,956 km (0.111 R)
• M6: 1,147,416 km (0.106 R)
• M7: 1,390,213 km (0.073 R)
• M8: 1,844,542 km (0.119 R)
• M9: 2,594,775 km (0.049 R)
• M10: 2,884,696 km (0.055 R)
• M11: 3,195,710 km (0.096 R)
• M12: 3,359,519 km (0.081 R)
• M13: 6,235,239 km (0.032 R)
• M14: 7,777,892 km (0.103 R)
• M15: 8,377,930 km (0.08 R)
• M16: 9,501,410 km (0.117 R)
• M17: 10,128,075 km (0.119 R)
• M18: 10,661,092 km (0.106 R)
• M19: 11,526,815 km (0.099 R)
• M20: 14,850,431 km (0.082 R)
• M21: 15,927,984 km (0.097 R)
• M22: 17,305,332 km (0.052 R)
• M23: 20,949,536 km (0.057 R)
• M24: 21,234,670 km (0.066 R)
• M25: 24,544,074 km (0.111 R)
• M26: 31,909,824 km (0.115 R)
• M27: 35,280,115 km (0.104 R)
• M28: 37,328,558 km (0.051 R)
• M29: 41,960,408 km (0.073 R)
• M30: 43,946,618 km (0.093 R)
• M31: 45,516,499 km (0.102 R)
• M32: 49,100,864 km (0.081 R)
• M33: 52,693,456 km (0.119 R)
• M34: 57,009,205 km (0.114 R)
• M35: 58,686,646 km (0.093 R)
• M36: 60,204,915 km (0.051 R)
• M37: 60,396,400 km (0.115 R)
• M38: 64,114,805 km (0.115 R)
• M39: 64,314,518 km (0.029 R)
• M40: 64,715,440 km (0.078 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: 208 - 11,079 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit