🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 775.1

Radius: 8.7

Gravity: 10.24 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 0.53 AU - 0.69 AU

Year: 329 Days

Day: 11.8 Hours

Environment

Temp: -148 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 49,865,673 km

• M1: 108,309 km (0.112 R)
• M2: 521,349 km (0.112 R)
• M3: 793,766 km (0.05 R)
• M4: 1,072,318 km (0.081 R)
• M5: 1,393,205 km (0.111 R)
• M6: 1,756,877 km (0.077 R)
• M7: 2,100,952 km (0.074 R)
• M8: 2,668,228 km (0.097 R)
• M9: 3,009,161 km (0.085 R)
• M10: 3,877,726 km (0.118 R)
• M11: 4,250,076 km (0.096 R)
• M12: 4,846,223 km (0.074 R)

Asteroid Belt

Center: 1.12 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 219.3

Radius: 14.5

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 1.29 AU - 1.97 AU

Year: 1436 Days

Day: 5.8 Hours

Environment

Temp: -198 °C

Axial Tilt: 20.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 49,865,673 km

• M1: 180,565 km (0.093 R)
• M2: 641,326 km (0.059 R)
• M3: 1,255,725 km (0.077 R)
• M4: 1,917,845 km (0.064 R)
• M5: 2,819,321 km (0.112 R)
• M6: 5,183,417 km (0.073 R)
• M7: 6,520,074 km (0.106 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 335.9

Radius: 10.6

Gravity: 2.99 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 1.47 AU - 2.17 AU

Year: 1695 Days

Day: 6.9 Hours

Environment

Temp: -193 °C

Axial Tilt: 19.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 49,865,673 km

• M1: 147,952 km (0.097 R)
• M2: 614,099 km (0.102 R)
• M3: 973,583 km (0.1 R)
• M4: 1,397,394 km (0.108 R)
• M5: 2,411,218 km (0.115 R)
• M6: 4,583,679 km (0.104 R)
• M7: 5,947,263 km (0.11 R)
• M8: 7,487,224 km (0.102 R)
• M9: 7,877,525 km (0.115 R)
• M10: 8,985,147 km (0.084 R)
• M11: 9,516,220 km (0.109 R)
• M12: 10,447,766 km (0.106 R)
• M13: 10,968,965 km (0.071 R)
• M14: 11,337,125 km (0.07 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 493.9

Radius: 14

Gravity: 2.52 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 1.66 AU - 2.28 AU

Year: 1909 Days

Day: 6.3 Hours

Environment

Temp: -202 °C

Axial Tilt: 108.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 49,865,673 km

• M1: 174,132 km (0.11 R)
• M2: 648,357 km (0.061 R)
• M3: 1,158,336 km (0.099 R)
• M4: 1,598,304 km (0.074 R)
• M5: 2,118,904 km (0.107 R)
• M6: 2,780,576 km (0.076 R)
• M7: 3,306,263 km (0.102 R)
• M8: 3,777,795 km (0.085 R)
• M9: 4,294,356 km (0.108 R)
• M10: 5,626,675 km (0.048 R)
• M11: 6,574,378 km (0.032 R)
• M12: 7,990,920 km (0.079 R)
• M13: 9,314,562 km (0.096 R)
• M14: 11,976,058 km (0.053 R)
• M15: 13,339,493 km (0.043 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 147.3

Radius: 13.9

Gravity: 0.76 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 1.98 AU - 2.02 AU

Year: 1952 Days

Day: 10.1 Hours

Environment

Temp: -194 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 49,865,673 km

• M1: 172,935 km (0.11 R)
• M2: 701,913 km (0.105 R)
• M3: 1,170,903 km (0.055 R)
• M4: 1,921,435 km (0.054 R)
• M5: 2,546,156 km (0.029 R)
• M6: 3,117,919 km (0.045 R)
• M7: 5,639,391 km (0.109 R)
• M8: 6,977,544 km (0.083 R)
• M9: 8,208,286 km (0.056 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 390.9

Radius: 12.7

Gravity: 2.42 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 2.16 AU - 2.72 AU

Year: 2631 Days

Day: 13.3 Hours

Environment

Temp: -210 °C

Axial Tilt: 96.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 49,865,673 km

• M1: 157,975 km (0.089 R)
• M2: 648,956 km (0.107 R)
• M3: 1,066,184 km (0.11 R)
• M4: 1,752,090 km (0.065 R)
• M5: 2,154,509 km (0.055 R)
• M6: 2,675,259 km (0.074 R)
• M7: 4,010,719 km (0.081 R)
• M8: 4,976,672 km (0.057 R)
• M9: 5,846,584 km (0.091 R)
• M10: 6,655,759 km (0.059 R)
• M11: 8,844,974 km (0.115 R)
• M12: 10,191,355 km (0.098 R)
• M13: 11,669,980 km (0.107 R)
• M14: 12,541,986 km (0.12 R)
• M15: 13,119,135 km (0.114 R)
• M16: 14,505,309 km (0.107 R)
• M17: 15,095,472 km (0.111 R)
• M18: 15,748,766 km (0.05 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 433.2

Radius: 8.4

Gravity: 6.14 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 2.67 AU - 2.69 AU

Year: 3028 Days

Day: 6.1 Hours

Environment

Temp: -208 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 49,865,673 km

• M1: 106,962 km (0.105 R)
• M2: 479,910 km (0.114 R)
• M3: 804,388 km (0.1 R)
• M4: 1,069,625 km (0.109 R)
• M5: 1,481,169 km (0.118 R)
• M6: 1,752,240 km (0.118 R)
• M7: 2,209,261 km (0.119 R)
• M8: 3,539,186 km (0.116 R)
• M9: 5,032,173 km (0.073 R)
• M10: 6,139,048 km (0.072 R)
• M11: 6,652,169 km (0.098 R)
• M12: 7,164,392 km (0.1 R)
• M13: 9,200,867 km (0.108 R)
• M14: 9,586,232 km (0.097 R)
• M15: 9,945,715 km (0.11 R)
• M16: 10,389,123 km (0.051 R)
• M17: 12,253,711 km (0.089 R)
• M18: 15,823,116 km (0.057 R)
• M19: 16,325,765 km (0.102 R)
• M20: 18,169,409 km (0.094 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 388.6

Radius: 9.4

Gravity: 4.4 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 3.4 AU - 4.06 AU

Year: 4972 Days

Day: 12 Hours

Environment

Temp: -220 °C

Axial Tilt: 28 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 49,865,673 km

• M1: 116,836 km (0.116 R)
• M2: 468,241 km (0.099 R)
• M3: 936,782 km (0.111 R)
• M4: 2,271,943 km (0.083 R)
• M5: 3,290,405 km (0.108 R)
• M6: 3,807,266 km (0.109 R)
• M7: 5,633,407 km (0.076 R)
• M8: 6,706,772 km (0.108 R)
• M9: 10,284,255 km (0.102 R)
• M10: 12,571,906 km (0.079 R)
• M11: 14,290,486 km (0.12 R)
• M12: 15,883,554 km (0.113 R)
• M13: 17,591,812 km (0.069 R)
• M14: 18,796,524 km (0.117 R)
• M15: 20,313,745 km (0.119 R)
• M16: 20,969,433 km (0.117 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 188.8

Radius: 3.3

Gravity: 17.34 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 8.24 AU - 10.76 AU

Year: 20211 Days

Day: 19.7 Hours

Environment

Temp: -235 °C

Axial Tilt: 3.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 49,865,673 km

• M1: 72,705 km (0.112 R)
• M2: 199,264 km (0.082 R)
• M3: 2,668,527 km (0.073 R)
• M4: 2,840,265 km (0.088 R)
• M5: 5,725,260 km (0.06 R)
• M6: 8,697,620 km (0.094 R)
• M7: 13,850,818 km (0.114 R)
• M8: 22,787,645 km (0.099 R)
• M9: 26,716,534 km (0.073 R)
• M10: 27,112,669 km (0.117 R)
• M11: 32,850,645 km (0.057 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 326 - 14,097 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit