🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 285.9

Radius: 14.8

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 0.8 AU - 0.86 AU

Year: 488 Days

Day: 9.6 Hours

Environment

Temp: -157 °C

Axial Tilt: 28.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 35,832,011 km

• M1: 184,005 km (0.081 R)
• M2: 735,423 km (0.117 R)
• M3: 1,264,850 km (0.051 R)
• M4: 1,908,570 km (0.056 R)
• M5: 2,824,408 km (0.076 R)
• M6: 3,538,289 km (0.111 R)
• M7: 4,030,167 km (0.034 R)
• M8: 4,554,507 km (0.094 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 759.7

Radius: 8.3

Gravity: 11.03 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 1.07 AU - 1.49 AU

Year: 935 Days

Day: 8.3 Hours

Environment

Temp: -166 °C

Axial Tilt: 41 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 35,832,011 km

• M1: 105,167 km (0.106 R)
• M2: 441,015 km (0.035 R)
• M3: 755,619 km (0.086 R)
• M4: 1,264,700 km (0.116 R)
• M5: 2,097,811 km (0.111 R)
• M6: 2,479,734 km (0.072 R)
• M7: 3,678,911 km (0.105 R)
• M8: 4,137,129 km (0.105 R)
• M9: 7,140,306 km (0.051 R)
• M10: 7,930,782 km (0.101 R)
• M11: 8,696,274 km (0.1 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 845.5

Radius: 14.5

Gravity: 4.02 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 1.36 AU - 1.52 AU

Year: 1116 Days

Day: 12.3 Hours

Environment

Temp: -179 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 35,832,011 km

• M1: 180,265 km (0.095 R)
• M2: 696,528 km (0.079 R)
• M3: 1,207,554 km (0.112 R)
• M4: 1,937,442 km (0.114 R)
• M5: 2,423,186 km (0.068 R)
• M6: 2,896,963 km (0.093 R)
• M7: 4,652,643 km (0.065 R)
• M8: 5,291,576 km (0.088 R)
• M9: 5,922,879 km (0.102 R)
• M10: 7,882,013 km (0.114 R)
• M11: 9,141,477 km (0.085 R)
• M12: 9,712,043 km (0.057 R)
• M13: 10,338,260 km (0.09 R)
• M14: 11,396,216 km (0.09 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 190.1

Radius: 9.2

Gravity: 2.25 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 1.87 AU - 3.03 AU

Year: 2476 Days

Day: 9.6 Hours

Environment

Temp: -195 °C

Axial Tilt: 24.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 35,832,011 km

• M1: 120,725 km (0.116 R)
• M2: 440,865 km (0.1 R)
• M3: 1,140,684 km (0.086 R)
• M4: 1,782,758 km (0.049 R)
• M5: 2,179,940 km (0.088 R)
• M6: 2,832,636 km (0.059 R)
• M7: 3,168,483 km (0.086 R)
• M8: 3,609,946 km (0.087 R)
• M9: 4,268,027 km (0.118 R)
• M10: 6,653,664 km (0.084 R)
• M11: 7,148,833 km (0.118 R)
• M12: 8,609,357 km (0.077 R)
• M13: 9,077,898 km (0.093 R)
• M14: 9,594,310 km (0.054 R)
• M15: 10,819,516 km (0.109 R)
• M16: 11,192,913 km (0.084 R)
• M17: 12,109,798 km (0.113 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 770.1

Radius: 8.5

Gravity: 10.66 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 5.39 AU - 5.43 AU

Year: 8125 Days

Day: 14 Hours

Environment

Temp: -212 °C

Axial Tilt: 15.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 35,832,011 km

• M1: 105,766 km (0.07 R)
• M2: 441,763 km (0.098 R)
• M3: 1,118,394 km (0.101 R)
• M4: 1,747,902 km (0.095 R)
• M5: 2,556,927 km (0.054 R)
• M6: 2,876,318 km (0.087 R)
• M7: 3,290,256 km (0.093 R)
• M8: 3,743,388 km (0.066 R)
• M9: 4,076,991 km (0.076 R)
• M10: 5,882,188 km (0.033 R)
• M11: 7,913,877 km (0.119 R)
• M12: 9,980,422 km (0.112 R)
• M13: 10,373,416 km (0.064 R)
• M14: 12,382,814 km (0.099 R)
• M15: 14,891,122 km (0.057 R)
• M16: 15,404,542 km (0.055 R)
• M17: 16,534,903 km (0.086 R)
• M18: 17,155,285 km (0.067 R)
• M19: 22,022,452 km (0.052 R)
• M20: 23,283,263 km (0.052 R)
• M21: 24,414,372 km (0.114 R)
• M22: 26,040,501 km (0.076 R)
• M23: 28,417,013 km (0.072 R)
• M24: 30,317,205 km (0.077 R)
• M25: 31,246,208 km (0.11 R)
• M26: 31,665,082 km (0.111 R)
• M27: 34,591,516 km (0.116 R)
• M28: 36,755,748 km (0.076 R)
• M29: 39,861,400 km (0.104 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 269.8

Radius: 9.3

Gravity: 3.12 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 4.49 AU - 7.17 AU

Year: 9089 Days

Day: 8.7 Hours

Environment

Temp: -218 °C

Axial Tilt: 4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 35,832,011 km

• M1: 116,088 km (0.105 R)
• M2: 437,574 km (0.049 R)
• M3: 740,958 km (0.098 R)
• M4: 1,056,909 km (0.05 R)
• M5: 1,610,421 km (0.112 R)
• M6: 1,904,082 km (0.114 R)
• M7: 2,330,585 km (0.111 R)
• M8: 2,673,314 km (0.047 R)
• M9: 3,010,657 km (0.051 R)
• M10: 4,525,036 km (0.096 R)
• M11: 4,896,787 km (0.099 R)
• M12: 5,701,624 km (0.073 R)
• M13: 7,757,398 km (0.103 R)
• M14: 9,054,710 km (0.032 R)
• M15: 9,517,716 km (0.102 R)
• M16: 9,820,651 km (0.057 R)
• M17: 10,536,926 km (0.056 R)
• M18: 11,239,886 km (0.06 R)
• M19: 13,482,358 km (0.109 R)
• M20: 13,975,283 km (0.066 R)
• M21: 15,765,970 km (0.079 R)
• M22: 20,149,188 km (0.082 R)
• M23: 22,656,747 km (0.03 R)
• M24: 25,864,724 km (0.105 R)
• M25: 27,489,656 km (0.114 R)
• M26: 29,454,923 km (0.066 R)
• M27: 30,099,391 km (0.077 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 117.9

Radius: 5.7

Gravity: 3.63 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 7.25 AU - 9.45 AU

Year: 15579 Days

Day: 18 Hours

Environment

Temp: -217 °C

Axial Tilt: 18.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 35,832,011 km

• M1: 70,909 km (0.041 R)
• M2: 304,731 km (0.114 R)
• M3: 489,185 km (0.087 R)
• M4: 1,167,462 km (0.119 R)
• M5: 1,464,114 km (0.085 R)
• M6: 2,571,887 km (0.039 R)
• M7: 4,408,200 km (0.1 R)
• M8: 5,216,179 km (0.042 R)
• M9: 6,763,619 km (0.07 R)
• M10: 7,012,251 km (0.063 R)
• M11: 7,193,713 km (0.05 R)
• M12: 7,718,353 km (0.074 R)
• M13: 13,252,576 km (0.097 R)
• M14: 13,982,614 km (0.078 R)
• M15: 15,461,389 km (0.103 R)
• M16: 15,831,195 km (0.098 R)
• M17: 17,172,340 km (0.117 R)
• M18: 21,040,342 km (0.072 R)
• M19: 22,188,057 km (0.111 R)
• M20: 25,027,275 km (0.062 R)
• M21: 25,281,442 km (0.092 R)
• M22: 27,736,492 km (0.088 R)
• M23: 28,466,081 km (0.073 R)
• M24: 31,808,995 km (0.089 R)
• M25: 33,012,809 km (0.093 R)
• M26: 35,404,580 km (0.096 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 172 - 13,135 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit