🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 893.6

Radius: 8.8

Gravity: 11.54 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 0.65 AU - 0.65 AU

Year: 362 Days

Day: 5.1 Hours

Environment

Temp: -159 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 77,163,164 km

• M1: 109,506 km (0.108 R)
• M2: 447,896 km (0.073 R)
• M3: 917,933 km (0.088 R)
• M4: 1,234,332 km (0.118 R)
• M5: 1,514,529 km (0.093 R)
• M6: 1,845,290 km (0.066 R)
• M7: 2,241,874 km (0.088 R)
• M8: 2,537,329 km (0.11 R)
• M9: 3,218,897 km (0.051 R)
• M10: 3,633,882 km (0.061 R)
• M11: 4,260,547 km (0.055 R)
• M12: 4,791,470 km (0.113 R)
• M13: 5,096,351 km (0.086 R)
• M14: 5,561,600 km (0.067 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 186.1

Radius: 10.5

Gravity: 1.69 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 0.86 AU - 1.18 AU

Year: 711 Days

Day: 14.8 Hours

Environment

Temp: -185 °C

Axial Tilt: 24.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 77,163,164 km

• M1: 130,599 km (0.112 R)
• M2: 483,650 km (0.098 R)
• M3: 820,096 km (0.034 R)
• M4: 1,192,744 km (0.069 R)
• M5: 1,779,317 km (0.076 R)
• M6: 2,522,071 km (0.051 R)
• M7: 3,017,539 km (0.111 R)
• M8: 3,745,631 km (0.111 R)
• M9: 4,311,411 km (0.069 R)
• M10: 5,235,327 km (0.095 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 696.4

Radius: 12.1

Gravity: 4.76 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 1.26 AU - 1.42 AU

Year: 1071 Days

Day: 11.8 Hours

Environment

Temp: -186 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 77,163,164 km

• M1: 151,842 km (0.117 R)
• M2: 638,035 km (0.069 R)
• M3: 1,904,530 km (0.046 R)
• M4: 2,430,816 km (0.105 R)
• M5: 2,830,242 km (0.088 R)
• M6: 3,986,334 km (0.072 R)
• M7: 4,781,148 km (0.044 R)
• M8: 6,825,552 km (0.104 R)
• M9: 7,453,864 km (0.086 R)
• M10: 7,859,573 km (0.108 R)
• M11: 8,333,649 km (0.095 R)
• M12: 8,770,923 km (0.111 R)
• M13: 9,602,687 km (0.08 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 311.9

Radius: 10

Gravity: 3.12 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 1.71 AU - 2.43 AU

Year: 2056 Days

Day: 9.1 Hours

Environment

Temp: -211 °C

Axial Tilt: 15.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 77,163,164 km

• M1: 133,890 km (0.054 R)
• M2: 753,076 km (0.078 R)
• M3: 1,164,171 km (0.108 R)
• M4: 1,782,159 km (0.096 R)
• M5: 2,736,893 km (0.092 R)
• M6: 3,443,294 km (0.082 R)
• M7: 3,831,501 km (0.106 R)
• M8: 4,266,830 km (0.112 R)
• M9: 4,657,879 km (0.093 R)
• M10: 5,774,627 km (0.096 R)
• M11: 8,130,794 km (0.118 R)
• M12: 10,588,687 km (0.119 R)
• M13: 11,168,678 km (0.117 R)
• M14: 11,555,089 km (0.081 R)
• M15: 11,950,476 km (0.117 R)
• M16: 12,616,935 km (0.112 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 450.9

Radius: 14

Gravity: 2.3 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 4.5 AU - 5.68 AU

Year: 7927 Days

Day: 5.3 Hours

Environment

Temp: -231 °C

Axial Tilt: 19 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 77,163,164 km

• M1: 174,132 km (0.112 R)
• M2: 813,214 km (0.075 R)
• M3: 1,486,404 km (0.078 R)
• M4: 2,448,618 km (0.088 R)
• M5: 3,139,910 km (0.097 R)
• M6: 3,724,239 km (0.087 R)
• M7: 4,380,824 km (0.085 R)
• M8: 7,398,961 km (0.07 R)
• M9: 8,320,334 km (0.111 R)
• M10: 9,188,002 km (0.099 R)
• M11: 10,484,417 km (0.096 R)
• M12: 11,397,862 km (0.087 R)
• M13: 12,363,815 km (0.075 R)
• M14: 15,713,162 km (0.114 R)
• M15: 16,716,664 km (0.061 R)
• M16: 18,233,736 km (0.117 R)
• M17: 19,201,036 km (0.068 R)
• M18: 19,768,910 km (0.061 R)
• M19: 21,768,884 km (0.078 R)
• M20: 22,464,663 km (0.041 R)
• M21: 23,415,358 km (0.119 R)
• M22: 25,227,736 km (0.1 R)
• M23: 26,690,953 km (0.111 R)
• M24: 29,975,374 km (0.082 R)
• M25: 30,740,268 km (0.109 R)
• M26: 35,393,809 km (0.027 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 500.4

Radius: 4.6

Gravity: 23.65 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 7.71 AU - 10.55 AU

Year: 19042 Days

Day: 20.7 Hours

Environment

Temp: -234 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 77,163,164 km

• M1: 57,446 km (0.089 R)
• M2: 213,177 km (0.095 R)
• M3: 490,531 km (0.1 R)
• M4: 734,376 km (0.11 R)
• M5: 1,080,246 km (0.119 R)
• M6: 1,235,379 km (0.035 R)
• M7: 1,480,869 km (0.056 R)
• M8: 1,707,061 km (0.106 R)
• M9: 2,331,932 km (0.073 R)
• M10: 3,226,826 km (0.095 R)
• M11: 4,491,826 km (0.056 R)
• M12: 4,657,730 km (0.095 R)
• M13: 4,931,643 km (0.075 R)
• M14: 6,676,852 km (0.115 R)
• M15: 6,980,985 km (0.111 R)
• M16: 7,710,873 km (0.08 R)
• M17: 8,143,061 km (0.063 R)
• M18: 8,390,047 km (0.086 R)
• M19: 9,267,438 km (0.064 R)
• M20: 11,263,373 km (0.049 R)
• M21: 15,621,758 km (0.082 R)
• M22: 16,157,468 km (0.086 R)
• M23: 19,456,400 km (0.119 R)
• M24: 19,987,024 km (0.054 R)
• M25: 23,375,266 km (0.096 R)
• M26: 24,996,907 km (0.118 R)
• M27: 27,900,751 km (0.049 R)
• M28: 28,575,288 km (0.116 R)
• M29: 30,663,973 km (0.062 R)
• M30: 31,261,766 km (0.055 R)
• M31: 32,357,271 km (0.08 R)
• M32: 33,101,670 km (0.082 R)
• M33: 36,727,025 km (0.025 R)
• M34: 38,083,280 km (0.116 R)
• M35: 38,635,146 km (0.114 R)
• M36: 39,332,272 km (0.118 R)
• M37: 44,754,148 km (0.109 R)
• M38: 45,833,048 km (0.118 R)
• M39: 46,929,151 km (0.109 R)
• M40: 53,014,194 km (0.103 R)
• M41: 64,158,637 km (0.103 R)
• M42: 66,122,857 km (0.079 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 775.3

Radius: 5.9

Gravity: 22.27 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 7.06 AU - 11.3 AU

Year: 19199 Days

Day: 23.9 Hours

Environment

Temp: -231 °C

Axial Tilt: 6.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 77,163,164 km

• M1: 74,799 km (0.069 R)
• M2: 818,300 km (0.102 R)
• M3: 1,235,080 km (0.096 R)
• M4: 1,524,253 km (0.072 R)
• M5: 1,729,651 km (0.066 R)
• M6: 2,239,181 km (0.105 R)
• M7: 2,818,573 km (0.097 R)
• M8: 8,179,712 km (0.12 R)
• M9: 8,705,848 km (0.117 R)
• M10: 11,944,492 km (0.099 R)
• M11: 13,539,206 km (0.049 R)
• M12: 17,229,336 km (0.105 R)
• M13: 18,180,629 km (0.117 R)
• M14: 18,624,337 km (0.089 R)
• M15: 19,999,141 km (0.105 R)
• M16: 25,069,162 km (0.102 R)
• M17: 25,398,128 km (0.1 R)
• M18: 25,952,538 km (0.046 R)
• M19: 35,267,399 km (0.083 R)
• M20: 35,680,439 km (0.065 R)
• M21: 42,113,446 km (0.037 R)
• M22: 44,311,787 km (0.072 R)
• M23: 71,524,836 km (0.115 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: 283 - 12,368 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit