🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.56 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 204.9

Radius: 9.1

Gravity: 2.47 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 1.1 AU - 1.12 AU

Year: 793 Days

Day: 11.4 Hours

Environment

Temp: -188 °C

Axial Tilt: 29.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 59,250,071 km

• M1: 113,246 km (0.063 R)
• M2: 457,470 km (0.066 R)
• M3: 779,555 km (0.114 R)
• M4: 1,176,886 km (0.118 R)
• M5: 1,606,532 km (0.11 R)
• M6: 1,954,496 km (0.081 R)
• M7: 2,408,675 km (0.11 R)
• M8: 2,899,656 km (0.078 R)
• M9: 3,198,103 km (0.086 R)
• M10: 3,615,481 km (0.085 R)
• M11: 3,922,456 km (0.086 R)
• M12: 4,842,782 km (0.11 R)
• M13: 5,313,268 km (0.101 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 463.8

Radius: 9.4

Gravity: 5.25 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 1.47 AU - 1.79 AU

Year: 1411 Days

Day: 8.2 Hours

Environment

Temp: -188 °C

Axial Tilt: 174.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 59,250,071 km

• M1: 116,986 km (0.1 R)
• M2: 437,275 km (0.119 R)
• M3: 828,922 km (0.114 R)
• M4: 1,296,864 km (0.099 R)
• M5: 1,686,566 km (0.079 R)
• M6: 2,026,752 km (0.044 R)
• M7: 2,556,328 km (0.115 R)
• M8: 2,967,723 km (0.09 R)
• M9: 3,652,282 km (0.098 R)
• M10: 4,107,958 km (0.034 R)
• M11: 4,619,433 km (0.063 R)
• M12: 6,504,515 km (0.073 R)
• M13: 6,834,379 km (0.079 R)
• M14: 9,891,561 km (0.04 R)
• M15: 10,392,265 km (0.07 R)
• M16: 10,909,574 km (0.09 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 429.7

Radius: 13.2

Gravity: 2.47 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 1.54 AU - 1.9 AU

Year: 1530 Days

Day: 7.1 Hours

Environment

Temp: -191 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 59,250,071 km

• M1: 164,258 km (0.054 R)
• M2: 576,251 km (0.108 R)
• M3: 991,385 km (0.097 R)
• M4: 1,550,881 km (0.058 R)
• M5: 2,229,457 km (0.117 R)
• M6: 3,819,383 km (0.107 R)
• M7: 4,629,605 km (0.059 R)
• M8: 5,046,684 km (0.04 R)
• M9: 6,023,409 km (0.079 R)
• M10: 8,132,140 km (0.108 R)
• M11: 9,147,012 km (0.076 R)
• M12: 10,086,936 km (0.111 R)
• M13: 10,990,507 km (0.083 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 873.8

Radius: 12.2

Gravity: 5.87 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 1.99 AU - 2.45 AU

Year: 2243 Days

Day: 8.5 Hours

Environment

Temp: -207 °C

Axial Tilt: 47 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 59,250,071 km

• M1: 151,692 km (0.071 R)
• M2: 702,661 km (0.066 R)
• M3: 1,562,550 km (0.098 R)
• M4: 2,192,506 km (0.112 R)
• M5: 3,002,728 km (0.058 R)
• M6: 3,406,942 km (0.067 R)
• M7: 5,213,935 km (0.098 R)
• M8: 5,802,153 km (0.11 R)
• M9: 6,272,190 km (0.067 R)
• M10: 9,188,002 km (0.106 R)
• M11: 9,647,417 km (0.055 R)
• M12: 12,561,584 km (0.073 R)
• M13: 14,595,815 km (0.119 R)
• M14: 16,221,196 km (0.117 R)
• M15: 17,316,552 km (0.059 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 233.9

Radius: 12.5

Gravity: 1.5 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 2.69 AU - 3.65 AU

Year: 3828 Days

Day: 14.6 Hours

Environment

Temp: -209 °C

Axial Tilt: 8.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 59,250,071 km

• M1: 155,432 km (0.113 R)
• M2: 560,693 km (0.082 R)
• M3: 2,383,543 km (0.051 R)
• M4: 5,444,764 km (0.087 R)
• M5: 6,109,278 km (0.054 R)
• M6: 9,773,378 km (0.077 R)
• M7: 12,664,956 km (0.066 R)
• M8: 16,938,069 km (0.079 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.57 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 766.6

Radius: 5.7

Gravity: 23.59 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 5.37 AU - 7.77 AU

Year: 11422 Days

Day: 17.3 Hours

Environment

Temp: -222 °C

Axial Tilt: 28.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 59,250,071 km

• M1: 70,909 km (0.065 R)
• M2: 566,677 km (0.114 R)
• M3: 793,766 km (0.084 R)
• M4: 1,116,299 km (0.109 R)
• M5: 1,566,738 km (0.072 R)
• M6: 1,833,771 km (0.105 R)
• M7: 2,022,563 km (0.116 R)
• M8: 2,224,221 km (0.117 R)
• M9: 3,317,183 km (0.028 R)
• M10: 3,651,834 km (0.069 R)
• M11: 4,065,621 km (0.043 R)
• M12: 4,479,708 km (0.117 R)
• M13: 4,792,218 km (0.118 R)
• M14: 5,460,921 km (0.119 R)
• M15: 5,709,104 km (0.095 R)
• M16: 6,382,144 km (0.095 R)
• M17: 7,106,497 km (0.087 R)
• M18: 8,386,905 km (0.12 R)
• M19: 8,959,117 km (0.106 R)
• M20: 12,951,136 km (0.096 R)
• M21: 13,844,984 km (0.106 R)
• M22: 15,897,616 km (0.1 R)
• M23: 18,938,642 km (0.113 R)
• M24: 22,077,205 km (0.078 R)
• M25: 27,564,156 km (0.077 R)
• M26: 29,686,351 km (0.119 R)
• M27: 31,347,635 km (0.061 R)
• M28: 32,258,686 km (0.048 R)
• M29: 35,218,929 km (0.066 R)
• M30: 41,946,495 km (0.071 R)
• M31: 45,755,406 km (0.078 R)
• M32: 47,519,764 km (0.118 R)
• M33: 48,721,035 km (0.088 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 775.9

Radius: 4.1

Gravity: 46.16 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 5.46 AU - 8.8 AU

Year: 12913 Days

Day: 19.5 Hours

Environment

Temp: -222 °C

Axial Tilt: 6.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 59,250,071 km

• M1: 51,162 km (0.101 R)
• M2: 213,476 km (0.039 R)
• M3: 438,172 km (0.1 R)
• M4: 583,731 km (0.088 R)
• M5: 839,094 km (0.073 R)
• M6: 1,165,218 km (0.089 R)
• M7: 1,555,369 km (0.082 R)
• M8: 1,747,154 km (0.113 R)
• M9: 2,009,099 km (0.099 R)
• M10: 3,644,354 km (0.058 R)
• M11: 5,338,400 km (0.113 R)
• M12: 6,597,864 km (0.074 R)
• M13: 9,116,195 km (0.111 R)
• M14: 9,372,755 km (0.096 R)
• M15: 9,793,125 km (0.044 R)
• M16: 11,601,464 km (0.073 R)
• M17: 13,754,178 km (0.088 R)
• M18: 14,643,088 km (0.102 R)
• M19: 15,642,552 km (0.101 R)
• M20: 15,862,461 km (0.092 R)
• M21: 16,993,271 km (0.117 R)
• M22: 20,010,211 km (0.062 R)
• M23: 20,530,812 km (0.108 R)
• M24: 24,332,842 km (0.115 R)
• M25: 28,252,156 km (0.099 R)
• M26: 30,817,909 km (0.071 R)
• M27: 31,279,269 km (0.093 R)
• M28: 33,171,533 km (0.11 R)
• M29: 34,639,686 km (0.117 R)
• M30: 36,278,531 km (0.09 R)
• M31: 43,207,156 km (0.108 R)
• M32: 46,148,550 km (0.089 R)
• M33: 46,601,083 km (0.074 R)
• M34: 48,130,422 km (0.03 R)
• M35: 48,595,821 km (0.109 R)
• M36: 52,590,383 km (0.099 R)
• M37: 54,751,624 km (0.082 R)
• M38: 56,625,936 km (0.088 R)
• M39: 58,542,584 km (0.053 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 482 - 17,336 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit