🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.49 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.98 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.77

Radius: 1.26

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 0.91 AU - 1.05 AU

Year: 367 Days

Day: 32.6 Hours

Environment

Temp: 24 °C

Axial Tilt: 4.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Gas Giant

Semi-Major Axis: 7.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 444.2

Radius: 14.4

Gravity: 2.14 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 5.97 AU - 9.23 AU

Year: 7935 Days

Day: 14.9 Hours

Environment

Temp: -169 °C

Axial Tilt: 23.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 72,156,839 km

• M1: 179,069 km (0.026 R)
• M2: 964,158 km (0.077 R)
• M3: 1,509,293 km (0.114 R)
• M4: 2,294,083 km (0.085 R)
• M5: 2,914,466 km (0.084 R)
• M6: 3,923,354 km (0.102 R)
• M7: 4,496,613 km (0.079 R)
• M8: 5,843,891 km (0.102 R)
• M9: 9,110,810 km (0.07 R)
• M10: 9,762,009 km (0.101 R)
• M11: 11,206,526 km (0.113 R)
• M12: 11,852,938 km (0.109 R)
• M13: 13,886,871 km (0.04 R)
• M14: 16,395,179 km (0.051 R)
• M15: 17,099,186 km (0.057 R)
• M16: 19,830,694 km (0.054 R)
• M17: 20,410,086 km (0.075 R)
• M18: 21,526,834 km (0.111 R)
• M19: 24,621,266 km (0.114 R)
• M20: 25,206,493 km (0.089 R)
• M21: 27,106,536 km (0.087 R)
• M22: 28,182,294 km (0.054 R)
• M23: 30,133,200 km (0.109 R)

Planet 3 - Gas Giant

Semi-Major Axis: 7.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 767

Radius: 11.7

Gravity: 5.6 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 6.11 AU - 9.31 AU

Year: 8108 Days

Day: 5.3 Hours

Environment

Temp: -161 °C

Axial Tilt: 7.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 72,156,839 km

• M1: 155,283 km (0.09 R)
• M2: 975,827 km (0.103 R)
• M3: 1,532,630 km (0.076 R)
• M4: 1,916,798 km (0.117 R)
• M5: 2,475,246 km (0.082 R)
• M6: 4,595,347 km (0.113 R)
• M7: 5,036,063 km (0.093 R)
• M8: 6,567,197 km (0.119 R)
• M9: 7,966,685 km (0.119 R)
• M10: 9,185,908 km (0.117 R)
• M11: 10,178,938 km (0.093 R)
• M12: 11,294,789 km (0.119 R)
• M13: 13,352,508 km (0.095 R)
• M14: 14,009,841 km (0.085 R)
• M15: 15,131,675 km (0.069 R)
• M16: 15,714,658 km (0.116 R)
• M17: 17,272,720 km (0.079 R)
• M18: 19,230,507 km (0.064 R)
• M19: 20,146,345 km (0.098 R)
• M20: 20,773,011 km (0.032 R)
• M21: 21,331,908 km (0.105 R)
• M22: 27,390,622 km (0.117 R)
• M23: 27,869,635 km (0.062 R)
• M24: 30,965,862 km (0.079 R)
• M25: 32,543,521 km (0.1 R)
• M26: 35,403,832 km (0.119 R)
• M27: 38,189,195 km (0.108 R)
• M28: 39,879,651 km (0.075 R)
• M29: 41,117,424 km (0.044 R)
• M30: 43,021,804 km (0.064 R)

Planet 4 - Gas Giant

Semi-Major Axis: 8.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 232.9

Radius: 12.6

Gravity: 1.47 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 6.84 AU - 9.4 AU

Year: 8764 Days

Day: 13 Hours

Environment

Temp: -174 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 72,156,839 km

• M1: 156,629 km (0.091 R)
• M2: 692,489 km (0.104 R)
• M3: 1,272,180 km (0.102 R)
• M4: 1,923,380 km (0.076 R)
• M5: 2,842,659 km (0.116 R)
• M6: 3,808,911 km (0.08 R)
• M7: 4,567,373 km (0.071 R)
• M8: 5,311,323 km (0.096 R)
• M9: 6,227,759 km (0.086 R)
• M10: 6,707,669 km (0.059 R)
• M11: 7,316,084 km (0.097 R)
• M12: 10,126,280 km (0.083 R)
• M13: 10,746,513 km (0.098 R)
• M14: 11,438,852 km (0.105 R)
• M15: 13,222,507 km (0.086 R)
• M16: 18,743,716 km (0.099 R)
• M17: 22,008,689 km (0.077 R)
• M18: 23,277,728 km (0.085 R)
• M19: 27,462,280 km (0.119 R)
• M20: 29,642,369 km (0.098 R)

Planet 5 - Ice Giant

Semi-Major Axis: 14.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 165.9

Radius: 3.9

Gravity: 10.91 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 11.62 AU - 17.84 AU

Year: 21412 Days

Day: 24.3 Hours

Environment

Temp: -203 °C

Axial Tilt: 3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 72,156,839 km

• M1: 240,404 km (0.086 R)
• M2: 659,727 km (0.096 R)
• M3: 1,035,367 km (0.102 R)
• M4: 1,160,580 km (0.117 R)
• M5: 1,830,480 km (0.108 R)
• M6: 2,304,705 km (0.055 R)
• M7: 2,769,356 km (0.078 R)
• M8: 3,466,033 km (0.106 R)
• M9: 4,688,696 km (0.075 R)
• M10: 6,284,008 km (0.113 R)
• M11: 7,856,581 km (0.063 R)
• M12: 8,756,711 km (0.073 R)
• M13: 9,183,364 km (0.115 R)
• M14: 11,138,459 km (0.066 R)
• M15: 11,695,562 km (0.047 R)
• M16: 13,416,386 km (0.081 R)
• M17: 15,096,220 km (0.099 R)
• M18: 15,916,765 km (0.087 R)
• M19: 16,983,846 km (0.105 R)
• M20: 17,796,013 km (0.037 R)
• M21: 19,898,761 km (0.025 R)
• M22: 26,109,017 km (0.097 R)
• M23: 28,095,079 km (0.084 R)
• M24: 36,076,574 km (0.089 R)
• M25: 38,034,660 km (0.081 R)
• M26: 46,291,565 km (0.039 R)

Planet 6 - Ice Giant

Semi-Major Axis: 18.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 261.5

Radius: 6.7

Gravity: 5.83 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 15.12 AU - 21.68 AU

Year: 29893 Days

Day: 21 Hours

Environment

Temp: -203 °C

Axial Tilt: 155.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 72,156,839 km

• M1: 83,326 km (0.058 R)
• M2: 510,727 km (0.105 R)
• M3: 779,854 km (0.089 R)
• M4: 1,092,214 km (0.095 R)
• M5: 1,615,208 km (0.07 R)
• M6: 2,048,892 km (0.05 R)
• M7: 2,603,452 km (0.082 R)
• M8: 3,390,187 km (0.101 R)
• M9: 3,976,012 km (0.075 R)
• M10: 4,592,954 km (0.117 R)
• M11: 6,015,929 km (0.102 R)
• M12: 7,144,495 km (0.066 R)
• M13: 7,954,867 km (0.104 R)
• M14: 8,719,461 km (0.112 R)
• M15: 10,043,103 km (0.106 R)
• M16: 10,334,819 km (0.111 R)
• M17: 10,813,383 km (0.117 R)
• M18: 12,538,246 km (0.082 R)
• M19: 13,221,161 km (0.084 R)
• M20: 15,418,903 km (0.058 R)
• M21: 17,763,999 km (0.108 R)
• M22: 21,470,436 km (0.04 R)
• M23: 25,123,766 km (0.065 R)
• M24: 28,584,563 km (0.044 R)
• M25: 34,947,858 km (0.055 R)
• M26: 35,349,229 km (0.073 R)
• M27: 36,571,443 km (0.029 R)
• M28: 47,707,808 km (0.1 R)
• M29: 50,721,906 km (0.081 R)
• M30: 52,624,941 km (0.026 R)
• M31: 63,650,304 km (0.101 R)
• M32: 65,052,484 km (0.106 R)
• M33: 66,885,358 km (0.098 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 147 - 16,943 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit