🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 978.7

Radius: 13.3

Gravity: 5.53 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 0.65 AU - 0.77 AU

Year: 392 Days

Day: 9.6 Hours

Environment

Temp: -147 °C

Axial Tilt: 48.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 90,867,047 km

• M1: 165,455 km (0.115 R)
• M2: 580,589 km (0.059 R)
• M3: 1,048,681 km (0.114 R)
• M4: 1,647,222 km (0.057 R)
• M5: 2,411,966 km (0.118 R)
• M6: 2,936,307 km (0.11 R)
• M7: 4,012,364 km (0.065 R)
• M8: 4,678,973 km (0.108 R)
• M9: 5,965,664 km (0.086 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 64.3

Radius: 10.8

Gravity: 0.55 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 2.68 AU - 3.04 AU

Year: 3173 Days

Day: 10.7 Hours

Environment

Temp: -210 °C

Axial Tilt: 19.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 90,867,047 km

• M1: 134,937 km (0.046 R)
• M2: 506,838 km (0.111 R)
• M3: 1,021,454 km (0.106 R)
• M4: 1,597,855 km (0.091 R)
• M5: 5,027,236 km (0.08 R)
• M6: 6,146,229 km (0.093 R)
• M7: 8,151,738 km (0.112 R)
• M8: 8,492,970 km (0.083 R)

Planet 3 - Ice Giant

Semi-Major Axis: 6.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 576.5

Radius: 3.2

Gravity: 56.3 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 5.82 AU - 6.72 AU

Year: 10299 Days

Day: 22.7 Hours

Environment

Temp: -231 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 90,867,047 km

• M1: 43,533 km (0.095 R)
• M2: 183,257 km (0.108 R)
• M3: 341,382 km (0.095 R)
• M4: 786,586 km (0.107 R)
• M5: 1,260,212 km (0.073 R)
• M6: 2,394,613 km (0.06 R)
• M7: 2,550,195 km (0.107 R)
• M8: 4,616,740 km (0.093 R)
• M9: 5,366,076 km (0.105 R)
• M10: 5,873,512 km (0.09 R)
• M11: 6,866,393 km (0.048 R)
• M12: 8,852,304 km (0.096 R)
• M13: 9,753,482 km (0.068 R)
• M14: 10,050,434 km (0.054 R)
• M15: 10,558,468 km (0.072 R)
• M16: 13,057,949 km (0.098 R)
• M17: 14,222,120 km (0.07 R)
• M18: 14,667,922 km (0.044 R)
• M19: 21,010,572 km (0.069 R)
• M20: 27,567,596 km (0.049 R)
• M21: 29,268,823 km (0.104 R)
• M22: 31,251,594 km (0.115 R)
• M23: 31,572,631 km (0.069 R)
• M24: 33,994,471 km (0.052 R)
• M25: 35,598,309 km (0.062 R)
• M26: 35,714,696 km (0.12 R)
• M27: 36,893,378 km (0.111 R)
• M28: 40,330,838 km (0.076 R)
• M29: 41,350,946 km (0.068 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 916.4

Radius: 6.3

Gravity: 23.09 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 5.46 AU - 8.52 AU

Year: 12123 Days

Day: 17.4 Hours

Environment

Temp: -219 °C

Axial Tilt: 45.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 90,867,047 km

• M1: 79,287 km (0.073 R)
• M2: 342,878 km (0.069 R)
• M3: 617,989 km (0.118 R)
• M4: 1,061,098 km (0.092 R)
• M5: 1,649,466 km (0.091 R)
• M6: 1,917,396 km (0.048 R)
• M7: 2,118,156 km (0.119 R)
• M8: 2,541,069 km (0.069 R)
• M9: 3,718,554 km (0.065 R)
• M10: 4,121,571 km (0.088 R)
• M11: 4,879,883 km (0.114 R)
• M12: 5,187,007 km (0.026 R)
• M13: 5,953,995 km (0.071 R)
• M14: 6,265,159 km (0.057 R)
• M15: 7,396,418 km (0.047 R)
• M16: 7,619,917 km (0.048 R)
• M17: 8,756,412 km (0.104 R)
• M18: 12,458,062 km (0.086 R)
• M19: 13,032,219 km (0.075 R)
• M20: 13,293,117 km (0.082 R)
• M21: 14,302,304 km (0.058 R)
• M22: 14,649,820 km (0.047 R)
• M23: 15,799,630 km (0.087 R)
• M24: 18,196,636 km (0.057 R)
• M25: 18,769,596 km (0.099 R)
• M26: 21,816,157 km (0.11 R)
• M27: 26,197,280 km (0.084 R)
• M28: 29,759,205 km (0.073 R)
• M29: 39,569,983 km (0.083 R)
• M30: 41,930,638 km (0.118 R)
• M31: 46,473,925 km (0.042 R)
• M32: 46,930,198 km (0.067 R)
• M33: 47,543,250 km (0.063 R)
• M34: 51,334,509 km (0.071 R)
• M35: 51,659,286 km (0.112 R)
• M36: 52,477,138 km (0.101 R)
• M37: 53,137,612 km (0.094 R)
• M38: 54,813,109 km (0.105 R)
• M39: 56,523,461 km (0.058 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.24 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 893

Radius: 3.4

Gravity: 77.25 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 7.25 AU - 11.23 AU

Year: 18425 Days

Day: 23.7 Hours

Environment

Temp: -230 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 90,867,047 km

• M1: 54,005 km (0.1 R)
• M2: 168,298 km (0.114 R)
• M3: 340,934 km (0.047 R)
• M4: 634,594 km (0.095 R)
• M5: 868,416 km (0.101 R)
• M6: 1,089,372 km (0.117 R)
• M7: 1,213,239 km (0.114 R)
• M8: 3,025,916 km (0.078 R)
• M9: 4,058,889 km (0.079 R)
• M10: 4,530,871 km (0.066 R)
• M11: 5,869,772 km (0.102 R)
• M12: 7,067,452 km (0.118 R)
• M13: 7,899,815 km (0.106 R)
• M14: 9,815,415 km (0.102 R)
• M15: 11,686,137 km (0.085 R)
• M16: 15,628,340 km (0.107 R)
• M17: 17,288,128 km (0.097 R)
• M18: 17,633,550 km (0.093 R)
• M19: 21,246,787 km (0.069 R)
• M20: 21,543,589 km (0.031 R)
• M21: 22,552,926 km (0.083 R)
• M22: 23,699,145 km (0.069 R)
• M23: 23,805,210 km (0.074 R)
• M24: 27,253,142 km (0.055 R)
• M25: 27,956,850 km (0.103 R)
• M26: 32,828,654 km (0.115 R)
• M27: 35,533,234 km (0.113 R)
• M28: 37,945,799 km (0.12 R)
• M29: 39,266,300 km (0.099 R)
• M30: 46,495,766 km (0.057 R)
• M31: 48,176,648 km (0.057 R)
• M32: 50,071,903 km (0.088 R)
• M33: 51,303,543 km (0.103 R)
• M34: 51,837,457 km (0.042 R)
• M35: 52,735,643 km (0.073 R)
• M36: 55,492,283 km (0.112 R)
• M37: 61,490,709 km (0.095 R)
• M38: 63,309,819 km (0.102 R)
• M39: 68,120,886 km (0.078 R)
• M40: 70,725,086 km (0.079 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 319.8

Radius: 5.7

Gravity: 9.84 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 9.18 AU - 9.42 AU

Year: 18605 Days

Day: 16 Hours

Environment

Temp: -223 °C

Axial Tilt: 25.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 90,867,047 km

• M1: 70,909 km (0.064 R)
• M2: 540,796 km (0.098 R)
• M3: 1,002,455 km (0.12 R)
• M4: 1,441,076 km (0.095 R)
• M5: 1,999,376 km (0.069 R)
• M6: 3,377,770 km (0.106 R)
• M7: 9,114,998 km (0.071 R)
• M8: 9,417,635 km (0.11 R)
• M9: 10,365,636 km (0.091 R)
• M10: 11,491,809 km (0.106 R)
• M11: 13,459,769 km (0.081 R)
• M12: 17,195,378 km (0.1 R)
• M13: 19,011,645 km (0.087 R)
• M14: 20,433,723 km (0.106 R)
• M15: 27,454,800 km (0.061 R)
• M16: 37,835,396 km (0.096 R)
• M17: 38,355,099 km (0.118 R)
• M18: 41,849,705 km (0.119 R)
• M19: 42,405,461 km (0.064 R)
• M20: 53,759,192 km (0.082 R)
• M21: 54,251,219 km (0.108 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 853.7

Radius: 3.1

Gravity: 88.83 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 9.96 AU - 11.7 AU

Year: 23380 Days

Day: 24.5 Hours

Environment

Temp: -237 °C

Axial Tilt: 17.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 90,867,047 km

• M1: 43,533 km (0.093 R)
• M2: 203,453 km (0.078 R)
• M3: 642,074 km (0.12 R)
• M4: 1,440,777 km (0.119 R)
• M5: 1,786,947 km (0.114 R)
• M6: 2,987,021 km (0.071 R)
• M7: 3,640,015 km (0.09 R)
• M8: 4,944,210 km (0.106 R)
• M9: 5,141,529 km (0.051 R)
• M10: 5,467,952 km (0.112 R)
• M11: 5,851,521 km (0.093 R)
• M12: 6,027,747 km (0.049 R)
• M13: 6,436,897 km (0.11 R)
• M14: 12,016,299 km (0.104 R)
• M15: 12,300,984 km (0.097 R)
• M16: 15,315,531 km (0.104 R)
• M17: 16,333,694 km (0.117 R)
• M18: 16,859,381 km (0.101 R)
• M19: 21,372,749 km (0.115 R)
• M20: 21,790,426 km (0.092 R)
• M21: 25,914,690 km (0.093 R)
• M22: 30,136,790 km (0.079 R)
• M23: 31,192,652 km (0.101 R)
• M24: 33,378,277 km (0.084 R)
• M25: 34,651,355 km (0.094 R)
• M26: 34,794,670 km (0.077 R)
• M27: 36,993,908 km (0.061 R)
• M28: 38,356,894 km (0.085 R)
• M29: 43,975,640 km (0.045 R)
• M30: 44,650,626 km (0.092 R)
• M31: 45,332,643 km (0.092 R)
• M32: 48,487,512 km (0.047 R)
• M33: 52,349,381 km (0.087 R)
• M34: 57,208,021 km (0.042 R)
• M35: 61,935,613 km (0.117 R)
• M36: 63,210,336 km (0.051 R)
• M37: 65,592,533 km (0.086 R)
• M38: 68,033,970 km (0.045 R)
• M39: 69,847,096 km (0.111 R)
• M40: 79,896,632 km (0.096 R)
• M41: 88,436,726 km (0.11 R)
• M42: 90,594,825 km (0.093 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 435 - 13,617 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit