🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.45

Radius: 0.73

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 0.44 AU - 0.6 AU

Year: 246 Days

Day: 25.6 Hours

Environment

Temp: -111 °C

Axial Tilt: 32.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 81,905,419 km

• M1: 59,989 km (0.112 R)
• M2: 181,163 km (0.096 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 846.3

Radius: 10.8

Gravity: 7.26 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 0.84 AU - 1.04 AU

Year: 598 Days

Day: 8.1 Hours

Environment

Temp: -149 °C

Axial Tilt: 26.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 81,905,419 km

• M1: 134,339 km (0.114 R)
• M2: 477,217 km (0.05 R)
• M3: 824,733 km (0.116 R)
• M4: 1,311,375 km (0.058 R)
• M5: 1,746,106 km (0.026 R)
• M6: 2,113,519 km (0.054 R)
• M7: 2,543,463 km (0.091 R)
• M8: 3,216,055 km (0.058 R)
• M9: 3,663,203 km (0.111 R)
• M10: 4,091,951 km (0.088 R)
• M11: 4,443,206 km (0.06 R)
• M12: 4,914,888 km (0.099 R)
• M13: 5,384,027 km (0.094 R)
• M14: 5,920,934 km (0.117 R)
• M15: 6,472,950 km (0.062 R)
• M16: 7,521,332 km (0.115 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 888.4

Radius: 10.4

Gravity: 8.21 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 1 AU - 1.6 AU

Year: 972 Days

Day: 10.3 Hours

Environment

Temp: -169 °C

Axial Tilt: 79.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 81,905,419 km

• M1: 129,701 km (0.091 R)
• M2: 457,919 km (0.051 R)
• M3: 1,059,901 km (0.055 R)
• M4: 1,478,476 km (0.04 R)
• M5: 2,027,201 km (0.055 R)
• M6: 2,596,720 km (0.073 R)
• M7: 3,269,910 km (0.11 R)
• M8: 3,640,464 km (0.081 R)
• M9: 4,275,058 km (0.081 R)
• M10: 4,811,965 km (0.034 R)
• M11: 5,233,981 km (0.077 R)
• M12: 6,307,944 km (0.07 R)
• M13: 6,673,561 km (0.067 R)
• M14: 7,701,298 km (0.041 R)
• M15: 8,253,165 km (0.09 R)
• M16: 9,884,979 km (0.103 R)
• M17: 10,410,815 km (0.088 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 705.6

Radius: 13.2

Gravity: 4.05 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 2.79 AU - 3.39 AU

Year: 3563 Days

Day: 5.3 Hours

Environment

Temp: -211 °C

Axial Tilt: 45.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 81,905,419 km

• M1: 165,006 km (0.078 R)
• M2: 694,733 km (0.09 R)
• M3: 1,245,402 km (0.082 R)
• M4: 2,673,164 km (0.092 R)
• M5: 3,276,493 km (0.101 R)
• M6: 3,927,393 km (0.095 R)
• M7: 4,499,754 km (0.094 R)
• M8: 4,928,352 km (0.069 R)
• M9: 7,048,902 km (0.09 R)
• M10: 7,696,062 km (0.11 R)
• M11: 8,524,535 km (0.093 R)
• M12: 8,960,613 km (0.116 R)
• M13: 10,772,692 km (0.114 R)
• M14: 12,306,818 km (0.048 R)
• M15: 12,723,897 km (0.115 R)
• M16: 13,391,553 km (0.106 R)
• M17: 14,641,742 km (0.054 R)
• M18: 15,375,071 km (0.094 R)
• M19: 21,278,951 km (0.093 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 854.5

Radius: 6.4

Gravity: 20.86 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 6.17 AU - 7.91 AU

Year: 12254 Days

Day: 18.6 Hours

Environment

Temp: -234 °C

Axial Tilt: 47.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 81,905,419 km

• M1: 81,680 km (0.083 R)
• M2: 374,593 km (0.077 R)
• M3: 674,238 km (0.091 R)
• M4: 1,128,716 km (0.076 R)
• M5: 1,594,414 km (0.114 R)
• M6: 2,378,457 km (0.091 R)
• M7: 3,044,317 km (0.101 R)
• M8: 3,799,636 km (0.06 R)
• M9: 5,209,596 km (0.109 R)
• M10: 5,748,448 km (0.119 R)
• M11: 7,544,221 km (0.069 R)
• M12: 9,684,218 km (0.112 R)
• M13: 10,892,520 km (0.103 R)
• M14: 12,321,928 km (0.085 R)
• M15: 12,761,446 km (0.061 R)
• M16: 14,347,633 km (0.108 R)
• M17: 15,188,073 km (0.039 R)
• M18: 19,295,732 km (0.105 R)
• M19: 21,198,766 km (0.095 R)
• M20: 22,845,988 km (0.1 R)
• M21: 23,318,269 km (0.033 R)
• M22: 24,380,264 km (0.12 R)
• M23: 28,081,316 km (0.086 R)
• M24: 29,061,780 km (0.112 R)
• M25: 30,518,115 km (0.083 R)
• M26: 32,140,205 km (0.043 R)
• M27: 33,697,070 km (0.108 R)
• M28: 35,053,025 km (0.102 R)
• M29: 36,445,033 km (0.039 R)
• M30: 37,742,196 km (0.102 R)
• M31: 39,069,728 km (0.094 R)
• M32: 53,435,163 km (0.089 R)
• M33: 55,616,150 km (0.074 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 298.8

Radius: 5.5

Gravity: 9.88 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 6.12 AU - 10.06 AU

Year: 15095 Days

Day: 22.4 Hours

Environment

Temp: -220 °C

Axial Tilt: 23.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 81,905,419 km

• M1: 68,366 km (0.108 R)
• M2: 253,269 km (0.08 R)
• M3: 530,025 km (0.115 R)
• M4: 1,029,682 km (0.114 R)
• M5: 1,533,079 km (0.083 R)
• M6: 2,046,948 km (0.087 R)
• M7: 3,761,190 km (0.101 R)
• M8: 4,363,471 km (0.067 R)
• M9: 4,902,173 km (0.079 R)
• M10: 7,179,800 km (0.074 R)
• M11: 9,149,406 km (0.088 R)
• M12: 11,899,015 km (0.105 R)
• M13: 12,183,849 km (0.089 R)
• M14: 13,801,301 km (0.115 R)
• M15: 15,021,721 km (0.099 R)
• M16: 16,806,124 km (0.083 R)
• M17: 19,268,355 km (0.04 R)
• M18: 22,303,247 km (0.114 R)
• M19: 25,453,928 km (0.114 R)
• M20: 28,481,490 km (0.062 R)
• M21: 29,610,954 km (0.089 R)
• M22: 33,066,365 km (0.114 R)
• M23: 36,064,456 km (0.103 R)
• M24: 37,143,057 km (0.113 R)
• M25: 37,629,250 km (0.061 R)
• M26: 42,197,819 km (0.097 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 283.2

Radius: 3.4

Gravity: 24.5 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 9.55 AU - 10.13 AU

Year: 20249 Days

Day: 17.3 Hours

Environment

Temp: -232 °C

Axial Tilt: 41.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 81,905,419 km

• M1: 47,123 km (0.078 R)
• M2: 162,014 km (0.087 R)
• M3: 298,897 km (0.083 R)
• M4: 415,732 km (0.1 R)
• M5: 710,291 km (0.029 R)
• M6: 1,011,730 km (0.089 R)
• M7: 1,493,585 km (0.107 R)
• M8: 1,694,794 km (0.054 R)
• M9: 1,844,392 km (0.056 R)
• M10: 2,170,216 km (0.098 R)
• M11: 4,874,048 km (0.112 R)
• M12: 5,177,433 km (0.114 R)
• M13: 5,421,876 km (0.12 R)
• M14: 6,638,555 km (0.117 R)
• M15: 8,886,114 km (0.061 R)
• M16: 9,389,361 km (0.054 R)
• M17: 10,018,121 km (0.118 R)
• M18: 11,300,922 km (0.047 R)
• M19: 15,224,874 km (0.118 R)
• M20: 15,944,291 km (0.071 R)
• M21: 17,528,383 km (0.1 R)
• M22: 17,999,616 km (0.053 R)
• M23: 19,884,100 km (0.069 R)
• M24: 20,917,522 km (0.112 R)
• M25: 21,626,167 km (0.071 R)
• M26: 22,442,224 km (0.068 R)
• M27: 27,774,341 km (0.085 R)
• M28: 28,093,134 km (0.09 R)
• M29: 30,505,549 km (0.078 R)
• M30: 31,994,197 km (0.086 R)
• M31: 54,621,025 km (0.11 R)
• M32: 56,810,539 km (0.077 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 674.4

Radius: 3.3

Gravity: 61.93 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 8.8 AU - 12.32 AU

Year: 22512 Days

Day: 18.7 Hours

Environment

Temp: -231 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (43)

Outer Limit: 81,905,419 km

• M1: 41,289 km (0.103 R)
• M2: 197,170 km (0.077 R)
• M3: 593,754 km (0.11 R)
• M4: 725,849 km (0.099 R)
• M5: 866,022 km (0.086 R)
• M6: 973,583 km (0.119 R)
• M7: 1,289,683 km (0.055 R)
• M8: 1,652,308 km (0.091 R)
• M9: 2,363,796 km (0.076 R)
• M10: 2,748,861 km (0.079 R)
• M11: 3,009,760 km (0.072 R)
• M12: 3,146,342 km (0.111 R)
• M13: 3,258,690 km (0.071 R)
• M14: 6,504,515 km (0.083 R)
• M15: 7,500,987 km (0.032 R)
• M16: 7,803,324 km (0.115 R)
• M17: 8,704,203 km (0.117 R)
• M18: 8,925,907 km (0.073 R)
• M19: 10,584,199 km (0.062 R)
• M20: 11,353,730 km (0.067 R)
• M21: 11,752,259 km (0.107 R)
• M22: 13,735,628 km (0.028 R)
• M23: 14,806,300 km (0.106 R)
• M24: 16,179,608 km (0.056 R)
• M25: 21,300,792 km (0.103 R)
• M26: 22,419,485 km (0.064 R)
• M27: 24,333,590 km (0.098 R)
• M28: 30,090,265 km (0.118 R)
• M29: 31,237,831 km (0.085 R)
• M30: 39,793,333 km (0.111 R)
• M31: 40,710,667 km (0.113 R)
• M32: 43,386,225 km (0.039 R)
• M33: 45,842,173 km (0.057 R)
• M34: 47,189,152 km (0.119 R)
• M35: 47,872,515 km (0.095 R)
• M36: 53,393,275 km (0.039 R)
• M37: 54,135,131 km (0.098 R)
• M38: 60,921,788 km (0.047 R)
• M39: 63,995,875 km (0.111 R)
• M40: 65,253,993 km (0.091 R)
• M41: 67,819,447 km (0.118 R)
• M42: 72,243,355 km (0.111 R)
• M43: 79,233,465 km (0.05 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 527 - 15,858 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit