🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 767.8

Radius: 12

Gravity: 5.33 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 0.73 AU - 1.03 AU

Year: 550 Days

Day: 13.5 Hours

Environment

Temp: -174 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 39,037,336 km

• M1: 149,299 km (0.055 R)
• M2: 567,724 km (0.057 R)
• M3: 1,020,706 km (0.08 R)
• M4: 1,782,608 km (0.112 R)
• M5: 2,348,387 km (0.095 R)
• M6: 2,728,366 km (0.113 R)
• M7: 3,125,997 km (0.057 R)
• M8: 4,183,804 km (0.105 R)
• M9: 5,310,276 km (0.12 R)
• M10: 6,431,063 km (0.085 R)
• M11: 6,851,582 km (0.08 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 815.4

Radius: 13

Gravity: 4.82 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 1.45 AU - 1.49 AU

Year: 1189 Days

Day: 7 Hours

Environment

Temp: -195 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 39,037,336 km

• M1: 161,715 km (0.093 R)
• M2: 609,163 km (0.108 R)
• M3: 1,078,900 km (0.079 R)
• M4: 1,518,718 km (0.105 R)
• M5: 2,199,986 km (0.098 R)
• M6: 2,980,438 km (0.062 R)
• M7: 3,567,012 km (0.109 R)
• M8: 5,376,996 km (0.059 R)
• M9: 5,824,443 km (0.086 R)
• M10: 6,649,625 km (0.062 R)
• M11: 7,090,789 km (0.089 R)
• M12: 8,618,633 km (0.092 R)
• M13: 9,114,250 km (0.114 R)
• M14: 9,877,648 km (0.087 R)
• M15: 10,355,913 km (0.113 R)
• M16: 11,497,644 km (0.11 R)
• M17: 12,207,336 km (0.109 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 736.5

Radius: 9.9

Gravity: 7.51 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 1.42 AU - 2.04 AU

Year: 1517 Days

Day: 11.5 Hours

Environment

Temp: -204 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 39,037,336 km

• M1: 123,119 km (0.084 R)
• M2: 450,439 km (0.094 R)
• M3: 870,959 km (0.109 R)
• M4: 1,318,855 km (0.093 R)
• M5: 2,115,314 km (0.085 R)
• M6: 2,464,775 km (0.113 R)
• M7: 2,783,119 km (0.114 R)
• M8: 3,312,695 km (0.101 R)
• M9: 4,306,324 km (0.091 R)
• M10: 4,811,816 km (0.075 R)
• M11: 5,871,716 km (0.069 R)
• M12: 6,518,877 km (0.108 R)
• M13: 8,012,013 km (0.041 R)
• M14: 8,447,941 km (0.094 R)
• M15: 9,431,248 km (0.09 R)
• M16: 9,917,591 km (0.089 R)
• M17: 11,082,210 km (0.079 R)
• M18: 11,957,507 km (0.1 R)
• M19: 12,799,893 km (0.083 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 181.2

Radius: 14.9

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 1.81 AU - 1.87 AU

Year: 1664 Days

Day: 7.7 Hours

Environment

Temp: -202 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 39,037,336 km

• M1: 186,399 km (0.109 R)
• M2: 714,180 km (0.053 R)
• M3: 1,285,345 km (0.12 R)
• M4: 2,126,833 km (0.107 R)
• M5: 5,989,300 km (0.111 R)
• M6: 6,993,850 km (0.066 R)
• M7: 7,525,072 km (0.072 R)
• M8: 8,436,273 km (0.106 R)
• M9: 8,932,339 km (0.101 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 879.5

Radius: 12.9

Gravity: 5.29 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 3.62 AU - 3.62 AU

Year: 4593 Days

Day: 5.5 Hours

Environment

Temp: -227 °C

Axial Tilt: 16.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 39,037,336 km

• M1: 160,369 km (0.115 R)
• M2: 636,689 km (0.052 R)
• M3: 1,044,492 km (0.1 R)
• M4: 1,483,263 km (0.045 R)
• M5: 2,179,791 km (0.102 R)
• M6: 2,897,561 km (0.1 R)
• M7: 3,302,672 km (0.109 R)
• M8: 4,086,864 km (0.093 R)
• M9: 5,874,110 km (0.115 R)
• M10: 6,368,830 km (0.095 R)
• M11: 6,958,695 km (0.074 R)
• M12: 8,022,934 km (0.096 R)
• M13: 8,477,861 km (0.088 R)
• M14: 9,315,609 km (0.101 R)
• M15: 10,742,922 km (0.079 R)
• M16: 12,815,302 km (0.087 R)
• M17: 13,544,142 km (0.119 R)
• M18: 14,300,659 km (0.11 R)
• M19: 17,993,482 km (0.088 R)
• M20: 18,577,812 km (0.037 R)
• M21: 19,852,984 km (0.076 R)
• M22: 20,900,169 km (0.108 R)
• M23: 21,545,983 km (0.108 R)
• M24: 23,717,994 km (0.11 R)
• M25: 26,948,112 km (0.098 R)
• M26: 27,971,810 km (0.105 R)
• M27: 30,736,079 km (0.099 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 500.2

Radius: 12.4

Gravity: 3.25 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 3.89 AU - 4.01 AU

Year: 5235 Days

Day: 12.1 Hours

Environment

Temp: -212 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 39,037,336 km

• M1: 154,235 km (0.083 R)
• M2: 554,260 km (0.075 R)
• M3: 1,521,261 km (0.103 R)
• M4: 2,386,535 km (0.066 R)
• M5: 2,994,052 km (0.114 R)
• M6: 3,940,558 km (0.088 R)
• M7: 4,376,187 km (0.078 R)
• M8: 5,024,693 km (0.095 R)
• M9: 5,427,411 km (0.12 R)
• M10: 5,998,127 km (0.117 R)
• M11: 6,608,486 km (0.072 R)
• M12: 7,126,244 km (0.115 R)
• M13: 7,566,810 km (0.114 R)
• M14: 8,540,393 km (0.108 R)
• M15: 10,692,059 km (0.052 R)
• M16: 11,090,588 km (0.098 R)
• M17: 12,883,668 km (0.09 R)
• M18: 15,527,960 km (0.101 R)
• M19: 16,562,878 km (0.116 R)
• M20: 17,704,459 km (0.052 R)
• M21: 18,325,889 km (0.062 R)
• M22: 18,897,801 km (0.079 R)
• M23: 22,509,842 km (0.114 R)
• M24: 23,018,924 km (0.106 R)
• M25: 24,439,804 km (0.077 R)
• M26: 25,445,251 km (0.12 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 364

Radius: 12.3

Gravity: 2.41 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 3.8 AU - 5.12 AU

Year: 6281 Days

Day: 8.5 Hours

Environment

Temp: -223 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 39,037,336 km

• M1: 153,039 km (0.112 R)
• M2: 595,549 km (0.116 R)
• M3: 1,152,352 km (0.049 R)
• M4: 1,599,201 km (0.03 R)
• M5: 2,838,320 km (0.062 R)
• M6: 3,485,032 km (0.12 R)
• M7: 4,158,222 km (0.105 R)
• M8: 5,453,291 km (0.086 R)
• M9: 5,940,083 km (0.06 R)
• M10: 6,393,663 km (0.115 R)
• M11: 8,557,148 km (0.113 R)
• M12: 9,456,829 km (0.115 R)
• M13: 9,992,689 km (0.085 R)
• M14: 12,293,355 km (0.101 R)
• M15: 13,541,450 km (0.05 R)
• M16: 14,927,324 km (0.066 R)
• M17: 15,428,328 km (0.048 R)
• M18: 16,879,427 km (0.111 R)
• M19: 20,389,292 km (0.106 R)
• M20: 23,377,510 km (0.078 R)
• M21: 25,682,962 km (0.117 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 672

Radius: 9.9

Gravity: 6.86 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 5.08 AU - 5.9 AU

Year: 8578 Days

Day: 11 Hours

Environment

Temp: -235 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 39,037,336 km

• M1: 126,709 km (0.105 R)
• M2: 715,826 km (0.112 R)
• M3: 1,084,585 km (0.063 R)
• M4: 2,242,472 km (0.119 R)
• M5: 2,666,432 km (0.064 R)
• M6: 4,323,678 km (0.112 R)
• M7: 5,014,521 km (0.066 R)
• M8: 6,762,572 km (0.071 R)
• M9: 7,102,009 km (0.117 R)
• M10: 9,759,615 km (0.089 R)
• M11: 11,101,209 km (0.112 R)
• M12: 18,138,891 km (0.114 R)
• M13: 18,502,115 km (0.064 R)
• M14: 20,705,243 km (0.112 R)
• M15: 22,740,372 km (0.114 R)
• M16: 23,333,378 km (0.103 R)
• M17: 33,837,243 km (0.117 R)
• M18: 34,277,510 km (0.081 R)
• M19: 35,848,437 km (0.112 R)
• M20: 38,413,143 km (0.106 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 224.2

Radius: 11.2

Gravity: 1.79 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 5.28 AU - 5.84 AU

Year: 8743 Days

Day: 11.9 Hours

Environment

Temp: -236 °C

Axial Tilt: 18.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 39,037,336 km

• M1: 139,276 km (0.046 R)
• M2: 934,837 km (0.033 R)
• M3: 1,699,432 km (0.041 R)
• M4: 3,874,734 km (0.11 R)
• M5: 4,564,530 km (0.109 R)
• M6: 6,503,917 km (0.074 R)
• M7: 6,896,163 km (0.119 R)
• M8: 8,281,589 km (0.026 R)
• M9: 8,980,211 km (0.093 R)
• M10: 12,923,910 km (0.093 R)
• M11: 13,336,351 km (0.037 R)
• M12: 16,654,581 km (0.093 R)
• M13: 18,407,120 km (0.118 R)
• M14: 21,404,463 km (0.113 R)
• M15: 22,868,877 km (0.06 R)
• M16: 24,791,958 km (0.119 R)
• M17: 26,903,831 km (0.107 R)
• M18: 28,608,199 km (0.074 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 239.5

Radius: 5.6

Gravity: 7.64 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 5.27 AU - 8.79 AU

Year: 12430 Days

Day: 16.8 Hours

Environment

Temp: -238 °C

Axial Tilt: 7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 39,037,336 km

• M1: 69,862 km (0.097 R)
• M2: 244,742 km (0.042 R)
• M3: 430,543 km (0.088 R)
• M4: 811,419 km (0.101 R)
• M5: 1,175,241 km (0.093 R)
• M6: 1,726,060 km (0.078 R)
• M7: 2,011,643 km (0.084 R)
• M8: 2,363,497 km (0.072 R)
• M9: 2,544,959 km (0.083 R)
• M10: 2,936,157 km (0.091 R)
• M11: 3,716,161 km (0.078 R)
• M12: 4,352,251 km (0.057 R)
• M13: 4,853,404 km (0.064 R)
• M14: 10,236,982 km (0.115 R)
• M15: 10,721,829 km (0.112 R)
• M16: 11,120,657 km (0.096 R)
• M17: 14,493,341 km (0.092 R)
• M18: 16,312,601 km (0.112 R)
• M19: 17,378,934 km (0.082 R)
• M20: 18,490,746 km (0.119 R)
• M21: 31,413,608 km (0.077 R)
• M22: 31,616,164 km (0.103 R)
• M23: 32,126,741 km (0.112 R)
• M24: 35,965,422 km (0.106 R)
• M25: 37,765,534 km (0.116 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 357 - 19,119 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit