🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.65 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 792.4

Radius: 14.4

Gravity: 3.82 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 1.24 AU - 1.34 AU

Year: 961 Days

Day: 13.8 Hours

Environment

Temp: -180 °C

Axial Tilt: 25.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 78,162,000 km

• M1: 179,218 km (0.079 R)
• M2: 883,974 km (0.081 R)
• M3: 1,348,625 km (0.059 R)
• M4: 1,804,300 km (0.101 R)
• M5: 2,398,652 km (0.032 R)
• M6: 2,912,671 km (0.052 R)
• M7: 4,216,715 km (0.091 R)
• M8: 5,010,332 km (0.077 R)
• M9: 5,777,021 km (0.096 R)
• M10: 6,265,009 km (0.094 R)
• M11: 7,060,870 km (0.07 R)
• M12: 7,594,934 km (0.116 R)
• M13: 8,340,380 km (0.114 R)
• M14: 9,105,873 km (0.115 R)
• M15: 10,310,884 km (0.094 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 740.9

Radius: 15

Gravity: 3.29 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 3.59 AU - 4.35 AU

Year: 5189 Days

Day: 9 Hours

Environment

Temp: -219 °C

Axial Tilt: 26.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 78,162,000 km

• M1: 186,549 km (0.071 R)
• M2: 801,396 km (0.073 R)
• M3: 2,148,076 km (0.119 R)
• M4: 2,628,435 km (0.12 R)
• M5: 3,281,130 km (0.11 R)
• M6: 5,105,177 km (0.093 R)
• M7: 6,806,554 km (0.117 R)
• M8: 7,356,026 km (0.087 R)
• M9: 9,103,330 km (0.03 R)
• M10: 10,517,777 km (0.03 R)
• M11: 11,491,510 km (0.055 R)
• M12: 13,352,657 km (0.119 R)
• M13: 14,052,027 km (0.111 R)
• M14: 15,349,340 km (0.094 R)
• M15: 18,051,975 km (0.09 R)
• M16: 19,109,034 km (0.105 R)
• M17: 20,067,507 km (0.114 R)
• M18: 20,986,038 km (0.106 R)
• M19: 23,832,287 km (0.112 R)
• M20: 24,304,119 km (0.095 R)
• M21: 25,675,034 km (0.1 R)
• M22: 26,842,346 km (0.1 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 335.1

Radius: 8.4

Gravity: 4.75 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 4.27 AU - 4.47 AU

Year: 5993 Days

Day: 9.9 Hours

Environment

Temp: -209 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 78,162,000 km

• M1: 106,065 km (0.097 R)
• M2: 377,735 km (0.084 R)
• M3: 1,448,107 km (0.115 R)
• M4: 2,525,062 km (0.096 R)
• M5: 3,099,069 km (0.115 R)
• M6: 4,775,613 km (0.119 R)
• M7: 5,268,239 km (0.073 R)
• M8: 6,633,170 km (0.104 R)
• M9: 7,757,697 km (0.088 R)
• M10: 9,198,474 km (0.078 R)
• M11: 9,474,781 km (0.068 R)
• M12: 11,751,062 km (0.1 R)
• M13: 12,697,418 km (0.081 R)
• M14: 15,175,058 km (0.082 R)
• M15: 17,653,297 km (0.101 R)
• M16: 18,142,482 km (0.077 R)
• M17: 19,469,564 km (0.105 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 700.9

Radius: 11

Gravity: 5.79 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 4.35 AU - 4.89 AU

Year: 6514 Days

Day: 7.5 Hours

Environment

Temp: -225 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 78,162,000 km

• M1: 147,653 km (0.082 R)
• M2: 554,260 km (0.098 R)
• M3: 956,379 km (0.101 R)
• M4: 1,321,697 km (0.09 R)
• M5: 1,687,165 km (0.096 R)
• M6: 2,952,015 km (0.058 R)
• M7: 3,772,559 km (0.113 R)
• M8: 4,656,832 km (0.086 R)
• M9: 5,133,750 km (0.073 R)
• M10: 5,767,746 km (0.088 R)
• M11: 6,351,926 km (0.086 R)
• M12: 7,869,596 km (0.103 R)
• M13: 10,344,842 km (0.046 R)
• M14: 12,381,019 km (0.05 R)
• M15: 13,298,952 km (0.104 R)
• M16: 14,849,234 km (0.082 R)
• M17: 15,947,731 km (0.097 R)
• M18: 17,830,121 km (0.093 R)
• M19: 18,374,508 km (0.059 R)
• M20: 19,353,776 km (0.101 R)
• M21: 20,001,535 km (0.118 R)
• M22: 24,444,442 km (0.073 R)
• M23: 25,201,407 km (0.09 R)
• M24: 27,385,985 km (0.066 R)
• M25: 29,979,563 km (0.098 R)
• M26: 30,555,963 km (0.095 R)
• M27: 32,128,985 km (0.088 R)
• M28: 35,542,958 km (0.115 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 502.2

Radius: 14.6

Gravity: 2.36 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 3.86 AU - 5.64 AU

Year: 6791 Days

Day: 13.7 Hours

Environment

Temp: -210 °C

Axial Tilt: 110 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 78,162,000 km

• M1: 181,761 km (0.069 R)
• M2: 670,049 km (0.088 R)
• M3: 1,269,787 km (0.119 R)
• M4: 1,796,521 km (0.112 R)
• M5: 2,453,854 km (0.05 R)
• M6: 3,029,955 km (0.104 R)
• M7: 5,982,868 km (0.09 R)
• M8: 8,173,728 km (0.043 R)
• M9: 9,010,878 km (0.053 R)
• M10: 9,948,558 km (0.104 R)
• M11: 10,950,265 km (0.075 R)
• M12: 12,995,717 km (0.059 R)
• M13: 14,305,296 km (0.087 R)
• M14: 16,063,969 km (0.085 R)
• M15: 17,058,795 km (0.102 R)
• M16: 17,962,815 km (0.036 R)
• M17: 19,309,345 km (0.094 R)
• M18: 19,936,759 km (0.062 R)
• M19: 20,434,172 km (0.098 R)
• M20: 21,676,881 km (0.111 R)
• M21: 23,595,025 km (0.064 R)
• M22: 27,416,203 km (0.032 R)
• M23: 29,657,329 km (0.062 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 250.4

Radius: 14.5

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 4.22 AU - 5.79 AU

Year: 7334 Days

Day: 14.4 Hours

Environment

Temp: -213 °C

Axial Tilt: 10 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 78,162,000 km

• M1: 180,714 km (0.051 R)
• M2: 667,057 km (0.041 R)
• M3: 1,549,236 km (0.03 R)
• M4: 2,459,838 km (0.111 R)
• M5: 3,300,727 km (0.079 R)
• M6: 4,210,582 km (0.102 R)
• M7: 6,043,156 km (0.113 R)
• M8: 7,405,992 km (0.12 R)
• M9: 9,925,370 km (0.055 R)
• M10: 10,733,647 km (0.12 R)
• M11: 11,539,232 km (0.099 R)
• M12: 15,900,758 km (0.092 R)
• M13: 17,307,726 km (0.115 R)
• M14: 26,969,654 km (0.063 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 593.6

Radius: 13

Gravity: 3.51 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 5.07 AU - 6.57 AU

Year: 9211 Days

Day: 14 Hours

Environment

Temp: -217 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 78,162,000 km

• M1: 162,014 km (0.057 R)
• M2: 595,998 km (0.097 R)
• M3: 1,600,548 km (0.038 R)
• M4: 2,139,250 km (0.082 R)
• M5: 3,446,885 km (0.105 R)
• M6: 4,141,767 km (0.071 R)
• M7: 4,751,528 km (0.118 R)
• M8: 5,980,324 km (0.043 R)
• M9: 6,873,125 km (0.101 R)
• M10: 7,569,503 km (0.094 R)
• M11: 8,746,090 km (0.098 R)
• M12: 9,992,539 km (0.081 R)
• M13: 11,566,159 km (0.041 R)
• M14: 12,107,404 km (0.073 R)
• M15: 12,552,608 km (0.043 R)
• M16: 13,594,258 km (0.117 R)
• M17: 14,505,758 km (0.078 R)
• M18: 16,585,916 km (0.072 R)
• M19: 17,485,298 km (0.076 R)
• M20: 18,199,179 km (0.117 R)
• M21: 20,068,854 km (0.113 R)
• M22: 22,644,929 km (0.053 R)
• M23: 25,615,793 km (0.084 R)
• M24: 28,935,968 km (0.096 R)
• M25: 34,052,066 km (0.073 R)
• M26: 37,465,141 km (0.078 R)
• M27: 42,234,920 km (0.109 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 136.7

Radius: 4.1

Gravity: 8.13 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 7.03 AU - 11.63 AU

Year: 18695 Days

Day: 20.3 Hours

Environment

Temp: -226 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 78,162,000 km

• M1: 51,013 km (0.116 R)
• M2: 963,261 km (0.114 R)
• M3: 1,328,130 km (0.049 R)
• M4: 2,647,882 km (0.111 R)
• M5: 5,326,432 km (0.099 R)
• M6: 6,848,591 km (0.093 R)
• M7: 8,994,572 km (0.111 R)
• M8: 11,710,970 km (0.114 R)
• M9: 14,489,601 km (0.081 R)
• M10: 22,950,857 km (0.054 R)
• M11: 27,435,202 km (0.11 R)
• M12: 38,921,177 km (0.088 R)
• M13: 39,524,805 km (0.114 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.68 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 849

Radius: 5.2

Gravity: 31.4 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 8.85 AU - 10.51 AU

Year: 19757 Days

Day: 21.8 Hours

Environment

Temp: -238 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 78,162,000 km

• M1: 65,673 km (0.077 R)
• M2: 259,552 km (0.076 R)
• M3: 665,262 km (0.099 R)
• M4: 1,116,000 km (0.114 R)
• M5: 1,392,158 km (0.106 R)
• M6: 1,862,045 km (0.105 R)
• M7: 2,123,093 km (0.117 R)
• M8: 2,596,570 km (0.086 R)
• M9: 3,567,610 km (0.099 R)
• M10: 4,003,688 km (0.062 R)
• M11: 5,019,158 km (0.073 R)
• M12: 5,210,195 km (0.055 R)
• M13: 6,640,799 km (0.111 R)
• M14: 8,261,842 km (0.076 R)
• M15: 8,691,337 km (0.044 R)
• M16: 10,312,230 km (0.103 R)
• M17: 10,809,942 km (0.072 R)
• M18: 11,064,707 km (0.064 R)
• M19: 11,652,777 km (0.085 R)
• M20: 14,062,948 km (0.027 R)
• M21: 14,987,313 km (0.072 R)
• M22: 15,869,492 km (0.115 R)
• M23: 20,610,248 km (0.07 R)
• M24: 21,801,047 km (0.1 R)
• M25: 22,207,954 km (0.096 R)
• M26: 23,886,292 km (0.117 R)
• M27: 24,537,043 km (0.116 R)
• M28: 25,987,095 km (0.079 R)
• M29: 33,022,832 km (0.091 R)
• M30: 34,238,315 km (0.07 R)
• M31: 38,505,445 km (0.086 R)
• M32: 45,715,464 km (0.079 R)
• M33: 51,229,192 km (0.055 R)
• M34: 55,266,689 km (0.071 R)
• M35: 58,137,921 km (0.076 R)
• M36: 59,313,761 km (0.06 R)
• M37: 71,956,127 km (0.083 R)
• M38: 76,072,013 km (0.105 R)
• M39: 80,583,885 km (0.062 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 711.3

Radius: 5.9

Gravity: 20.43 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 8.07 AU - 11.73 AU

Year: 20434 Days

Day: 20.2 Hours

Environment

Temp: -236 °C

Axial Tilt: 27.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 78,162,000 km

• M1: 73,303 km (0.1 R)
• M2: 257,159 km (0.08 R)
• M3: 707,448 km (0.105 R)
• M4: 1,610,421 km (0.078 R)
• M5: 1,805,945 km (0.106 R)
• M6: 2,310,838 km (0.069 R)
• M7: 2,560,816 km (0.03 R)
• M8: 4,634,542 km (0.116 R)
• M9: 5,858,851 km (0.077 R)
• M10: 8,284,730 km (0.101 R)
• M11: 10,615,764 km (0.092 R)
• M12: 12,031,110 km (0.079 R)
• M13: 12,233,366 km (0.11 R)
• M14: 12,644,760 km (0.093 R)
• M15: 13,860,542 km (0.086 R)
• M16: 14,082,994 km (0.056 R)
• M17: 14,687,669 km (0.094 R)
• M18: 15,074,229 km (0.096 R)
• M19: 16,029,711 km (0.11 R)
• M20: 17,624,275 km (0.054 R)
• M21: 18,594,118 km (0.113 R)
• M22: 19,137,906 km (0.113 R)
• M23: 19,321,612 km (0.111 R)
• M24: 23,349,834 km (0.045 R)
• M25: 26,062,193 km (0.116 R)
• M26: 28,856,980 km (0.096 R)
• M27: 30,701,522 km (0.073 R)
• M28: 31,333,424 km (0.105 R)
• M29: 32,103,105 km (0.113 R)
• M30: 32,885,352 km (0.068 R)
• M31: 36,141,649 km (0.117 R)
• M32: 40,506,167 km (0.117 R)
• M33: 46,191,783 km (0.1 R)
• M34: 49,396,319 km (0.089 R)
• M35: 65,347,342 km (0.105 R)
• M36: 65,555,582 km (0.082 R)
• M37: 73,120,746 km (0.05 R)
• M38: 76,302,843 km (0.08 R)
• M39: 77,927,924 km (0.095 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 369 - 17,054 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit