🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 175.4

Radius: 8.6

Gravity: 2.37 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 0.5 AU - 0.82 AU

Year: 358 Days

Day: 6.6 Hours

Environment

Temp: -164 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 83,678,947 km

• M1: 106,962 km (0.081 R)
• M2: 402,119 km (0.082 R)
• M3: 760,107 km (0.052 R)
• M4: 1,055,563 km (0.105 R)
• M5: 1,600,697 km (0.11 R)
• M6: 1,981,274 km (0.063 R)
• M7: 2,421,690 km (0.083 R)
• M8: 2,762,025 km (0.118 R)
• M9: 3,033,396 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 17.6

Radius: 10.4

Gravity: 0.16 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 1.33 AU - 1.69 AU

Year: 1237 Days

Day: 7.1 Hours

Environment

Temp: -183 °C

Axial Tilt: 47.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 83,678,947 km

• M1: 129,402 km (0.071 R)
• M2: 867,368 km (0.113 R)
• M3: 1,371,064 km (0.065 R)
• M4: 1,784,553 km (0.084 R)
• M5: 2,155,855 km (0.103 R)
• M6: 2,514,142 km (0.105 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 257.1

Radius: 11.4

Gravity: 1.98 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 1.44 AU - 1.64 AU

Year: 1274 Days

Day: 14.6 Hours

Environment

Temp: -196 °C

Axial Tilt: 1.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 83,678,947 km

• M1: 141,819 km (0.103 R)
• M2: 629,508 km (0.116 R)
• M3: 1,130,661 km (0.11 R)
• M4: 1,567,187 km (0.074 R)
• M5: 2,442,634 km (0.105 R)
• M6: 3,083,811 km (0.104 R)
• M7: 7,979,550 km (0.107 R)
• M8: 8,704,502 km (0.084 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 991.1

Radius: 9.1

Gravity: 11.97 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 1.66 AU - 1.74 AU

Year: 1478 Days

Day: 8.8 Hours

Environment

Temp: -203 °C

Axial Tilt: 11.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 83,678,947 km

• M1: 113,545 km (0.12 R)
• M2: 429,495 km (0.076 R)
• M3: 752,627 km (0.07 R)
• M4: 1,300,903 km (0.118 R)
• M5: 2,132,218 km (0.101 R)
• M6: 2,575,178 km (0.104 R)
• M7: 3,218,299 km (0.06 R)
• M8: 6,184,077 km (0.082 R)
• M9: 7,557,984 km (0.1 R)
• M10: 8,166,847 km (0.102 R)
• M11: 8,807,874 km (0.044 R)
• M12: 9,156,886 km (0.066 R)
• M13: 9,714,587 km (0.101 R)
• M14: 11,079,218 km (0.1 R)
• M15: 12,173,826 km (0.044 R)
• M16: 14,141,487 km (0.101 R)
• M17: 14,753,192 km (0.073 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 963.1

Radius: 8

Gravity: 15.05 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 3.44 AU - 4.2 AU

Year: 4979 Days

Day: 7.9 Hours

Environment

Temp: -216 °C

Axial Tilt: 25.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 83,678,947 km

• M1: 99,483 km (0.11 R)
• M2: 393,442 km (0.057 R)
• M3: 704,307 km (0.082 R)
• M4: 954,135 km (0.108 R)
• M5: 1,604,138 km (0.112 R)
• M6: 2,736,444 km (0.072 R)
• M7: 3,481,142 km (0.111 R)
• M8: 5,336,754 km (0.114 R)
• M9: 5,695,191 km (0.037 R)
• M10: 6,005,906 km (0.058 R)
• M11: 7,042,170 km (0.069 R)
• M12: 7,658,663 km (0.115 R)
• M13: 8,833,754 km (0.066 R)
• M14: 10,815,178 km (0.101 R)
• M15: 11,884,504 km (0.099 R)
• M16: 12,600,629 km (0.091 R)
• M17: 13,563,141 km (0.115 R)
• M18: 13,950,450 km (0.09 R)
• M19: 14,402,086 km (0.089 R)
• M20: 15,275,139 km (0.115 R)
• M21: 15,937,409 km (0.11 R)
• M22: 16,618,827 km (0.059 R)
• M23: 17,644,321 km (0.104 R)
• M24: 18,643,485 km (0.079 R)
• M25: 21,867,020 km (0.099 R)
• M26: 24,211,368 km (0.049 R)
• M27: 25,779,752 km (0.116 R)
• M28: 29,209,283 km (0.08 R)
• M29: 30,605,630 km (0.117 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 619.3

Radius: 14.3

Gravity: 3.03 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 4.47 AU - 5.85 AU

Year: 7816 Days

Day: 13 Hours

Environment

Temp: -233 °C

Axial Tilt: 43.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 83,678,947 km

• M1: 181,462 km (0.111 R)
• M2: 782,247 km (0.098 R)
• M3: 1,521,859 km (0.105 R)
• M4: 2,081,654 km (0.101 R)
• M5: 2,664,787 km (0.108 R)
• M6: 3,334,237 km (0.111 R)
• M7: 3,963,745 km (0.086 R)
• M8: 4,671,942 km (0.112 R)
• M9: 5,714,489 km (0.098 R)
• M10: 6,480,729 km (0.094 R)
• M11: 7,090,191 km (0.11 R)
• M12: 7,581,919 km (0.084 R)
• M13: 8,466,342 km (0.072 R)
• M14: 9,108,117 km (0.116 R)
• M15: 11,179,598 km (0.084 R)
• M16: 12,872,149 km (0.105 R)
• M17: 14,131,164 km (0.084 R)
• M18: 15,159,051 km (0.102 R)
• M19: 18,331,424 km (0.103 R)
• M20: 20,984,093 km (0.03 R)
• M21: 24,306,213 km (0.09 R)
• M22: 26,047,682 km (0.095 R)
• M23: 38,627,965 km (0.09 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 710.7

Radius: 3.6

Gravity: 54.84 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 7.44 AU - 7.5 AU

Year: 13615 Days

Day: 20 Hours

Environment

Temp: -235 °C

Axial Tilt: 4.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 83,678,947 km

• M1: 50,265 km (0.097 R)
• M2: 194,627 km (0.101 R)
• M3: 409,749 km (0.101 R)
• M4: 670,348 km (0.074 R)
• M5: 837,748 km (0.118 R)
• M6: 1,178,532 km (0.119 R)
• M7: 1,636,900 km (0.109 R)
• M8: 2,070,584 km (0.117 R)
• M9: 2,244,267 km (0.103 R)
• M10: 3,605,309 km (0.117 R)
• M11: 4,489,283 km (0.082 R)
• M12: 7,401,205 km (0.053 R)
• M13: 7,853,290 km (0.06 R)
• M14: 8,713,178 km (0.087 R)
• M15: 9,846,981 km (0.031 R)
• M16: 11,726,528 km (0.086 R)
• M17: 13,498,216 km (0.099 R)
• M18: 18,526,649 km (0.092 R)
• M19: 21,004,887 km (0.035 R)
• M20: 24,972,522 km (0.102 R)
• M21: 25,985,749 km (0.05 R)
• M22: 26,606,729 km (0.113 R)
• M23: 30,770,487 km (0.08 R)
• M24: 32,646,444 km (0.084 R)
• M25: 37,930,391 km (0.084 R)
• M26: 42,461,112 km (0.107 R)
• M27: 47,033,720 km (0.092 R)
• M28: 48,420,193 km (0.044 R)
• M29: 48,575,925 km (0.113 R)
• M30: 50,310,811 km (0.115 R)
• M31: 50,951,838 km (0.068 R)
• M32: 52,414,008 km (0.037 R)
• M33: 52,742,674 km (0.102 R)
• M34: 54,743,695 km (0.099 R)
• M35: 56,621,747 km (0.062 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.05 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 292.8

Radius: 3.6

Gravity: 22.59 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 8.05 AU - 8.05 AU

Year: 15231 Days

Day: 21.3 Hours

Environment

Temp: -235 °C

Axial Tilt: 15.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 83,678,947 km

• M1: 46,226 km (0.077 R)
• M2: 212,429 km (0.116 R)
• M3: 1,115,701 km (0.098 R)
• M4: 1,321,248 km (0.094 R)
• M5: 1,453,643 km (0.11 R)
• M6: 1,808,040 km (0.108 R)
• M7: 2,181,137 km (0.099 R)
• M8: 2,310,090 km (0.108 R)
• M9: 3,055,387 km (0.063 R)
• M10: 3,336,033 km (0.119 R)
• M11: 3,710,626 km (0.074 R)
• M12: 4,396,233 km (0.111 R)
• M13: 4,662,666 km (0.102 R)
• M14: 5,358,895 km (0.056 R)
• M15: 5,492,635 km (0.114 R)
• M16: 5,628,620 km (0.062 R)
• M17: 6,194,848 km (0.087 R)
• M18: 8,703,455 km (0.066 R)
• M19: 9,703,367 km (0.084 R)
• M20: 11,261,279 km (0.11 R)
• M21: 11,985,333 km (0.099 R)
• M22: 13,341,437 km (0.11 R)
• M23: 14,024,800 km (0.089 R)
• M24: 15,393,621 km (0.109 R)
• M25: 16,992,074 km (0.082 R)
• M26: 24,402,853 km (0.12 R)
• M27: 25,705,851 km (0.062 R)
• M28: 32,809,655 km (0.119 R)
• M29: 34,394,794 km (0.081 R)
• M30: 36,987,625 km (0.11 R)
• M31: 38,084,925 km (0.105 R)
• M32: 39,329,280 km (0.093 R)
• M33: 39,581,353 km (0.12 R)
• M34: 43,762,763 km (0.03 R)
• M35: 46,239,355 km (0.101 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 383.9

Radius: 7

Gravity: 7.83 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 7.63 AU - 8.87 AU

Year: 15802 Days

Day: 15.1 Hours

Environment

Temp: -239 °C

Axial Tilt: 19.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (43)

Outer Limit: 83,678,947 km

• M1: 87,814 km (0.106 R)
• M2: 327,470 km (0.07 R)
• M3: 568,771 km (0.065 R)
• M4: 808,726 km (0.048 R)
• M5: 1,094,458 km (0.113 R)
• M6: 1,379,143 km (0.087 R)
• M7: 1,666,371 km (0.082 R)
• M8: 2,117,558 km (0.039 R)
• M9: 2,362,450 km (0.062 R)
• M10: 2,978,045 km (0.057 R)
• M11: 3,642,858 km (0.059 R)
• M12: 4,554,058 km (0.074 R)
• M13: 4,899,929 km (0.096 R)
• M14: 5,129,113 km (0.077 R)
• M15: 7,021,825 km (0.095 R)
• M16: 8,609,657 km (0.083 R)
• M17: 8,992,627 km (0.047 R)
• M18: 13,987,850 km (0.097 R)
• M19: 14,719,383 km (0.108 R)
• M20: 15,828,352 km (0.086 R)
• M21: 16,769,772 km (0.055 R)
• M22: 17,747,843 km (0.095 R)
• M23: 19,245,168 km (0.077 R)
• M24: 20,569,707 km (0.04 R)
• M25: 21,167,949 km (0.084 R)
• M26: 23,032,238 km (0.102 R)
• M27: 23,863,703 km (0.077 R)
• M28: 24,239,642 km (0.095 R)
• M29: 24,906,998 km (0.108 R)
• M30: 26,079,397 km (0.116 R)
• M31: 29,492,622 km (0.08 R)
• M32: 30,804,146 km (0.098 R)
• M33: 31,474,345 km (0.062 R)
• M34: 35,335,167 km (0.11 R)
• M35: 36,192,811 km (0.111 R)
• M36: 36,564,562 km (0.097 R)
• M37: 39,108,623 km (0.047 R)
• M38: 40,557,030 km (0.052 R)
• M39: 42,040,742 km (0.09 R)
• M40: 43,840,554 km (0.06 R)
• M41: 44,973,159 km (0.117 R)
• M42: 47,741,468 km (0.066 R)
• M43: 51,086,177 km (0.073 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 917.7

Radius: 4.5

Gravity: 45.32 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 7.32 AU - 11.94 AU

Year: 19928 Days

Day: 15.3 Hours

Environment

Temp: -232 °C

Axial Tilt: 89.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 83,678,947 km

• M1: 56,099 km (0.056 R)
• M2: 305,628 km (0.088 R)
• M3: 511,924 km (0.069 R)
• M4: 765,941 km (0.104 R)
• M5: 1,241,064 km (0.1 R)
• M6: 1,410,110 km (0.115 R)
• M7: 2,032,736 km (0.027 R)
• M8: 2,745,121 km (0.071 R)
• M9: 3,672,179 km (0.068 R)
• M10: 5,611,117 km (0.108 R)
• M11: 7,424,842 km (0.093 R)
• M12: 8,409,644 km (0.036 R)
• M13: 11,148,632 km (0.068 R)
• M14: 12,435,173 km (0.075 R)
• M15: 12,647,004 km (0.104 R)
• M16: 12,933,185 km (0.105 R)
• M17: 14,978,786 km (0.072 R)
• M18: 15,138,407 km (0.095 R)
• M19: 18,390,814 km (0.111 R)
• M20: 20,276,346 km (0.095 R)
• M21: 24,426,490 km (0.11 R)
• M22: 28,861,768 km (0.071 R)
• M23: 33,531,615 km (0.056 R)
• M24: 37,493,714 km (0.117 R)
• M25: 41,285,422 km (0.063 R)
• M26: 45,158,212 km (0.063 R)
• M27: 58,019,589 km (0.042 R)
• M28: 60,006,698 km (0.098 R)
• M29: 66,885,657 km (0.048 R)
• M30: 68,190,300 km (0.049 R)
• M31: 69,956,153 km (0.103 R)
• M32: 74,968,879 km (0.08 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 314 - 15,760 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit