🌌 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 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 943

Radius: 10.2

Gravity: 9.06 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 0.42 AU - 0.6 AU

Year: 256 Days

Day: 10.8 Hours

Environment

Temp: -145 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 71,285,497 km

• M1: 126,859 km (0.11 R)
• M2: 444,156 km (0.112 R)
• M3: 864,227 km (0.103 R)
• M4: 1,226,703 km (0.061 R)
• M5: 1,555,818 km (0.076 R)
• M6: 2,151,666 km (0.086 R)
• M7: 2,512,047 km (0.115 R)
• M8: 3,228,322 km (0.045 R)
• M9: 3,669,187 km (0.115 R)
• M10: 4,001,444 km (0.111 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 950.7

Radius: 9.6

Gravity: 10.32 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 0.41 AU - 0.67 AU

Year: 279 Days

Day: 9.9 Hours

Environment

Temp: -151 °C

Axial Tilt: 27.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 71,285,497 km

• M1: 119,379 km (0.087 R)
• M2: 469,887 km (0.076 R)
• M3: 862,432 km (0.078 R)
• M4: 1,187,209 km (0.089 R)
• M5: 1,661,584 km (0.112 R)
• M6: 1,978,282 km (0.047 R)
• M7: 2,467,168 km (0.088 R)
• M8: 2,843,108 km (0.106 R)
• M9: 3,422,799 km (0.102 R)
• M10: 4,233,171 km (0.043 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 33.3

Radius: 13.8

Gravity: 0.17 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 1.25 AU - 1.49 AU

Year: 1127 Days

Day: 12.6 Hours

Environment

Temp: -190 °C

Axial Tilt: 4.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 71,285,497 km

• M1: 172,337 km (0.092 R)
• M2: 681,269 km (0.11 R)
• M3: 2,391,472 km (0.104 R)
• M4: 2,845,501 km (0.105 R)
• M5: 3,409,186 km (0.067 R)
• M6: 3,908,693 km (0.093 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 382.5

Radius: 13.2

Gravity: 2.2 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 1.37 AU - 1.53 AU

Year: 1227 Days

Day: 12 Hours

Environment

Temp: -180 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 71,285,497 km

• M1: 164,109 km (0.08 R)
• M2: 578,645 km (0.08 R)
• M3: 1,037,461 km (0.097 R)
• M4: 1,473,240 km (0.09 R)
• M5: 2,024,508 km (0.102 R)
• M6: 2,448,319 km (0.073 R)
• M7: 3,046,710 km (0.108 R)
• M8: 4,032,111 km (0.102 R)
• M9: 5,804,098 km (0.081 R)
• M10: 6,345,493 km (0.101 R)
• M11: 6,897,808 km (0.088 R)
• M12: 7,922,853 km (0.095 R)
• M13: 8,776,608 km (0.117 R)
• M14: 9,491,686 km (0.059 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 33.2

Radius: 14.1

Gravity: 0.17 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 1.72 AU - 2.04 AU

Year: 1812 Days

Day: 14.3 Hours

Environment

Temp: -209 °C

Axial Tilt: 20 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 71,285,497 km

• M1: 180,714 km (0.049 R)
• M2: 716,873 km (0.11 R)
• M3: 1,158,187 km (0.114 R)
• M4: 1,677,740 km (0.116 R)
• M5: 3,109,841 km (0.077 R)
• M6: 4,971,287 km (0.117 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 328.9

Radius: 11.9

Gravity: 2.32 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 1.69 AU - 2.67 AU

Year: 2263 Days

Day: 8.3 Hours

Environment

Temp: -198 °C

Axial Tilt: 1.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 71,285,497 km

• M1: 147,952 km (0.063 R)
• M2: 904,618 km (0.042 R)
• M3: 1,338,602 km (0.108 R)
• M4: 1,800,111 km (0.102 R)
• M5: 2,880,208 km (0.119 R)
• M6: 3,371,038 km (0.032 R)
• M7: 3,762,536 km (0.047 R)
• M8: 4,313,655 km (0.116 R)
• M9: 5,511,934 km (0.108 R)
• M10: 5,988,253 km (0.075 R)
• M11: 6,946,278 km (0.072 R)
• M12: 9,608,671 km (0.119 R)
• M13: 10,334,371 km (0.099 R)
• M14: 10,884,891 km (0.113 R)
• M15: 11,418,656 km (0.028 R)
• M16: 12,849,560 km (0.118 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 931.6

Radius: 8.4

Gravity: 13.2 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 2.75 AU - 3.23 AU

Year: 3634 Days

Day: 15 Hours

Environment

Temp: -214 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 71,285,497 km

• M1: 107,411 km (0.105 R)
• M2: 476,918 km (0.079 R)
• M3: 817,403 km (0.111 R)
• M4: 1,108,221 km (0.11 R)
• M5: 1,702,573 km (0.11 R)
• M6: 2,072,080 km (0.09 R)
• M7: 2,919,402 km (0.105 R)
• M8: 3,411,729 km (0.075 R)
• M9: 4,025,230 km (0.089 R)
• M10: 4,886,614 km (0.081 R)
• M11: 5,836,860 km (0.092 R)
• M12: 6,100,003 km (0.052 R)
• M13: 6,905,288 km (0.04 R)
• M14: 9,504,402 km (0.106 R)
• M15: 9,828,580 km (0.082 R)
• M16: 10,201,976 km (0.099 R)
• M17: 12,451,779 km (0.082 R)
• M18: 12,987,788 km (0.059 R)
• M19: 14,263,409 km (0.072 R)
• M20: 15,901,805 km (0.087 R)
• M21: 17,783,896 km (0.086 R)
• M22: 22,912,260 km (0.08 R)
• M23: 23,422,239 km (0.044 R)
• M24: 26,086,877 km (0.094 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 981.8

Radius: 9.2

Gravity: 11.6 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 2.58 AU - 3.52 AU

Year: 3744 Days

Day: 10.1 Hours

Environment

Temp: -218 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 71,285,497 km

• M1: 117,285 km (0.117 R)
• M2: 468,092 km (0.071 R)
• M3: 1,110,166 km (0.089 R)
• M4: 1,577,061 km (0.07 R)
• M5: 2,027,350 km (0.112 R)
• M6: 3,168,184 km (0.108 R)
• M7: 3,715,413 km (0.028 R)
• M8: 4,324,426 km (0.053 R)
• M9: 4,894,394 km (0.099 R)
• M10: 5,292,473 km (0.086 R)
• M11: 5,827,735 km (0.093 R)
• M12: 6,367,783 km (0.108 R)
• M13: 6,973,505 km (0.094 R)
• M14: 8,299,989 km (0.065 R)
• M15: 9,541,352 km (0.045 R)
• M16: 10,857,963 km (0.113 R)
• M17: 12,052,352 km (0.108 R)
• M18: 12,340,029 km (0.059 R)
• M19: 13,485,350 km (0.114 R)
• M20: 14,110,370 km (0.111 R)
• M21: 14,430,061 km (0.11 R)
• M22: 14,809,142 km (0.096 R)
• M23: 16,627,504 km (0.08 R)
• M24: 17,044,284 km (0.044 R)
• M25: 17,590,316 km (0.041 R)
• M26: 18,085,485 km (0.078 R)
• M27: 22,459,727 km (0.074 R)
• M28: 24,697,711 km (0.081 R)

Planet 9 - Gas Giant

Semi-Major Axis: 4.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 235.9

Radius: 13.7

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 3.63 AU - 4.39 AU

Year: 5644 Days

Day: 13.8 Hours

Environment

Temp: -210 °C

Axial Tilt: 3.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 71,285,497 km

• M1: 170,392 km (0.076 R)
• M2: 767,138 km (0.056 R)
• M3: 1,798,316 km (0.05 R)
• M4: 2,329,987 km (0.119 R)
• M5: 3,191,671 km (0.053 R)
• M6: 4,344,173 km (0.096 R)
• M7: 4,944,060 km (0.116 R)
• M8: 5,391,358 km (0.085 R)
• M9: 6,085,342 km (0.103 R)
• M10: 8,530,819 km (0.087 R)
• M11: 9,512,779 km (0.111 R)
• M12: 11,146,238 km (0.072 R)
• M13: 12,007,922 km (0.089 R)
• M14: 12,545,876 km (0.111 R)
• M15: 15,065,702 km (0.103 R)
• M16: 18,609,526 km (0.09 R)
• M17: 20,070,948 km (0.116 R)
• M18: 21,871,358 km (0.035 R)
• M19: 22,404,824 km (0.099 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 946.3

Radius: 5.9

Gravity: 27.18 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 7.79 AU - 7.89 AU

Year: 15431 Days

Day: 15.5 Hours

Environment

Temp: -242 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 71,285,497 km

• M1: 73,901 km (0.102 R)
• M2: 260,450 km (0.078 R)
• M3: 1,282,203 km (0.053 R)
• M4: 1,586,934 km (0.087 R)
• M5: 1,976,936 km (0.059 R)
• M6: 3,828,658 km (0.071 R)
• M7: 5,578,654 km (0.101 R)
• M8: 5,894,754 km (0.079 R)
• M9: 6,306,448 km (0.043 R)
• M10: 7,609,296 km (0.085 R)
• M11: 9,857,004 km (0.118 R)
• M12: 11,162,544 km (0.105 R)
• M13: 11,411,774 km (0.066 R)
• M14: 12,116,231 km (0.046 R)
• M15: 13,470,690 km (0.051 R)
• M16: 17,210,038 km (0.097 R)
• M17: 19,093,475 km (0.05 R)
• M18: 21,780,403 km (0.043 R)
• M19: 22,267,793 km (0.079 R)
• M20: 23,467,268 km (0.102 R)
• M21: 23,671,170 km (0.099 R)
• M22: 24,603,913 km (0.072 R)
• M23: 25,346,218 km (0.081 R)
• M24: 25,885,368 km (0.103 R)
• M25: 26,986,857 km (0.072 R)
• M26: 28,696,911 km (0.038 R)
• M27: 29,164,853 km (0.097 R)
• M28: 29,876,340 km (0.112 R)
• M29: 30,842,743 km (0.113 R)
• M30: 36,534,044 km (0.12 R)
• M31: 38,199,367 km (0.105 R)
• M32: 44,426,828 km (0.076 R)
• M33: 48,602,403 km (0.062 R)
• M34: 52,160,290 km (0.082 R)
• M35: 52,682,237 km (0.119 R)
• M36: 57,353,280 km (0.117 R)
• M37: 65,671,670 km (0.084 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 411 - 18,179 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit