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JPL Small-Body Database Browser
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39305 (2001 QX180)
Classification: Main-belt Asteroid          SPK-ID: 2039305
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1116855048899566 3.6232e-08  
a 3.154490598238492 1.8806e-08 au
q 2.802179723103605 1.1514e-07 au
i 6.614670492871874 3.9598e-06 deg
node 295.4321822723726 3.5739e-05 deg
peri 238.2121485553553 4.0029e-05 deg
M 297.2627821317587 1.9068e-05 deg
tp 2459357.127671345962
(2021-May-22.62767135)
0.00010954 TDB
period 2046.408273222739
5.60
1.83e-05
5.01e-08
d
yr
n .1759179752694521 1.5732e-09 deg/d
Q 3.506801473373379 2.0907e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1908  
   data-arc span      8460 days (23.16 yr)  
   first obs. used      1996-11-05  
   last obs. used      2020-01-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47633  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 05:47:57  

Additional Information
 Earth MOID = 1.81502 au 
 Jupiter MOID = 1.54356 au 
 T_jup = 3.187 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 12.9   n/a MPO365714  
diameter diameter 14.750 km 0.175 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.055   0.003 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

39305 (2001 QX180)          Discovered 2001-Aug-29 by JPL/GEODSS NEAT at Palomar
Reference: 20020328/Numbers.arcLast Updated: 2004-04-19

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1940-Sep-23 01:29 00:02 Jupiter 1.71067355098956 1.71067256283336 1.71067453914509 2.14601065832457 1.90133694993636 2429895.562107463 2.40984072235343 81.0287194675907 19.435638965542 -73.0489523803551 1346915.86431447 T 29 CATAB v2.0f-lin.ifort 2020-Jan-29 05:48:30 2020-Jan-29 05:48
1951-Mar-22 13:02 00:02 Jupiter 1.57463701889677 1.57463659509488 1.57463744269874 1.93958581752306 1.63895120601682 2433728.042801717 1.93877309346137 316.477775780555 31.0047942616857 79.3161789437471 3142714.72511702 T 29 CATAB v2.0f-lin.ifort 2020-Jan-29 05:48:30 2020-Jan-29 05:48
1961-Oct-20 15:43 00:01 Jupiter 1.74945058048216 1.7494498153883 1.74945134557632 3.0790326378519 2.91755244024814 2437593.154672510 1.45259705207034 94.0100816951299 22.4281786229517 78.6644915908152 1985553.89600906 T 29 CATAB v2.0f-lin.ifort 2020-Jan-29 05:48:30 2020-Jan-29 05:48
2036-Oct-14 19:58 < 00:01 Jupiter 1.94339920684703 1.94339876819321 1.94339964550086 3.68086838717972 3.56049158769701 2464981.331928288 0.654785493091338 45.5905203018865 18.1010104188603 89.579186439166 3441272.47979834 T 29 CATAB v2.0f-lin.ifort 2020-Jan-29 05:48:30 2020-Jan-29 05:48
2047-Apr-29 07:20 00:01 Jupiter 1.66349452329559 1.66349404958418 1.66349499700672 1.91241794565046 1.62449288687607 2468829.805331476 1.08661102642075 55.0154840938416 35.4659034825067 -76.9971127037056 1927997.11929078 T 29 CATAB v2.0f-lin.ifort 2020-Jan-29 05:48:30 2020-Jan-29 05:48
2057-Oct-25 23:11 00:01 Jupiter 1.59486329239733 1.59486282067694 1.59486376412053 2.05671530199694 1.7798566219519 2472662.465789145 1.4331942967667 225.884658077429 25.1250307602344 81.3799074467374 3051460.40459145 T 29 CATAB v2.0f-lin.ifort 2020-Jan-29 05:48:30 2020-Jan-29 05:48
2068-May-26 02:41 00:02 Jupiter 1.82374043544977 1.82373946341629 1.82374140748376 3.32811536358999 3.18550889650492 2476527.612021244 1.70140299663627 93.9004564689992 26.8492943419832 71.3298823701686 1970904.34857936 T 29 CATAB v2.0f-lin.ifort 2020-Jan-29 05:48:30 2020-Jan-29 05:48
2143-May-17 15:39 00:04 Jupiter 1.8660386892595 1.86603693659977 1.8660404419238 3.32784126220895 3.18852598132337 2503911.152399626 3.82904996319956 182.769714226623 22.752989338056 71.5788706542712 2522631.94322315 T 29 CATAB v2.0f-lin.ifort 2020-Jan-29 05:48:30 2020-Jan-29 05:48
2153-Nov-24 23:53 00:05 Jupiter 1.62350140579106 1.62350051549402 1.62350229608571 1.71743914707967 1.38063235162602 2507755.495292248 4.53774909574549 152.898797111723 66.6429574008544 -11.9257688705501 792612.18756724 T 29 CATAB v2.0f-lin.ifort 2020-Jan-29 05:48:30 2020-Jan-29 05:48
2164-May-24 02:59 00:05 Jupiter 1.62927241408758 1.62927126530944 1.62927356289257 2.23139134095267 1.98478003027035 2511588.624030324 4.69427978053687 404.695206604745 19.8128800362033 83.0945306878895 2336003.72013149 T 29 CATAB v2.0f-lin.ifort 2020-Jan-29 05:48:30 2020-Jan-29 05:48
2174-Dec-25 12:31 00:05 Jupiter 1.90839421169809 1.90839156575285 1.90839685764833 3.62580926513002 3.50125862489845 2515456.021604002 4.73341460675969 211.191149793303 30.2057995196687 58.7372799653784 1798539.91950975 T 29 CATAB v2.0f-lin.ifort 2020-Jan-29 05:48:30 2020-Jan-29 05:48

Alternate Designations
 2001 QX180 = 1999 GL9 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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