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27723 (1990 QA)
Classification: Main-belt Asteroid          SPK-ID: 2027723
[ 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 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2124479671594392 5.5393e-08  
a 3.094482407595484 1.9568e-08 au
q 2.437065910691176 1.6866e-07 au
i 20.06640466789868 5.4204e-06 deg
node 25.80030011209706 1.1434e-05 deg
peri 338.3937060393329 1.4468e-05 deg
M 128.2782687243131 1.0587e-05 deg
tp 2458292.014374742978
(2018-Jun-22.51437474)		 5.6128e-05 TDB
period 1988.293322235852
5.44		 1.8859e-05
5.163e-08		 d
yr
n .1810598043930345 1.7174e-09 deg/d
Q 3.751898904499792 2.3725e-08 au
   Orbit Determination Parameters
   # obs. used (total)      1798  
   data-arc span      10854 days (29.72 yr)  
   first obs. used      1990-08-11  
   last obs. used      2020-04-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45785  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 06:22:20  

Additional Information
 Earth MOID = 1.44686 au 
 Jupiter MOID = 1.73885 au 
 T_jup = 3.097 
[ 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 12.5   n/a MPO459052  
diameter diameter 17.925 km 0.331 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.066   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

27723 (1990 QA)          Discovered 1990-Aug-19 by McNaught, R. H. at Siding Spring
Reference: 20010902/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
1934-Apr-28 23:07 00:02 Jupiter 1.75979359648319 1.7597927923399 1.75979440063809 4.72286989112225 4.61983349582634 2427556.463024756 2.00515514540276 264.3538273015 17.4534127598089 82.396923429818 3080775.07273569 T 32 CATAB v2.0f-lin.ifort 2020-May-20 06:22:45 2020-May-20 06:22
2004-Nov-18 23:05 < 00:01 Jupiter 1.78312523349728 1.78312466632973 1.78312580066544 4.56908996968884 4.46391537730957 2453328.461899102 0.349840879366705 99.1351784795952 22.1219834907268 80.313030848912 3093536.99616517 T 32 CATAB v2.0f-lin.ifort 2020-May-20 06:22:45 2020-May-20 06:22
2065-Mar-06 02:39 00:01 Jupiter 1.82670249104005 1.82670181126693 1.8267031708197 4.75001324574588 4.65137045474612 2475350.610075466 1.25706265686355 234.328386990066 20.2881542707329 83.4388307151436 3317932.81055549 T 32 CATAB v2.0f-lin.ifort 2020-May-20 06:22:45 2020-May-20 06:22
2075-May-24 10:04 00:02 Jupiter 1.98461711945599 1.984615640885 1.98461859802844 4.19520804729652 4.09221000492857 2479081.919246851 1.78915771455587 174.785236996637 62.6440028480792 74.3866704718883 2906072.20151623 T 32 CATAB v2.0f-lin.ifort 2020-May-20 06:22:45 2020-May-20 06:22
2135-Sep-27 12:21 00:03 Jupiter 1.73696229810259 1.73696170838234 1.73696288782374 4.70417952185081 4.5993492154056 2501122.014685431 2.93560922169991 247.173747240935 28.0278229625292 -88.219208410186 3260274.47420848 T 32 CATAB v2.0f-lin.ifort 2020-May-20 06:22:45 2020-May-20 06:22
2196-Jan-19 05:30 00:05 Jupiter 1.95483509130834 1.95483164951859 1.95483853347101 4.65784059414165 4.56386751600505 2523150.728834169 4.81800355143525 1405.92133665325 36.4199803680047 83.0492304281442 2919236.69942222 T 32 CATAB v2.0f-lin.ifort 2020-May-20 06:22:45 2020-May-20 06:22

Alternate Designations
 1990 QA = 1996 TY10 
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