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27723 (1990 QA)
Classification: Main-belt Asteroid          SPK-ID: 2027723
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .208875518765495 8.5476e-08  
a 3.101314183735285 4.5784e-08 AU
q 2.45352557475279 2.6454e-07 AU
i 20.01880228262523 9.7993e-06 deg
node 25.91342560955182 2.0078e-05 deg
peri 338.2604764287699 2.6269e-05 deg
M 126.3905053640173 1.7484e-05 deg
tp 2456300.127597932360
(2013-Jan-07.62759793)
9.3426e-05 JED
period 1994.8813719684
5.46
4.4175e-05
1.209e-07
d
yr
n .18046185856394 3.9962e-09 deg/d
Q 3.74910279271778 5.5347e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      789  
   data-arc span      8867 days (24.28 yr)  
   first obs. used      1990-08-11  
   last obs. used      2014-11-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .5059  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jan-08 03:12:01  

Additional Information
 Earth MOID = 1.46331 AU 
 T_jup = 3.097 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 12.4 mag n/a MPO279804  

27723 (1990 QA)          Discovered 1990-Aug-19 by McNaught, R. H. at Siding Spring (413)
Reference: 20010902/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1990 QA = 1996 TY10 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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