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14865 (1990 QE7)
Classification: Main-belt Asteroid          SPK-ID: 2014865
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1209099259001506 4.1924e-08  
a 2.5348576204327 1.0065e-08 au
q 2.22836817337875 1.0697e-07 au
i 2.137541638070073 4.4014e-06 deg
node 142.884269297498 9.3927e-05 deg
peri 319.3001004505126 9.4972e-05 deg
M 291.8294647709509 1.4953e-05 deg
tp 2458879.640585964280
(2020-Jan-31.14058596)
6.1819e-05 TDB
period 1474.106233866258
4.04
8.7797e-06
2.404e-08
d
yr
n .2442157774855879 1.4545e-09 deg/d
Q 2.841347067486649 1.1282e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1579  
   data-arc span      10666 days (29.20 yr)  
   first obs. used      1990-08-16  
   last obs. used      2019-10-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54761  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 03:52:19  

Additional Information
 Earth MOID = 1.24592 au 
 Jupiter MOID = 2.28355 au 
 T_jup = 3.437 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.0   n/a MPO416869  
diameter diameter 3.579 km 0.552 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.380   0.245 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

14865 (1990 QE7)          Discovered 1990-Aug-20 by Elst, E. W. at La Silla
Reference: 20000523/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1990 QE7 = 1994 PU21 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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