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JPL Small-Body Database Browser
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2868 Upupa (1972 UA)
Classification: Main-belt Asteroid          SPK-ID: 2002868
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 .1752919998798649 3.6598e-08  
a 2.814472241544714 1.0765e-08 au
q 2.321117773717975 1.0563e-07 au
i 7.541833499206852 4.1701e-06 deg
node 137.906918086602 2.9881e-05 deg
peri 262.6577339482577 3.2131e-05 deg
M 300.4601210942998 1.1369e-05 deg
tp 2458885.732709645588
(2020-Feb-06.23270965)
5.4689e-05 TDB
period 1724.621839339701
4.72
9.8951e-06
2.709e-08
d
yr
n .2087414132119721 1.1977e-09 deg/d
Q 3.307826709371453 1.2652e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2139  
   data-arc span      17197 days (47.08 yr)  
   first obs. used      1972-10-30  
   last obs. used      2019-11-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50535  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-13 21:21:44  

Additional Information
 Earth MOID = 1.34312 au 
 Jupiter MOID = 2.1559 au 
 T_jup = 3.284 
[ 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 13.0   n/a MPO452202  
diameter diameter 12.080 km 0.282 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.092   0.018 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

2868 Upupa (1972 UA)          Discovered 1972-Oct-30 by Wild, P. at Zimmerwald
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1972 UA = 1981 QT2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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