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52988 (1998 UN22)
Classification: Main-belt Asteroid          SPK-ID: 2052988
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1047819859817869 3.776e-08  
a 2.266550628952233 7.1239e-09 au
q 2.02905695272235 8.6299e-08 au
i 5.707438928649231 4.1152e-06 deg
node 223.3446849900261 4.0841e-05 deg
peri 275.0345055170271 4.649e-05 deg
M 23.74637345242798 2.0264e-05 deg
tp 2458918.286837143772
(2020-Mar-09.78683714)
7.0176e-05 TDB
period 1246.368785007708
3.41
5.8761e-06
1.609e-08
d
yr
n .2888390694073533 1.3618e-09 deg/d
Q 2.504044305182117 7.8704e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1025  
   data-arc span      7786 days (21.32 yr)  
   first obs. used      1998-10-11  
   last obs. used      2020-02-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55388  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 10:39:33  

Additional Information
 Earth MOID = 1.05166 au 
 Jupiter MOID = 2.53389 au 
 T_jup = 3.602 
[ 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 15.7   n/a MPO347881  
diameter diameter 1.742 km 0.360 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.306   0.085 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

52988 (1998 UN22)          Discovered 1998-Oct-28 by LINEAR at Socorro
Reference: 20030216/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 UN22 = 2000 GQ106 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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