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JPL Small-Body Database Browser
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8435 Anser (6643 P-L)
Classification: Main-belt Asteroid          SPK-ID: 2008435
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 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1683766608979599 4.0732e-08  
a 2.221386196159406 7.4837e-09 au
q 1.847356605885265 9.0408e-08 au
i 4.79363657011757 5.2495e-06 deg
node 31.23674796661023 4.7332e-05 deg
peri 18.92625177110854 4.9492e-05 deg
M 219.4192728227673 1.63e-05 deg
tp 2459072.734611603259
(2020-Aug-11.23461160)
5.5833e-05 TDB
period 1209.301328786311
3.31
6.1111e-06
1.673e-08
d
yr
n .2976925530721993 1.5044e-09 deg/d
Q 2.595415786433548 8.7438e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1396  
   data-arc span      21055 days (57.65 yr)  
   first obs. used      1960-09-26  
   last obs. used      2018-05-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52631  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-May-31 13:02:21  

Additional Information
 Earth MOID = .857849 au 
 Jupiter MOID = 2.77439 au 
 T_jup = 3.626 
[ 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 14.7   n/a MPO337327  
diameter diameter 2.944 km 0.471 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  
geometric albedo albedo 0.295   0.115 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  

8435 Anser           Discovered 1960 Sept. 26 by C. J. van Houten and I. van Houten-Groeneveld on Palomar Schmidt plates taken by T. Gehrels.
Named for Anser anser, or greylag goose.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 19990202/MPCPages.arcLast Updated: 2010-06-11

Alternate Designations
 6643 P-L = 1990 VA1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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