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85844 (1998 YN16)
Classification: Main-belt Asteroid          SPK-ID: 2085844
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1482828846081768 6.7899e-08  
a 3.008253342850933 1.9354e-08 au
q 2.562180859540806 2.0581e-07 au
i 6.789159294135694 5.751e-06 deg
node 291.4868874443875 4.437e-05 deg
peri 208.9938614383467 4.8494e-05 deg
M 96.56165568777082 1.66e-05 deg
tp 2458885.321897171826
(2020-Feb-05.82189717)
8.7905e-05 TDB
period 1905.768037088956
5.22
1.8392e-05
5.035e-08
d
yr
n .1889002192259961 1.823e-09 deg/d
Q 3.45432582616106 2.2224e-08 au
  Orbit Determination Parameters
   # obs. used (total)      639  
   data-arc span      9920 days (27.16 yr)  
   first obs. used      1994-04-05  
   last obs. used      2021-06-02  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53514  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 08:51:34  

Additional Information
 Earth MOID = 1.57873 au 
 Jupiter MOID = 1.61313 au 
 T_jup = 3.223 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.07   n/a E2021B10  
diameter diameter 5.405 km 0.133 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.073   0.013 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

85844 (1998 YN16)          Discovered 1998-Dec-22 by Spacewatch at Kitt Peak
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

[ show close-approach data ]
Alternate Designations
 1998 YN16 = 2002 TF263 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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