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JPL Small-Body Database Browser
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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 ]

[ 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 .1485778193209907 6.9434e-08  
a 3.009179407069453 1.9617e-08 au
q 2.562082092821442 2.1105e-07 au
i 6.789171472613948 5.8202e-06 deg
node 291.4886552026256 4.4668e-05 deg
peri 209.061839147403 4.8861e-05 deg
M 21.68189877025847 1.6753e-05 deg
tp 2458885.667357131008
(2020-Feb-06.16735713)
8.8777e-05 TDB
period 1906.648115595106
5.22
1.8645e-05
5.105e-08
d
yr
n .1888130258831931 1.8463e-09 deg/d
Q 3.456276721317465 2.2532e-08 au
  Orbit Determination Parameters
   # obs. used (total)      623  
   data-arc span      9514 days (26.05 yr)  
   first obs. used      1994-04-05  
   last obs. used      2020-04-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52972  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 15:40:35  

Additional Information
 Earth MOID = 1.57798 au 
 Jupiter MOID = 1.61199 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 15.0   n/a MPO459397  
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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