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243390 (2008 YX97)
Classification: Main-belt Asteroid          SPK-ID: 2243390
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1477648940170548 7.0798e-08  
a 3.091718215879433 3.4043e-08 au
q 2.634870801379411 2.3248e-07 au
i 6.501940842021584 7.1275e-06 deg
node 102.48123538033 6.8961e-05 deg
peri 312.2847168791787 7.3299e-05 deg
M 16.8474633878424 2.5253e-05 deg
tp 2458507.575484693532
(2019-Jan-24.07548469)
0.00013896 TDB
period 1985.629809082649
5.44
3.2796e-05
8.979e-08
d
yr
n .1813026770414563 2.9945e-09 deg/d
Q 3.548565630379455 3.9074e-08 au
  Orbit Determination Parameters
   # obs. used (total)      168  
   data-arc span      9916 days (27.15 yr)  
   first obs. used      1991-12-03  
   last obs. used      2019-01-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62168  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 11:51:04  

Additional Information
 Earth MOID = 1.65181 au 
 Jupiter MOID = 1.80816 au 
 T_jup = 3.198 
[ 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 16.0   n/a MPO418301  
diameter diameter 4.723 km 1.058 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.026   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

243390 (2008 YX97)          Discovered 2008-Dec-29 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20100626/Numbers.arcLast Updated: 2010-06-28

[ show close-approach data ]
Alternate Designations
 2008 YX97 = 1998 AP4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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