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JPL Small-Body Database Browser
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117387 Javiercerna (2004 YP21)
Classification: Main-belt Asteroid          SPK-ID: 2117387
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1925283888460062 7.3906e-08  
a 2.629385406907975 2.2539e-08 au
q 2.123154070860783 1.9634e-07 au
i 10.2592273741393 8.4425e-06 deg
node 299.6377153094915 3.2252e-05 deg
peri 342.9735200772313 3.7706e-05 deg
M 336.3834606779239 1.802e-05 deg
tp 2458702.662980981670
(2019-Aug-07.16298098)
7.808e-05 TDB
period 1557.326950059165
4.26
2.0024e-05
5.482e-08
d
yr
n .2311653310734287 2.9724e-09 deg/d
Q 3.135616742955169 2.6879e-08 au
  Orbit Determination Parameters
   # obs. used (total)      428  
   data-arc span      7203 days (19.72 yr)  
   first obs. used      1998-07-26  
   last obs. used      2018-04-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57409  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-04 04:36:16  

Additional Information
 Earth MOID = 1.10838 au 
 Jupiter MOID = 2.05213 au 
 T_jup = 3.352 
[ 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 15.4   n/a MPO436563  
diameter diameter 4.335 km 0.254 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.071   0.019 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

117387 Javiercerna           Discovered 2004 Dec. 18 by Mt. Lemmon Survey at Mount Lemmon.
Javier Cerna (b. 1981) is a Telecom Engineer for the OSIRIS-REx Asteroid Sample Return Mission. He was also a Telecom Engineer on the GRAIL program, and the Telecom UHF Transceiver lead on the InSight program.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: MPC batch dated 2017-10-05Last Updated: 2017-10-09

Alternate Designations
 2004 YP21 = 2003 WX43 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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