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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .192099492342056 7.195e-08  
a 2.628074998995045 2.2016e-08 au
q 2.123223125851247 1.9168e-07 au
i 10.26201117129087 8.3153e-06 deg
node 299.6310877438033 3.1668e-05 deg
peri 342.8908239445246 3.7129e-05 deg
M 68.96423734389649 1.7505e-05 deg
tp 2458702.390033234110
(2019-Aug-06.89003323)
7.5337e-05 TDB
period 1556.162906588256
4.26
1.9554e-05
5.354e-08
d
yr
n .2313382477347868 2.9069e-09 deg/d
Q 3.132926872138842 2.6245e-08 au
  Orbit Determination Parameters
   # obs. used (total)      446  
   data-arc span      7650 days (20.94 yr)  
   first obs. used      1998-07-26  
   last obs. used      2019-07-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57153  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 16:47:01  

Additional Information
 Earth MOID = 1.10909 au 
 Jupiter MOID = 2.05614 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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