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117392 (2004 YV31)
Classification: Main-belt Asteroid          SPK-ID: 2117392
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2277024717409185 3.9944e-08  
a 2.559993551704368 2.4282e-08 au
q 1.977076692340471 1.1004e-07 au
i 16.49737087855833 8.2276e-06 deg
node 86.42839980722469 1.5534e-05 deg
peri 259.0227960687303 2.9247e-05 deg
M 10.66735615277914 2.6361e-05 deg
tp 2458956.168642699534
(2020-Apr-16.66864270)
0.00010952 TDB
period 1496.08660286549
4.10
2.1286e-05
5.828e-08
d
yr
n .2406277813800908 3.4236e-09 deg/d
Q 3.142910411068266 2.9811e-08 au
  Orbit Determination Parameters
   # obs. used (total)      679  
   data-arc span      10572 days (28.94 yr)  
   first obs. used      1991-10-12  
   last obs. used      2020-09-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49362  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Oct-22 20:10:24  

Additional Information
 Earth MOID = 1.04404 au 
 Jupiter MOID = 2.44082 au 
 T_jup = 3.342 
[ 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 14.9   n/a MPO436563  
diameter diameter 4.692 km 0.392 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.116   0.024 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

117392 (2004 YV31)          Discovered 2004-Dec-19 by Spacewatch at Kitt Peak
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 2004 YV31 = 1991 TM1 = 2001 AT42 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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