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49338 (1998 VR51)
Classification: Main-belt Asteroid          SPK-ID: 2049338
[ 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 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1962528740233125 3.4702e-08  
a 2.624957337109046 1.1747e-08 au
q 2.109801915512814 9.0454e-08 au
i 15.14979110813389 3.9942e-06 deg
node 92.89918023930619 1.6954e-05 deg
peri 241.4522503796331 2.0408e-05 deg
M 75.98107662448876 1.0973e-05 deg
tp 2458672.642786744293
(2019-Jul-08.14278674)		 4.7341e-05 TDB
period 1553.394634763753
4.25		 1.0427e-05
2.855e-08		 d
yr
n .2317505107481914 1.5557e-09 deg/d
Q 3.140112758705277 1.4052e-08 au
   Orbit Determination Parameters
   # obs. used (total)      1654  
   data-arc span      8034 days (22.00 yr)  
   first obs. used      1998-11-13  
   last obs. used      2020-11-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48344  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 03:50:33  

Additional Information
 Earth MOID = 1.14287 au 
 Jupiter MOID = 2.2965 au 
 T_jup = 3.327 
[ 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 13.9   n/a MPO502484  
diameter diameter 4.221 km 0.917 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.204   0.129 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  

49338 (1998 VR51)          Discovered 1998-Nov-13 by LINEAR at Socorro
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 VR51 = 2001 FZ161 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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