Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
IMPORTANT: The SSD Announcement email list is now available. Major changes are coming in the near future, including possible hostname and/or URL changes. To be notified of such changes, subscribe to this email list.

Please visit this page for more details.


JPL Small-Body Database Browser
Search: [ help ]  
49338 (1998 VR51)
Classification: Main-belt Asteroid          SPK-ID: 2049338
[ 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 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1962017876134061 3.537e-08  
a 2.624583511612921 1.209e-08 au
q 2.109635534893795 9.26e-08 au
i 15.1497643523371 4.0708e-06 deg
node 92.8987388540468 1.7847e-05 deg
peri 241.3822942029262 2.1542e-05 deg
M 343.3258489509389 1.1487e-05 deg
tp 2458672.433344278618
(2019-Jul-07.93334428)		 4.9528e-05 TDB
period 1553.062813459439
4.25		 1.0731e-05
2.938e-08		 d
yr
n .2318000256526019 1.6016e-09 deg/d
Q 3.139531488332047 1.4462e-08 au
   Orbit Determination Parameters
   # obs. used (total)      1515  
   data-arc span      7691 days (21.06 yr)  
   first obs. used      1998-11-13  
   last obs. used      2019-12-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50174  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 04:18:49  

Additional Information
 Earth MOID = 1.14181 au 
 Jupiter MOID = 2.29396 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 ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Jan-20 15:02 UT
(server date/time)   		NASA Home Page
Site Manager:   Ryan S. Park
Webmaster:   Alan B. Chamberlin