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
JPL Small-Body Database Browser
Search: [ help ]  
233940 (2009 VH81)
Classification: Main-belt Asteroid          SPK-ID: 2233940
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1520961041331114 1.1306e-07  
a 3.113889009916096 5.667e-08 au
q 2.640278622804946 3.5052e-07 au
i 17.2222602160775 5.9507e-06 deg
node 82.61260476687485 3.6876e-05 deg
peri 269.356209618666 4.167e-05 deg
M 22.39601299842021 2.5904e-05 deg
tp 2458875.640575157904
(2020-Jan-27.14057516)
0.00014217 TDB
period 2007.026560768882
5.49
5.4789e-05
1.5e-07
d
yr
n .1793698235174754 4.8966e-09 deg/d
Q 3.587499397027245 6.529e-08 au
  Orbit Determination Parameters
   # obs. used (total)      202  
   data-arc span      5369 days (14.70 yr)  
   first obs. used      2003-09-03  
   last obs. used      2018-05-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62562  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-04 09:01:47  

Additional Information
 Earth MOID = 1.70566 au 
 Jupiter MOID = 2.01697 au 
 T_jup = 3.132 
[ 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 15.2   n/a MPO475907  
diameter diameter 5.146 km 0.251 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.061   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

233940 (2009 VH81)          Discovered 2009-Nov-15 by CSS at Catalina
Reference: 20100228/Numbers.arcLast Updated: 2010-03-03

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Sep-24 22:41 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin