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 ]  
4051 Hatanaka (1978 VP)
Classification: Main-belt Asteroid          SPK-ID: 2004051
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ hide orbit diagram ]

For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


[ revert to old Java-based viewer ]

Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1095325426401006 3.7597e-08  
a 2.791269160811849 1.1908e-08 au
q 2.485534352435228 1.0819e-07 au
i 2.723355520377862 4.0492e-06 deg
node 285.5435863245453 8.4421e-05 deg
peri 86.59283771518982 8.6432e-05 deg
M 278.0785150079149 1.872e-05 deg
tp 2458988.111200703760
(2020-May-18.61120070)
8.9142e-05 TDB
period 1703.338657335562
4.66
1.09e-05
2.984e-08
d
yr
n .2113496329397748 1.3524e-09 deg/d
Q 3.097003969188471 1.3212e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2506  
   data-arc span      16865 days (46.17 yr)  
   first obs. used      1973-10-01  
   last obs. used      2019-12-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46768  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-13 21:38:50  

Additional Information
 Earth MOID = 1.4866 au 
 Jupiter MOID = 2.37994 au 
 T_jup = 3.319 
[ 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 12.6   n/a MPO350834  
diameter diameter 7.657 km 0.090 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.292   0.033 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
SMASSII spectral type spec_B Sq   n/a EAR-A-5-DDR-TAXONOMY-V4.0 based on a high-resolution spectrum by Xu et al. (1995) or Bus and Binzel (2002)

4051 Hatanaka (1978 VP)          Discovered 1978-Nov-01 by Tomita, K. at Caussols
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1978 VP = 1973 TU = 1978 RS16 = 1980 BY2 = 1982 PE = 1989 AY2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2019-Dec-16 10:49 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin