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 ]  
6424 Ando (1994 EN3)
Classification: Main-belt Asteroid          SPK-ID: 2006424
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1095981959478144 3.5887e-08  
a 3.019347184514302 1.5777e-08 au
q 2.688432180151422 1.1118e-07 au
i 11.07870446270696 4.1746e-06 deg
node 143.9418427612033 2.1172e-05 deg
peri 259.9740569457932 2.8534e-05 deg
M 51.06209552262001 1.8696e-05 deg
tp 2458328.690807250973
(2018-Jul-29.19080725)
9.9502e-05 TDB
period 1916.319892243797
5.25
1.502e-05
4.112e-08
d
yr
n .1878600756883445 1.4724e-09 deg/d
Q 3.350262188877183 1.7506e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2092  
   data-arc span      16129 days (44.16 yr)  
   first obs. used      1975-09-03  
   last obs. used      2019-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46079  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 02:54:17  

Additional Information
 Earth MOID = 1.72386 au 
 Jupiter MOID = 2.08284 au 
 T_jup = 3.209 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 12.2   n/a MPO384813  
diameter diameter 11.270 km 0.243 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.206   0.027 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

6424 Ando (1994 EN3)          Discovered 1994-Mar-14 by Endate, K., Watanabe, K. at Kitami
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1994 EN3 = 1975 RB1 = 1978 ER5 = 1991 RJ21 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin