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 ]  
10456 Anechka (1978 PS2)
Classification: Main-belt Asteroid          SPK-ID: 2010456
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 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04191240434142393 3.0438e-08  
a 2.379680746541564 8.1383e-09 au
q 2.279942604889012 7.1365e-08 au
i 2.04820009827526 4.0187e-06 deg
node 211.7869220340437 9.0186e-05 deg
peri 85.23619220187778 0.00010536 deg
M 172.9074815395511 5.6721e-05 deg
tp 2458356.497198587172
(2018-Aug-25.99719859)
0.00021028 TDB
period 1340.838501864285
3.67
6.8784e-06
1.883e-08
d
yr
n .268488710235767 1.3773e-09 deg/d
Q 2.479418888194115 8.4794e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1959  
   data-arc span      15236 days (41.71 yr)  
   first obs. used      1978-08-08  
   last obs. used      2020-04-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50228  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 03:21:26  

Additional Information
 Earth MOID = 1.26515 au 
 Jupiter MOID = 2.58159 au 
 T_jup = 3.537 
[ 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 14.1   n/a MPO502249  
diameter diameter 4.217 km 0.163 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.208   0.042 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

10456 Anechka           Discovered 1978 Aug. 8 by N. S. Chernykh at the Crimean Astrophysical Observatory.
Daughter of a friend of the discoverer in the town of Cherkassy, Anya (Anechka) Ivanchenko (1987-1999) was a young girl who liked to draw.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20000320/MPCPages.arcLast Updated: 2013-03-29

[ show close-approach data ]
Alternate Designations
 1978 PS2 = 1978 RX2 = 1993 TV21 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Oct-28 03:53 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin