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10456 Anechka (1978 PS2)
Classification: Main-belt Asteroid          SPK-ID: 2010456
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 38 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04193941752468616 1.2087e-08  
a 2.379544148981894 7.1632e-09 au
q 2.279747453399318 2.8356e-08 au
i 2.048262521610828 7.9254e-07 deg
node 211.7771645975508 5.6241e-06 deg
peri 85.41163669175502 2.3654e-05 deg
M 226.4291035079482 2.2767e-05 deg
tp 2459697.948834100113
(2022-Apr-28.44883410)
8.5354e-05 TDB
period 1340.723054042667
3.67
6.054e-06
1.657e-08
d
yr
n .2685118294300198 1.2125e-09 deg/d
Q 2.479340844564469 7.4636e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2209  
   data-arc span      15569 days (42.63 yr)  
   first obs. used      1978-08-08  
   last obs. used      2021-03-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49504  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 00:39:40  

Additional Information
 Earth MOID = 1.263 au 
 Jupiter MOID = 2.58087 au 
 T_jup = 3.537 
[ 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 14.11   n/a MPCxxxxx  
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

Alternate Designations
 1978 PS2 = 1978 RX2 = 1993 TV21 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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