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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 39 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04198599631115969 1.0917e-08  
a 2.379122877671844 6.6204e-09 au
q 2.279233033306118 2.6612e-08 au
i 2.048546196271604 7.8898e-07 deg
node 211.7728424573109 5.6212e-06 deg
peri 85.65416770583519 2.3219e-05 deg
M 278.8241811425275 2.2633e-05 deg
tp 2459698.737197878581
(2022-Apr-29.23719788)
8.4685e-05 TDB
period 1340.367030079838
3.67
5.5948e-06
1.532e-08
d
yr
n .2685831506751975 1.1211e-09 deg/d
Q 2.47901272203757 6.8984e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2435  
   data-arc span      15664 days (42.89 yr)  
   first obs. used      1978-08-08  
   last obs. used      2021-06-27  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48215  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 02:20:57  

Additional Information
 Earth MOID = 1.26405 au 
 Jupiter MOID = 2.58053 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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