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4626 Plisetskaya (1984 YU1)
Classification: Main-belt Asteroid          SPK-ID: 2004626
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08119912681782825 1.2887e-08  
a 2.272684776498523 5.6707e-09 au
q 2.088144757114672 3.0157e-08 au
i 2.820211630210922 7.195e-07 deg
node 19.67343913328747 1.8346e-05 deg
peri 165.1349897866773 2.0908e-05 deg
M 85.31813818880963 1.1721e-05 deg
tp 2458903.917105000083
(2020-Feb-24.41710500)
4.075e-05 TDB
period 1251.431928386524
3.43
4.6838e-06
1.282e-08
d
yr
n .287670461200514 1.0767e-09 deg/d
Q 2.457224795882374 6.1312e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2560  
   data-arc span      25459 days (69.70 yr)  
   first obs. used      1950-12-09  
   last obs. used      2020-08-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .45545  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 16:34:26  

Additional Information
 Earth MOID = 1.08906 au 
 Jupiter MOID = 2.49792 au 
 T_jup = 3.605 
[ 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 13.47   n/a E2021B10  
diameter diameter 4.730 km 0.072 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 18.11 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Benishek, V. (2019) Minor Planet Bull. 46, 341-345.]
geometric albedo albedo 0.553   0.068 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  

4626 Plisetskaya (1984 YU1)          Discovered 1984-Dec-23 by Karachkina, L. G. at Nauchnyj
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1984 YU1 = 1987 TB1 = 1989 EA1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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