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22377 (1993 UW6)
Classification: Main-belt Asteroid          SPK-ID: 2022377
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1056416659852986 3.7665e-08  
a 3.011821976812828 1.6813e-08 au
q 2.693648085531186 1.0774e-07 au
i 6.170826191281661 3.4524e-06 deg
node 97.55458087669844 3.6765e-05 deg
peri 234.794101507218 4.1319e-05 deg
M 123.3685564684405 1.9766e-05 deg
tp 2458546.249058740026
(2019-Mar-03.74905874)
0.00010367 TDB
period 1909.160207397277
5.23
1.5987e-05
4.377e-08
d
yr
n .1885645838443183 1.579e-09 deg/d
Q 3.329995868094471 1.8589e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1693  
   data-arc span      10007 days (27.40 yr)  
   first obs. used      1993-10-10  
   last obs. used      2021-03-04  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5162  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 04:05:10  

Additional Information
 Earth MOID = 1.68683 au 
 Jupiter MOID = 1.99457 au 
 T_jup = 3.232 
[ 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 13.74   n/a E2021B10  
diameter diameter 9.841 km 0.147 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 0.92 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 lower-limit; Incomplete or inconclusive result.
Published Reference List:
[Erasmus, N.; McNeill, A.; Mommert, M.; Trilling, D.E.; et al. (2018) Ap. J. Suppl. Series 237, A19.]
[Erasmus, N.; McNeill, A.; Mommert, N.; Trilling, D.E.; et al. (2019) Ap. J. Suppl. Series 242, A15.]
geometric albedo albedo 0.073   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

22377 (1993 UW6)          Discovered 1993-Oct-20 by Elst, E. W. at La Silla
Reference: 20010309/Numbers.arcLast Updated: 2004-04-19

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Alternate Designations
 1993 UW6 = 1998 SN126 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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