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20838 (2000 UY53)
Classification: Main-belt Asteroid          SPK-ID: 2020838
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 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2116216414325099 3.4644e-08  
a 2.853371721712036 1.3431e-08 au
q 2.249536514346228 9.761e-08 au
i 9.355604538611688 3.8553e-06 deg
node 79.34869185756007 2.373e-05 deg
peri 169.0200025289898 2.5914e-05 deg
M 218.1874727509503 1.3346e-05 deg
tp 2459894.002533653603
(2022-Nov-10.50253365)
6.8181e-05 TDB
period 1760.499703082261
4.82
1.243e-05
3.403e-08
d
yr
n .2044873960329084 1.4438e-09 deg/d
Q 3.457206929077844 1.6273e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2673  
   data-arc span      15296 days (41.88 yr)  
   first obs. used      1979-04-25  
   last obs. used      2021-03-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .40251  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 03:32:39  

Additional Information
 Earth MOID = 1.23477 au 
 Jupiter MOID = 1.58876 au 
 T_jup = 3.252 
[ 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 13.56   n/a E2021B10  
rotation period rot_per 9.486 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]

20838 (2000 UY53)          Discovered 2000-Oct-24 by LINEAR at Socorro
Reference: 20010109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2000 UY53 = 1979 HP5 = 1998 HE153 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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