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19856 (2000 UP8)
Classification: Main-belt Asteroid          SPK-ID: 2019856
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 .1417270912222945 3.7872e-08  
a 2.687272228814743 1.2337e-08 au
q 2.306412952502377 1.0188e-07 au
i 9.279532541770841 3.8924e-06 deg
node 227.5872535763298 2.8592e-05 deg
peri 74.61566355631142 3.2262e-05 deg
M 294.3099583525049 1.5921e-05 deg
tp 2459494.104670169280
(2021-Oct-06.60467017)
7.1731e-05 TDB
period 1609.036599917748
4.41
1.1081e-05
3.034e-08
d
yr
n .223736364989089 1.5408e-09 deg/d
Q 3.068131505127109 1.4086e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1784  
   data-arc span      21783 days (59.64 yr)  
   first obs. used      1960-10-22  
   last obs. used      2020-06-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .46482  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 03:08:02  

Additional Information
 Earth MOID = 1.31037 au 
 Jupiter MOID = 2.17299 au 
 T_jup = 3.340 
[ 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 13.85   n/a E2021B10  
diameter diameter 4.542 km 0.229 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 3.347 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.]
geometric albedo albedo 0.311   0.041 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

19856 (2000 UP8)          Discovered 2000-Oct-24 by LINEAR at Socorro
Reference: 20001211/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2000 UP8 = 1981 JP3 = 1999 NO45 = 3559 P-L 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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