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8876 (1992 WU3)
Classification: Main-belt Asteroid          SPK-ID: 2008876
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 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2027781301171709 3.2151e-08  
a 2.403380400047999 6.5569e-09 au
q 1.916027416566007 7.7138e-08 au
i 1.758294763655488 3.8311e-06 deg
node 334.3865234781787 0.00010044 deg
peri 65.39341225347277 0.00010083 deg
M 260.0031495733211 8.1567e-06 deg
tp 2459774.521081376456
(2022-Jul-14.02108138)
3.1274e-05 TDB
period 1360.918756089306
3.73
5.5693e-06
1.525e-08
d
yr
n .2645271794434554 1.0825e-09 deg/d
Q 2.89073338352999 7.8865e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2109  
   data-arc span      12449 days (34.08 yr)  
   first obs. used      1987-05-30  
   last obs. used      2021-06-29  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47163  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 01:48:40  

Additional Information
 Earth MOID = .924135 au 
 Jupiter MOID = 2.5319 au 
 T_jup = 3.495 
[ 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 14.06   n/a MPCxxxxx  
diameter diameter 5.187 km 0.406 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 3.627 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:
[Erasmus, N.; Navarro-Meza, S.; McNeill, A.; Trilling, D.E.; et al. (2020) Ap. J. Suppl. Ser. 247, A13.]
geometric albedo albedo 0.217   0.039 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

8876 (1992 WU3)          Discovered 1992-Nov-23 by Kushida, Y., Muramatsu, O. at Yatsugatake
Reference: 19980610/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1992 WU3 = 1951 XS = 1987 KO = 1988 SK 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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