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13802 (1998 WR3)
Classification: Main-belt Asteroid          SPK-ID: 2013802
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 40 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1530883439573813 1.7014e-08  
a 2.255108584858736 7.26e-09 au
q 1.909877746158639 3.861e-08 au
i 7.893469408417333 4.83e-07 deg
node 58.27912567387276 3.2831e-06 deg
peri 224.3926831676877 4.1729e-06 deg
M 310.2723844434138 5.0643e-06 deg
tp 2459371.361710103043
(2021-Jun-05.86171010)
1.8075e-05 TDB
period 1236.942792221787
3.39
5.9732e-06
1.635e-08
d
yr
n .291040137234941 1.4054e-09 deg/d
Q 2.600339423558834 8.3714e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2394  
   data-arc span      14322 days (39.21 yr)  
   first obs. used      1981-10-30  
   last obs. used      2021-01-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45788  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Mar-16 23:51:48  

Additional Information
 Earth MOID = .90079 au 
 Jupiter MOID = 2.53305 au 
 T_jup = 3.596 
[ 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 13.87   n/a E2021B10  
diameter diameter 4.130 km 0.079 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 5.26311 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:
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]
geometric albedo albedo 0.376   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

13802 (1998 WR3)          Discovered 1998-Nov-18 by Ueda, S., Kaneda, H. at Kushiro
Reference: 20000222/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 WR3 = 1981 UD7 = 1997 JK16 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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