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JPL Small-Body Database Browser
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2929 Harris (1982 BK1)
Classification: Main-belt Asteroid          SPK-ID: 2002929
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06753569577541833 3.4224e-08  
a 3.122199890716603 1.7044e-08 au
q 2.911339948747122 1.0876e-07 au
i 14.88983502930784 3.7981e-06 deg
node 142.7089207181814 1.4577e-05 deg
peri 23.06880675294987 3.1402e-05 deg
M 325.8499685718777 2.8673e-05 deg
tp 2459191.651667135070
(2020-Dec-08.15166714)
0.00016103 TDB
period 2015.066964534529
5.52
1.6501e-05
4.518e-08
d
yr
n .178654112412169 1.4629e-09 deg/d
Q 3.333059832686084 1.8195e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2455  
   data-arc span      29935 days (81.96 yr)  
   first obs. used      1938-02-19  
   last obs. used      2020-02-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46683  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 16:34:29  

Additional Information
 Earth MOID = 1.92581 au 
 Jupiter MOID = 1.67629 au 
 T_jup = 3.160 
[ 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 11.8   n/a MPO492785  
diameter diameter 16.176 km 0.212 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 3.13 h n/a LCDB (Rev. 2019-August); 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.]
[Benishek, V. (2016) Minor Planet Bull. 43, 89-90.]
geometric albedo albedo 0.155   0.024 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
SMASSII spectral type spec_B T   n/a EAR-A-5-DDR-TAXONOMY-V4.0 based on a high-resolution spectrum by Xu et al. (1995) or Bus and Binzel (2002)

2929 Harris (1982 BK1)          Discovered 1982-Jan-24 by Bowell, E. at Flagstaff (AM)
Discovered at the Anderson Mesa station, which is operated by the Lowell Observatory.
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1982 BK1 = 1938 DH1 = 1965 AU 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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