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JPL Small-Body Database Browser
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2865 Laurel (1935 OK)
Classification: Main-belt Asteroid          SPK-ID: 2002865
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07025404730786894 3.3964e-08  
a 2.561149359523753 1.2042e-08 au
q 2.381218251257253 8.6344e-08 au
i 14.29345521404768 5.095e-06 deg
node 321.766656232818 1.7962e-05 deg
peri 293.65193231 4.4821e-05 deg
M 215.2960799614891 4.11e-05 deg
tp 2459202.267296014764
(2020-Dec-18.76729601)
0.00017059 TDB
period 1497.099916212776
4.10
1.0559e-05
2.891e-08
d
yr
n .2404649122622987 1.6959e-09 deg/d
Q 2.741080467790253 1.2888e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2065  
   data-arc span      30601 days (83.78 yr)  
   first obs. used      1935-07-31  
   last obs. used      2019-05-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .39667  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-29 22:27:58  

Additional Information
 Earth MOID = 1.40194 au 
 Jupiter MOID = 2.44821 au 
 T_jup = 3.388 
[ 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 11.4   n/a MPO384777  
diameter diameter 24.991 km 0.370 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 21.5 h n/a LCDB (Rev. 2019-January); 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:
[Behrend, R. (2005) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
geometric albedo albedo 0.094   0.014 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

2865 Laurel (1935 OK)          Discovered 1935-Jul-31 by Jackson, C. at Johannesburg (UO)
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1935 OK = 1939 PA = 1947 NF = 1951 ML = 1972 QH 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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