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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 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07025404022099306 3.3462e-08  
a 2.561149356313487 1.1806e-08 au
q 2.381218266423069 8.5388e-08 au
i 14.29345516931503 5.0777e-06 deg
node 321.7666558114193 1.7788e-05 deg
peri 293.6519353114519 4.4626e-05 deg
M 215.2960786584027 4.1012e-05 deg
tp 2459202.267300302367
(2020-Dec-18.76730030)
0.00017023 TDB
period 1497.099913397972
4.10
1.0352e-05
2.834e-08
d
yr
n .240464912714414 1.6627e-09 deg/d
Q 2.741080446203905 1.2635e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2148  
   data-arc span      30810 days (84.35 yr)  
   first obs. used      1935-07-31  
   last obs. used      2019-12-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .39456  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-13 21:21:44  

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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2118-May-20 18:44 00:01 Iris 0.0387510964391682 0.03874205631725 0.0387601375907543 6.93978278774687 6.93978276637004 2494783.280606599 1.00466184467428 550.221518049607 27.9952621296234 35.046433194824 119197.573478288 T 33 CATAB v2.0f-lin.ifort 2019-Dec-13 21:21:59 2019-Dec-13 21:22
2144-Sep-10 08:09 < 00:01 Juno 0.0482700972777847 0.0482637358791815 0.0482764614151212 10.5383571301159 10.5383571061996 2504392.839589232 0.624395535190266 657.112858810647 27.6995072641716 -61.225819738915 228529.720957129 T 33 CATAB v2.0f-lin.ifort 2019-Dec-13 21:21:59 2019-Dec-13 21:22
2155-Apr-07 17:18 00:01 Iris 0.0477086098430729 0.0476959829566505 0.0477212378748089 6.5248816236532 6.52488160518589 2508254.220942828 1.48579222962789 729.651393167006 28.0450315298496 -30.3927984738003 128998.138536687 T 33 CATAB v2.0f-lin.ifort 2019-Dec-13 21:21:59 2019-Dec-13 21:22

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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