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JPL Small-Body Database Browser
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5641 McCleese (1990 DJ)
Classification: Mars-crossing Asteroid          SPK-ID: 2005641
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .126288416526765 4.4824e-08  
a 1.819569397152714 4.8085e-09 au
q 1.589778859225738 8.3896e-08 au
i 22.20031149321888 4.3834e-06 deg
node 151.3057446612733 9.6307e-06 deg
peri 57.0715248017756 1.9226e-05 deg
M 265.9249631760134 1.899e-05 deg
tp 2458834.773550235637
(2019-Dec-17.27355024)
4.7771e-05 TDB
period 896.5022064527662
2.45
3.5537e-06
9.73e-09
d
yr
n .4015606402402839 1.5918e-09 deg/d
Q 2.049359935079691 5.4158e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1813  
   data-arc span      16800 days (46.00 yr)  
   first obs. used      1973-04-06  
   last obs. used      2019-04-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42626  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-12 18:40:02  

Additional Information
 Earth MOID = .654566 au 
 Jupiter MOID = 2.9918 au 
 T_jup = 3.946 
[ 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 14.0   n/a MPO416773  
diameter diameter 5.68 km 0.5 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 2
rotation period rot_per 418. 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:
[Warner, B.D. (2010) Minor Planet Bull. 37, 161-165.]
geometric albedo albedo 0.291   0.082 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  
SMASSII spectral type spec_B A   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)

5641 McCleese (1990 DJ)          Discovered 1990-Feb-27 by Helin, E. at Palomar
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1990 DJ = 1973 GA 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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