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5242 Kenreimonin (1991 BO)
Classification: Main-belt Asteroid          SPK-ID: 2005242
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 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06755617632529437 2.9332e-08  
a 2.799688941185439 1.1278e-08 au
q 2.610552661418739 8.56e-08 au
i 2.871505945059024 4.2391e-06 deg
node 226.6084342134399 7.3503e-05 deg
peri 68.61485237050867 8.2402e-05 deg
M 279.7414848269042 3.8451e-05 deg
tp 2459381.962384881437
(2021-Jun-16.46238488)
0.0001831 TDB
period 1711.05157204991
4.68
1.0339e-05
2.831e-08
d
yr
n .2103969312676562 1.2713e-09 deg/d
Q 2.988825220952139 1.204e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2537  
   data-arc span      14980 days (41.01 yr)  
   first obs. used      1979-07-30  
   last obs. used      2020-08-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45356  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-24 23:25:51  

Additional Information
 Earth MOID = 1.59629 au 
 Jupiter MOID = 2.12894 au 
 T_jup = 3.320 
[ 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 12.9   n/a MPO502203  
diameter diameter 7.507 km 0.107 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.313   0.074 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
SMASSII spectral type spec_B Sq   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)

5242 Kenreimonin (1991 BO)          Discovered 1991-Jan-18 by Inoda and Urata at Karasuyama
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1991 BO = 1975 VY3 = 1979 OX15 = 1989 UN4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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