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JPL Small-Body Database Browser
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3862 Agekian (1972 KM)
Classification: Main-belt Asteroid          SPK-ID: 2003862
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 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2479860384429296 3.2545e-08  
a 2.542821023130232 1.1589e-08 au
q 1.912236911134769 8.1734e-08 au
i 8.989767680633609 3.537e-06 deg
node 106.590007228927 3.8331e-05 deg
peri 180.1997014990561 4.1347e-05 deg
M 191.5660893647205 1.7032e-05 deg
tp 2459293.445610738471
(2021-Mar-19.94561074)
7.0945e-05 TDB
period 1481.058172460424
4.05
1.0125e-05
2.772e-08
d
yr
n .2430694531072646 1.6617e-09 deg/d
Q 3.173405135125696 1.4463e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1993  
   data-arc span      17360 days (47.53 yr)  
   first obs. used      1972-05-18  
   last obs. used      2019-11-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46072  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-03 20:54:49  

Additional Information
 Earth MOID = .895205 au 
 Jupiter MOID = 2.00925 au 
 T_jup = 3.384 
[ 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 13.0   n/a MPO435735  
diameter diameter 6.488 km 0.322 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.349   0.026 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
SMASSII spectral type spec_B S   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)

3862 Agekian (1972 KM)          Discovered 1972-May-18 by Smirnova, T. at Nauchnyj
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1972 KM = 1980 KB2 = 1980 KC1 = 1984 KX 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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