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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 ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2482907264150818 1.5139e-08  
a 2.542040825076967 9.7877e-09 au
q 1.910875662041813 4.1218e-08 au
i 8.990253951886253 1.1125e-06 deg
node 106.5915536948348 5.6591e-06 deg
peri 180.2809011430069 7.1867e-06 deg
M 337.3758614040102 7.7639e-06 deg
tp 2459293.534014224294
(2021-Mar-20.03401422)
3.2178e-05 TDB
period 1480.376588865244
4.05
8.5499e-06
2.341e-08
d
yr
n .243181365274056 1.4045e-09 deg/d
Q 3.173205988112121 1.2218e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2505  
   data-arc span      17609 days (48.21 yr)  
   first obs. used      1972-05-18  
   last obs. used      2020-08-03  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .42549  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 15:39:38  

Additional Information
 Earth MOID = .892545 au 
 Jupiter MOID = 2.01085 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 13.03   n/a E2021B10  
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

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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
1941-Dec-31 20:17 00:01 Jupiter 1.99838191293661 1.99838153337114 1.99838229250264 2.15137943034291 1.94440867854989 2430360.345132069 1.28788580023073 69.9845112160692 8.82079777411463 -80.9811353438267 7140908.01086975 T 36 CATAB v2.0f-lin.ifort 2021-Apr-12 15:40:33 2021-Apr-12 15:40
1954-Apr-13 00:09 00:01 Jupiter 1.97581315018529 1.97581301083527 1.97581328953542 2.18521675300553 1.97933851300886 2434845.506328629 1.00359400040344 58.8136451183929 6.10052265850922 -88.3706299844873 7290888.5170515 T 36 CATAB v2.0f-lin.ifort 2021-Apr-12 15:40:33 2021-Apr-12 15:40
2120-Feb-02 01:00 00:02 Jupiter 1.99576977079219 1.99576943874162 1.99577010284265 2.21908147679952 2.01878793896163 2495405.541525232 1.50576450656877 46.4296831250425 15.1475418513949 -88.3380562175446 6752704.49889073 T 36 CATAB v2.0f-lin.ifort 2021-Apr-12 15:40:33 2021-Apr-12 15:40
2132-May-13 10:46 00:02 Jupiter 1.98058685122977 1.98058666578966 1.98058703667202 2.22923766673843 2.02834311447266 2499889.948430789 1.71286480427188 134.314709359234 5.83667582810381 -88.6048438603569 7383284.40753139 T 36 CATAB v2.0f-lin.ifort 2021-Apr-12 15:40:33 2021-Apr-12 15:40

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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