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22610 (1998 JK4)
Classification: Main-belt Asteroid          SPK-ID: 2022610
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1544457672540824 3.0666e-08  
a 2.266274531735867 7.004e-09 au
q 1.916258022873534 6.8525e-08 au
i 3.52721528442411 3.4454e-06 deg
node 220.992399928668 5.5928e-05 deg
peri 72.59302178245922 5.7188e-05 deg
M 177.2582970623401 1.2886e-05 deg
tp 2458586.919885495910
(2019-Apr-13.41988550)
4.3999e-05 TDB
period 1246.141054507524
3.41
5.7769e-06
1.582e-08
d
yr
n .2888918543352801 1.3393e-09 deg/d
Q 2.616291040598199 8.0858e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2026  
   data-arc span      10923 days (29.91 yr)  
   first obs. used      1991-04-08  
   last obs. used      2021-03-04  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50495  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 04:08:13  

Additional Information
 Earth MOID = .901874 au 
 Jupiter MOID = 2.55713 au 
 T_jup = 3.598 
[ 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 14.54   n/a E2021B10  
diameter diameter 2.903 km 0.752 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.332   0.193 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

22610 (1998 JK4)          Discovered 1998-May-06 by Visnjan at Visnjan
Reference: 20010309/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 JK4 = 1991 GL3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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