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22863 Namarkarian (1999 RJ152)
Classification: Main-belt Asteroid          SPK-ID: 2022863
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 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05190242439937449 6.3795e-08  
a 2.579003805256443 1.2338e-08 au
q 2.445147255228421 1.6894e-07 au
i 2.775617698490911 5.8776e-06 deg
node 186.5489457723531 6.3445e-05 deg
peri 353.5231988938867 7.2357e-05 deg
M 207.6955662713376 3.783e-05 deg
tp 2459840.509538687106
(2022-Sep-18.00953869)
0.00016175 TDB
period 1512.782184252318
4.14
1.0856e-05
2.972e-08
d
yr
n .2379721309171336 1.7077e-09 deg/d
Q 2.712860355284465 1.2978e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1222  
   data-arc span      10721 days (29.35 yr)  
   first obs. used      1991-10-06  
   last obs. used      2021-02-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51573  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 04:13:57  

Additional Information
 Earth MOID = 1.44716 au 
 Jupiter MOID = 2.24435 au 
 T_jup = 3.422 
[ 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 14.8   n/a MPO395224  
diameter diameter 2.611 km 0.590 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.216   0.148 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

22863 Namarkarian           Discovered 1999 Sept. 9 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Nanor Markarian mentored a finalist in the 2006 Discovery Channel Young Scientist Challenge (DCYSC), a middle school science competition. She teaches at the A.G.B.U. Manoogian Demirdjan School, Canoga Par, California.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20061009/MPCPages.arcLast Updated: 2006-10-14

[ show close-approach data ]
Alternate Designations
 1999 RJ152 = 2000 YN72 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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