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22879 (1999 RJ211)
Classification: Main-belt Asteroid          SPK-ID: 2022879
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1017697019880758 4.2484e-08  
a 2.690709977750168 1.3205e-08 au
q 2.416877225178191 1.1165e-07 au
i 12.89817549639734 4.5544e-06 deg
node 348.7838072177871 1.7319e-05 deg
peri 165.3051632378425 2.5566e-05 deg
M 164.0843085607783 1.9413e-05 deg
tp 2458465.709874815289
(2018-Dec-13.20987482)
8.5836e-05 TDB
period 1612.125177518202
4.41
1.1868e-05
3.249e-08
d
yr
n .2233077213980397 1.6439e-09 deg/d
Q 2.964542730322144 1.4549e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1130  
   data-arc span      15655 days (42.86 yr)  
   first obs. used      1977-10-16  
   last obs. used      2020-08-26  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51808  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 04:14:15  

Additional Information
 Earth MOID = 1.42779 au 
 Jupiter MOID = 2.02081 au 
 T_jup = 3.328 
[ 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 14.4   n/a MPO340859  
diameter diameter 3.341 km 0.199 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.275   0.063 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

22879 (1999 RJ211)          Discovered 1999-Sep-08 by LINEAR at Socorro
Reference: 20010309/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 RJ211 = 1228 T-3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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