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JPL Small-Body Database Browser
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212941 (2008 YR22)
Classification: Main-belt Asteroid          SPK-ID: 2212941
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2024800571507566 5.7228e-08  
a 2.415467852339233 1.3739e-08 au
q 1.92638378355177 1.3397e-07 au
i 1.075100219009369 5.613e-06 deg
node 183.5322082909025 0.00026643 deg
peri 189.5723885361012 0.00026678 deg
M 355.8874403248074 1.3745e-05 deg
tp 2458616.164265358261
(2019-May-12.66426536)
5.2423e-05 TDB
period 1371.198468678691
3.75
1.1699e-05
3.203e-08
d
yr
n .2625440504954049 2.24e-09 deg/d
Q 2.904551921126697 1.6521e-08 au
  Orbit Determination Parameters
   # obs. used (total)      327  
   data-arc span      7499 days (20.53 yr)  
   first obs. used      1996-09-05  
   last obs. used      2017-03-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6082  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-10 23:45:02  

Additional Information
 Earth MOID = .926046 au 
 Jupiter MOID = 2.55639 au 
 T_jup = 3.488 
[ 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 17.2   n/a MPO260366  

212941 (2008 YR22)          Discovered 2008-Dec-21 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20090409/Numbers.arcLast Updated: 2009-04-10

[ show close-approach data ]
Alternate Designations
 2008 YR22 = 1996 RX6 = 2007 NN1 = 2007 VK20 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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