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227213 (2005 QP164)
Classification: Main-belt Asteroid          SPK-ID: 2227213
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2134942649855459 5.4546e-08  
a 2.3413871393576 1.7763e-08 au
q 1.841514412993839 1.3589e-07 au
i 11.60229450993345 8.0135e-06 deg
node 4.580831484508672 2.5993e-05 deg
peri 276.3219057833256 3.3241e-05 deg
M 146.0801713821447 2.6484e-05 deg
tp 2458669.496921835956
(2019-Jul-04.99692184)
9.2546e-05 TDB
period 1308.604079050398
3.58
1.4892e-05
4.077e-08
d
yr
n .2751023061621799 3.1306e-09 deg/d
Q 2.84125986572136 2.1555e-08 au
  Orbit Determination Parameters
   # obs. used (total)      495  
   data-arc span      8119 days (22.23 yr)  
   first obs. used      1998-10-12  
   last obs. used      2021-01-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54394  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 13:11:10  

Additional Information
 Earth MOID = .867711 au 
 Jupiter MOID = 2.42774 au 
 T_jup = 3.506 
[ 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 16.4   n/a MPO527642  
diameter diameter 3.074 km 0.328 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.074   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

227213 (2005 QP164)          Discovered 2005-Aug-31 by NEAT at Palomar
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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