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160890 (2001 QH282)
Classification: Outer Main-belt Asteroid          SPK-ID: 2160890
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1863972478884504 4.8292e-08  
a 3.421207023792981 2.5367e-08 au
q 2.783503450101333 1.6475e-07 au
i 15.19970410111801 4.5428e-06 deg
node 269.3945665989795 1.9368e-05 deg
peri 96.14099509228419 2.5043e-05 deg
M 16.91266167760149 1.2601e-05 deg
tp 2459091.913228758577
(2020-Aug-30.41322876)
8.1115e-05 TDB
period 2311.359287620784
6.33
2.5706e-05
7.038e-08
d
yr
n .155752505431801 1.7322e-09 deg/d
Q 4.058910597484629 3.0095e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1052  
   data-arc span      7091 days (19.41 yr)  
   first obs. used      2001-08-19  
   last obs. used      2021-01-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46611  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 11:02:40  

Additional Information
 Earth MOID = 1.8341 au 
 Jupiter MOID = 1.78504 au 
 T_jup = 3.058 
[ 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 13.91   n/a E2020-QM9  
diameter diameter 8.718 km 0.406 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.084   0.021 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

160890 (2001 QH282)          Discovered 2001-Aug-19 by LONEOS at Anderson Mesa
Reference: 20070828/Numbers.arcLast Updated: 2007-08-30

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