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56881 (2000 QE122)
Classification: Outer Main-belt Asteroid          SPK-ID: 2056881
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1281671977791141 3.519e-08  
a 3.41118940476414 2.8479e-08 au
q 2.973986817661716 1.2885e-07 au
i 14.90738397563002 5.106e-06 deg
node 194.4997612231037 1.4517e-05 deg
peri 242.6777489666424 2.447e-05 deg
M 343.6518701493924 1.9907e-05 deg
tp 2459105.001555708958
(2020-Sep-12.50155571)
0.00012754 TDB
period 2301.214903417646
6.30
2.8818e-05
7.89e-08
d
yr
n .1564391050420135 1.9591e-09 deg/d
Q 3.848391991866564 3.2129e-08 au
  Orbit Determination Parameters
   # obs. used (total)      909  
   data-arc span      8599 days (23.54 yr)  
   first obs. used      1997-04-03  
   last obs. used      2020-10-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49658  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 22:57:27  

Additional Information
 Earth MOID = 2.02394 au 
 Jupiter MOID = 1.71757 au 
 T_jup = 3.077 
[ 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 13.8   n/a MPO417216  
diameter diameter 10.714 km 0.159 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.039   0.002 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

56881 (2000 QE122)          Discovered 2000-Aug-25 by LINEAR at Socorro
Reference: 20030318/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2000 QE122 = 1997 GK19 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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