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46327 (2001 QU161)
Classification: Main-belt Asteroid          SPK-ID: 2046327
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07069490986074216 3.9192e-08  
a 2.948959236122726 1.5907e-08 au
q 2.740482828742027 1.1657e-07 au
i 4.059250823572811 4.3713e-06 deg
node 65.61246245840998 5.1433e-05 deg
peri 139.7537431282068 5.7428e-05 deg
M 16.49263872022138 2.5023e-05 deg
tp 2458915.759850538548
(2020-Mar-07.25985054)
0.00012853 TDB
period 1849.701210560021
5.06
1.4966e-05
4.097e-08
d
yr
n .1946260282172845 1.5747e-09 deg/d
Q 3.157435643503425 1.7031e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1068  
   data-arc span      10017 days (27.43 yr)  
   first obs. used      1992-11-23  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52584  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 09:32:09  

Additional Information
 Earth MOID = 1.73741 au 
 Jupiter MOID = 1.80355 au 
 T_jup = 3.263 
[ 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 14.6   n/a MPO279975  
diameter diameter 3.781 km 0.396 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.196   0.085 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

46327 (2001 QU161)          Discovered 2001-Aug-23 by LONEOS at Anderson Mesa
Reference: 20020822/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2001 QU161 = 1992 WM7 = 2000 KC20 = 2000 MZ6 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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