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JPL Small-Body Database Browser
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37328 (2001 QN99)
Classification: Main-belt Asteroid          SPK-ID: 2037328
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .122120842644568 3.4451e-08  
a 2.578445952781303 1.1823e-08 au
q 2.263563960314174 8.6498e-08 au
i 13.23607437997666 3.77e-06 deg
node 246.1121117969162 2.4281e-05 deg
peri 194.2249383128995 3.7018e-05 deg
M 157.049474091853 2.8091e-05 deg
tp 2458340.765096311460
(2018-Aug-10.26509631)
0.00011617 TDB
period 1512.291376340208
4.14
1.0402e-05
2.848e-08
d
yr
n .2380493637880889 1.6373e-09 deg/d
Q 2.893327945248432 1.3267e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1507  
   data-arc span      8141 days (22.29 yr)  
   first obs. used      1997-10-17  
   last obs. used      2020-01-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45341  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 04:29:23  

Additional Information
 Earth MOID = 1.28087 au 
 Jupiter MOID = 2.38654 au 
 T_jup = 3.378 
[ 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 MPO436029  
diameter diameter 7.408 km 0.166 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.115   0.020 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

37328 (2001 QN99)          Discovered 2001-Aug-22 by LINEAR at Socorro
Reference: 20020227/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2001 QN99 = 2000 LG20 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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