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101885 (1999 NV40)
Classification: Main-belt Asteroid          SPK-ID: 2101885
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2171101467539981 5.847e-08  
a 3.130368796855434 2.0314e-08 au
q 2.450733967976015 1.8704e-07 au
i 16.45402780587753 6.4037e-06 deg
node 324.9188303505129 1.6323e-05 deg
peri 58.47800748112864 2.1173e-05 deg
M 227.0689235133621 1.2788e-05 deg
tp 2459747.491580292774
(2022-Jun-16.99158029)
7.567e-05 TDB
period 2022.98044981551
5.54
1.9691e-05
5.391e-08
d
yr
n .1779552541067962 1.7322e-09 deg/d
Q 3.810003625734854 2.4724e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1048  
   data-arc span      11156 days (30.54 yr)  
   first obs. used      1989-11-09  
   last obs. used      2020-05-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53158  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 19:57:59  

Additional Information
 Earth MOID = 1.49579 au 
 Jupiter MOID = 1.90267 au 
 T_jup = 3.114 
[ 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 13.6   n/a MPO395897  
diameter diameter 9.898 km 0.217 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.079   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

101885 (1999 NV40)          Discovered 1999-Jul-14 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1999 NV40 = 2000 XN43 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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