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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2169727751018814 5.8574e-08  
a 3.131655892694195 2.0223e-08 au
q 2.452171822992176 1.8789e-07 au
i 16.45467672249181 6.3865e-06 deg
node 324.9102946609696 1.6204e-05 deg
peri 58.37199241183114 2.0912e-05 deg
M 262.7825124052349 1.2847e-05 deg
tp 2459747.139956114437
(2022-Jun-16.63995611)
7.5202e-05 TDB
period 2024.22824401187
5.54
1.9607e-05
5.368e-08
d
yr
n .1778455572216039 1.7227e-09 deg/d
Q 3.811139962396214 2.4611e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1052  
   data-arc span      11156 days (30.54 yr)  
   first obs. used      1989-11-09  
   last obs. used      2020-05-26  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53062  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:39:11  

Additional Information
 Earth MOID = 1.49571 au 
 Jupiter MOID = 1.90142 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 13.57   n/a E2021B55  
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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