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JPL Small-Body Database Browser
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185982 (2001 NW)
Classification: Main-belt Asteroid          SPK-ID: 2185982
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2192783337183501 5.3489e-08  
a 2.391907344184311 1.0218e-08 au
q 1.867413887342891 1.2891e-07 au
i 5.763756843960738 4.8298e-06 deg
node 67.94139686164907 6.673e-05 deg
peri 243.7240210237456 6.8168e-05 deg
M 26.42602024849555 1.5603e-05 deg
tp 2458901.315406451379
(2020-Feb-21.81540645)
5.835e-05 TDB
period 1351.185435481392
3.70
8.6578e-06
2.37e-08
d
yr
n .2664327120072468 1.7072e-09 deg/d
Q 2.916400801025731 1.2458e-08 au
  Orbit Determination Parameters
   # obs. used (total)      345  
   data-arc span      9568 days (26.20 yr)  
   first obs. used      1993-03-23  
   last obs. used      2019-06-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .65207  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 20:13:03  

Additional Information
 Earth MOID = .86178 au 
 Jupiter MOID = 2.37601 au 
 T_jup = 3.492 
[ 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 16.6   n/a MPO436919  
diameter diameter 2.800 km 0.516 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.057   0.040 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

185982 (2001 NW)          Discovered 2001-Jul-12 by NEAT at Palomar
Reference: 20080520/Numbers.arcLast Updated: 2008-05-22

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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