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441819 (2009 NW1)
Classification: Main-belt Asteroid          SPK-ID: 2441819
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3694975170220784 6.6448e-08  
a 3.164707778303637 6.9018e-08 au
q 1.995356112119985 1.969e-07 au
i 25.80548237459114 1.6795e-05 deg
node 65.03895085297167 1.7695e-05 deg
peri 266.0321270310637 2.989e-05 deg
M 326.6109292757036 2.618e-05 deg
tp 2459191.221950623309
(2020-Dec-07.72195062)
0.00015389 TDB
period 2056.3585848596
5.63
6.7269e-05
1.842e-07
d
yr
n .175066743052783 5.7269e-09 deg/d
Q 4.33405944448729 9.452e-08 au
  Orbit Determination Parameters
   # obs. used (total)      198  
   data-arc span      5293 days (14.49 yr)  
   first obs. used      2004-11-10  
   last obs. used      2019-05-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54323  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 10:13:05  

Additional Information
 Earth MOID = 1.16678 au 
 Jupiter MOID = 1.94153 au 
 T_jup = 2.949 
[ 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 15.8   n/a MPO472458  
diameter diameter 4.625 km 1.378 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  
geometric albedo albedo 0.036   0.019 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  

441819 (2009 NW1)          Discovered 2009-Jul-11 by Siding Spring Survey at Siding Spring
Reference: Last Updated: 2015-09-02

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