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441991 (2010 NO84)
Classification: Main-belt Asteroid          SPK-ID: 2441991
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03169304938381226 7.3953e-08  
a 3.011279441440827 6.223e-08 au
q 2.915842813394785 2.5609e-07 au
i 9.167692540908966 9.1555e-06 deg
node 248.2665399183171 4.3407e-05 deg
peri 77.72387048011781 0.00016018 deg
M 271.2532321979043 0.00015391 deg
tp 2459071.016718667032
(2020-Aug-09.51671867)
0.00081854 TDB
period 1908.644369988329
5.23
5.9165e-05
1.62e-07
d
yr
n .1886155460182461 5.8468e-09 deg/d
Q 3.106716069486871 6.4202e-08 au
  Orbit Determination Parameters
   # obs. used (total)      102  
   data-arc span      4987 days (13.65 yr)  
   first obs. used      2005-10-29  
   last obs. used      2019-06-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5783  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:42:37  

Additional Information
 Earth MOID = 1.91937 au 
 Jupiter MOID = 2.01772 au 
 T_jup = 3.229 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.2   n/a MPO434640  
diameter diameter 4.696 km 0.466 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.035   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

441991 (2010 NO84)          Discovered 2010-Jul-01 by WISE at WISE
Reference: Last Updated: 2015-09-02
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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