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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03030502388262393 6.7144e-08  
a 3.01099152769293 4.6704e-08 au
q 2.919743357535818 2.1804e-07 au
i 9.157832702108454 5.5168e-06 deg
node 248.2266587235416 4.2298e-05 deg
peri 75.87442219709054 0.00014008 deg
M 348.403086263965 0.00012809 deg
tp 2459061.975582572344
(2020-Jul-31.47558257)
0.00067846 TDB
period 1908.370643240689
5.22
4.4401e-05
1.216e-07
d
yr
n .1886426000499924 4.3891e-09 deg/d
Q 3.102239697850043 4.8119e-08 au
  Orbit Determination Parameters
   # obs. used (total)      153  
   data-arc span      5457 days (14.94 yr)  
   first obs. used      2005-10-29  
   last obs. used      2020-10-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51485  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 08:50:26  

Additional Information
 Earth MOID = 1.9231 au 
 Jupiter MOID = 2.01481 au 
 T_jup = 3.229 
[ hide covariance matrix ]
Orbital Elements at Epoch 2458210.5 (2018-Apr-02.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0321741126031346 6.8564e-08  
q 2.911445898458781 2.2355e-07 au
tp 2459079.083547179395
(2020-Aug-17.58354718)
0.00062506 TDB
node 248.2713297284705 4.223e-05 deg
peri 79.41494201282612 0.0001306 deg
i 9.167262217636157 5.5225e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      153  
   data-arc span      5457 days (14.94 yr)  
   first obs. used      2005-10-29  
   last obs. used      2020-10-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51485  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 08:50:26  

Additional Information
 Jupiter MOID = 2.01481 au 
 T_jup = 3.229 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.701025477176656E-15 -1.503948070352874E-14 1.700952834854854E-11 7.40760117135475E-15 3.493279738724519E-12 -1.586506620807882E-14
q -1.503948070352874E-14 4.997516644584575E-14 -6.264195986132555E-11 -2.233468323771819E-14 -1.293239035498296E-11 5.353935891385142E-14
tp 1.700952834854854E-11 -6.264195986132555E-11 3.906964137525231E-7 7.780101466207877E-11 7.727766909182179E-8 -5.994113945757183E-11
node 7.40760117135475E-15 -2.233468323771819E-14 7.780101466207877E-11 1.783401389273332E-9 -1.744762733357852E-9 5.63887803968746E-12
peri 3.493279738724519E-12 -1.293239035498296E-11 7.727766909182179E-8 -1.744762733357852E-9 1.705720528732211E-8 -1.81523851244682E-11
i -1.586506620807882E-14 5.353935891385142E-14 -5.994113945757183E-11 5.63887803968746E-12 -1.81523851244682E-11 3.0497493328074E-11

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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