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437923 (2002 NB70)
Classification: Main-belt Asteroid          SPK-ID: 2437923
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3118242432332672 1.8045e-07  
a 2.646632243941587 1.7414e-08 au
q 1.821348147357738 4.7429e-07 au
i 11.33901440600818 7.4263e-06 deg
node 256.7575632467375 5.8924e-05 deg
peri 68.28222462294529 6.6829e-05 deg
M 140.5531485467687 1.6005e-05 deg
tp 2458782.487936735975
(2019-Oct-25.98793674)
6.7515e-05 TDB
period 1572.674429996827
4.31
1.5521e-05
4.249e-08
d
yr
n .2289094253288814 2.2592e-09 deg/d
Q 3.471916340525437 2.2844e-08 au
  Orbit Determination Parameters
   # obs. used (total)      187  
   data-arc span      6204 days (16.99 yr)  
   first obs. used      2002-07-10  
   last obs. used      2019-07-05  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50018  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 14:28:17  

Additional Information
 Earth MOID = .844142 au 
 Jupiter MOID = 2.01875 au 
 T_jup = 3.295 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456505.5 (2013-Aug-01.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .312567128729846 1.7836e-07  
q 1.817778662048756 4.6749e-07 au
tp 2457212.492390427970
(2015-Jul-08.99239043)
6.3624e-05 TDB
node 256.7890727171331 5.8953e-05 deg
peri 68.50200803628377 6.6916e-05 deg
i 11.3397451611724 7.4282e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      187  
   data-arc span      6204 days (16.99 yr)  
   first obs. used      2002-07-10  
   last obs. used      2019-07-05  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50018  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 14:28:17  

Additional Information
 Jupiter MOID = 2.01875 au 
 T_jup = 3.295 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.181165064386692E-14 -8.335608619045194E-14 -2.198295481329752E-12 4.593739523469362E-13 -3.900949185009575E-12 -3.22902215891314E-13
q -8.335608619045194E-14 2.185485459460878E-13 5.848137005180459E-12 -1.200413964992941E-12 1.022095640887251E-11 8.464398277996448E-13
tp -2.198295481329752E-12 5.848137005180459E-12 4.048048844022303E-9 -1.258038669983597E-10 1.813154326701947E-9 -6.745843781295169E-12
node 4.593739523469362E-13 -1.200413964992941E-12 -1.258038669983597E-10 3.475474176402234E-9 -3.497215864657986E-9 -8.850959414239791E-11
peri -3.900949185009575E-12 1.022095640887251E-11 1.813154326701947E-9 -3.497215864657986E-9 4.477793392122431E-9 1.111448248522338E-10
i -3.22902215891314E-13 8.464398277996448E-13 -6.745843781295169E-12 -8.850959414239791E-11 1.111448248522338E-10 5.517786722495467E-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 17.0   n/a MPO477054  
diameter diameter 2.457 km 0.510 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.045   0.032 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  

437923 (2002 NB70)          Discovered 2002-Jul-10 by NEAT at Palomar
Reference: Last Updated: 2015-07-06
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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