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52229 (1978 NN)
Classification: Main-belt Asteroid          SPK-ID: 2052229
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1590009462970951 6.8256e-08  
a 2.757785882621276 2.6078e-08 au
q 2.319295317599723 1.9435e-07 au
i 35.07107801441377 9.316e-06 deg
node 293.627356576147 1.0903e-05 deg
peri 318.9294877222306 3.7329e-05 deg
M 353.2731463653545 4.1403e-05 deg
tp 2458631.757102754880
(2019-May-28.25710275)
0.00019249 TDB
period 1672.781600866488
4.58
2.3727e-05
6.496e-08
d
yr
n .215210401533304 3.0526e-09 deg/d
Q 3.196276447642828 3.0225e-08 au
  Orbit Determination Parameters
   # obs. used (total)      604  
   data-arc span      15016 days (41.11 yr)  
   first obs. used      1978-07-08  
   last obs. used      2019-08-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53783  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 02:20:42  

Additional Information
 Earth MOID = 1.35486 au 
 Jupiter MOID = 2.12682 au 
 T_jup = 3.063 
[ 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 13.6   n/a MPO436149  
diameter diameter 8.744 km 0.054 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.092   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

52229 (1978 NN)          Discovered 1978-Jul-10 by Helin, E. F., Shoemaker, E. M. at Palomar
Reference: 20030216/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1978 NN = 2001 LQ17 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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