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78171 (2002 NH32)
Classification: Main-belt Asteroid          SPK-ID: 2078171
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1693598903065938 6.0254e-08  
a 2.597272294337086 1.6156e-08 au
q 2.157398543471801 1.6399e-07 au
i 17.38537649202834 5.1285e-06 deg
node 258.9042649052622 2.0829e-05 deg
peri 162.8962524347719 3.0039e-05 deg
M 17.22946918577655 1.9511e-05 deg
tp 2458927.328147872973
(2020-Mar-18.82814787)
8.2648e-05 TDB
period 1528.88440622859
4.19
1.4265e-05
3.906e-08
d
yr
n .2354658066583582 2.197e-09 deg/d
Q 3.03714604520237 1.8892e-08 au
  Orbit Determination Parameters
   # obs. used (total)      908  
   data-arc span      7869 days (21.54 yr)  
   first obs. used      1998-08-19  
   last obs. used      2020-03-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49701  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:27:54  

Additional Information
 Earth MOID = 1.17623 au 
 Jupiter MOID = 2.28512 au 
 T_jup = 3.332 
[ 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 14.7   n/a MPO502627  
diameter diameter 3.573 km 0.697 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.126   0.048 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

78171 (2002 NH32)          Discovered 2002-Jul-13 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 2002 NH32 = 1998 QV97 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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