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3234 Hergiani (1978 QO2)
Classification: Main-belt Asteroid          SPK-ID: 2003234
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1917629188471224 3.2283e-08  
a 3.09776493719887 1.3611e-08 au
q 2.503728490939342 1.0121e-07 au
i .9626538763864768 3.6944e-06 deg
node 77.03050903164255 0.00021112 deg
peri 313.4030065793569 0.00021134 deg
M 194.7169620036061 1.1367e-05 deg
tp 2459914.817227138517
(2022-Dec-01.31722714)
6.6612e-05 TDB
period 1991.457839594209
5.45
1.3125e-05
3.593e-08
d
yr
n .1807720921038206 1.1914e-09 deg/d
Q 3.691801383458398 1.6221e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2281  
   data-arc span      15304 days (41.90 yr)  
   first obs. used      1978-08-26  
   last obs. used      2020-07-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47876  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 04:02:02  

Additional Information
 Earth MOID = 1.50936 au 
 Jupiter MOID = 1.75218 au 
 T_jup = 3.194 
[ 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 12.9   n/a MPO384780  
diameter diameter 13.879 km 0.315 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.092   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

3234 Hergiani (1978 QO2)          Discovered 1978-Aug-31 by Chernykh, N. at Nauchnyj
Reference: DISCOVERY.DBLast Updated: 2003-08-29

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Alternate Designations
 1978 QO2 = 1979 YG8 = 1981 EX22 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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