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1894 Haffner (1971 UH)
Classification: Main-belt Asteroid          SPK-ID: 2001894
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07081907552777698 4.7483e-08  
a 2.889253137325027 1.3215e-08 au
q 2.684638901173939 1.3531e-07 au
i .913252172386296 3.527e-06 deg
node 257.5626337490708 0.00028254 deg
peri 116.2933371105338 0.00028358 deg
M 264.9925993799343 2.4629e-05 deg
tp 2459073.903813935080
(2020-Aug-12.40381393)		 0.00012343 TDB
period 1793.811554724661
4.91		 1.2307e-05
3.369e-08		 d
yr
n .2006899771895258 1.3769e-09 deg/d
Q 3.093867373476114 1.4151e-08 au
   Orbit Determination Parameters
   # obs. used (total)      2323  
   data-arc span      31547 days (86.37 yr)  
   first obs. used      1932-12-23  
   last obs. used      2019-05-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46221  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-29 19:28:23  

Additional Information
 Earth MOID = 1.68431 au 
 Jupiter MOID = 2.2753 au 
 T_jup = 3.287 
[ 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 12.0   n/a MPO265967  
diameter diameter 10.826 km 0.250 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.305   0.024 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

1894 Haffner (1971 UH)          Discovered 1971-Oct-26 by Kohoutek, L. at Bergedorf
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1971 UH = 1932 YG = 1961 TH = 1961 TP1 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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