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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07033101839040658 4.215e-08  
a 2.886015884612334 9.6097e-09 au
q 2.683039448356658 1.2102e-07 au
i .9135183731272554 3.1836e-06 deg
node 257.5655889593469 0.00024907 deg
peri 117.1133506467172 0.00025006 deg
M 344.5166466898983 2.0935e-05 deg
tp 2459077.520977432057
(2020-Aug-16.02097743)		 0.00010408 TDB
period 1790.79759534068
4.90		 8.9443e-06
2.449e-08		 d
yr
n .2010277436917788 1.0041e-09 deg/d
Q 3.088992320868009 1.0286e-08 au
   Orbit Determination Parameters
   # obs. used (total)      2897  
   data-arc span      32105 days (87.90 yr)  
   first obs. used      1932-12-23  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42478  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 02:03:18  

Additional Information
 Earth MOID = 1.68377 au 
 Jupiter MOID = 2.2754 au 
 T_jup = 3.289 
[ 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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