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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0703971453369495 2.6556e-08  
a 2.886245892800596 9.3661e-09 au
q 2.683062421206939 7.6086e-08 au
i .913497024365858 4.3402e-07 deg
node 257.5680536048303 0.00011903 deg
peri 117.2158764936401 0.00012525 deg
M 24.62830149299057 1.7419e-05 deg
tp 2459077.973400837142
(2020-Aug-16.47340084)
8.6793e-05 TDB
period 1791.011682684766
4.90
8.718e-06
2.387e-08
d
yr
n .201003713979326 9.7841e-10 deg/d
Q 3.089429364394253 1.0025e-08 au
  Orbit Determination Parameters
   # obs. used (total)      3133  
   data-arc span      32229 days (88.24 yr)  
   first obs. used      1932-12-23  
   last obs. used      2021-03-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .41644  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-03 19:49:44  

Additional Information
 Earth MOID = 1.68235 au 
 Jupiter MOID = 2.27428 au 
 T_jup = 3.288 
[ 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 12.10   n/a E2021B10  
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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