Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
IMPORTANT: The SSD Announcement email list is now available. Major changes are coming in the near future, including possible hostname and/or URL changes. To be notified of such changes, subscribe to this email list.

Please visit this page for more details.


JPL Small-Body Database Browser
Search: [ help ]  
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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0708190582519005 4.2799e-08  
a 2.8892531348295 1.2499e-08 au
q 2.684638948769523 1.2332e-07 au
i .9132515095847344 3.448e-06 deg
node 257.5626153313193 0.00027178 deg
peri 116.2933610304853 0.00027285 deg
M 264.9925956560782 2.4471e-05 deg
tp 2459073.903831877009
(2020-Aug-12.40383188)		 0.0001226 TDB
period 1793.811552400615
4.91		 1.164e-05
3.187e-08		 d
yr
n .2006899774495379 1.3023e-09 deg/d
Q 3.093867320889476 1.3384e-08 au
   Orbit Determination Parameters
   # obs. used (total)      2446  
   data-arc span      31740 days (86.90 yr)  
   first obs. used      1932-12-23  
   last obs. used      2019-11-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45672  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-13 21:07:29  

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 ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Jan-27 06:04 UT
(server date/time)   		NASA Home Page
Site Manager:   Ryan S. Park
Webmaster:   Alan B. Chamberlin