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 ]  
779 Nina (A914 BH)
Classification: Main-belt Asteroid          SPK-ID: 2000779
[ 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 68 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .227651266328809 4.8495e-08  
a 2.662977471573964 8.9129e-09 au
q 2.056747277965061 1.3089e-07 au
i 14.58227694143832 5.224e-06 deg
node 283.7371956764405 1.7873e-05 deg
peri 49.22534804996391 2.0185e-05 deg
M 210.6609313679492 1.0195e-05 deg
tp 2459258.946666254935
(2021-Feb-13.44666626)		 4.6255e-05 TDB
period 1587.265824161592
4.35		 7.9688e-06
2.182e-08		 d
yr
n .2268051100956296 1.1387e-09 deg/d
Q 3.269207665182866 1.0942e-08 au
   Orbit Determination Parameters
   # obs. used (total)      2006  
   data-arc span      37541 days (102.78 yr)  
   first obs. used      1916-07-29  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .33381  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-29 19:13:38  

Additional Information
 Earth MOID = 1.07436 au 
 Jupiter MOID = 2.16288 au 
 T_jup = 3.302 
[ 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 7.9   n/a MPO435702  
diameter diameter 80.572 km 2.220 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 11.186 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Published Reference List:
[Harris, A.W.; Young, J.W.; Dockweiler, T.; Gibson, J.; et al. (1992) Icarus 95, 115-147.]
[Warner, B.D. (2009) Minor Planet Bull. 36, 109-116.]
[Behrend, R. (2012) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
geometric albedo albedo 0.157   0.022 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
SMASSII spectral type spec_B X   n/a EAR-A-5-DDR-TAXONOMY-V4.0 based on a high-resolution spectrum by Xu et al. (1995) or Bus and Binzel (2002)

779 Nina (A914 BH)          Discovered 1914-Jan-25 by Neujmin, G. at Simeis
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 A914 BH = A908 YB = A912 TE 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2019-Dec-05 22:28 UT
(server date/time)   		NASA Home Page
Site Manager:   Ryan S. Park
Webmaster:   Alan B. Chamberlin