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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 72 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2277994178094218 4.4342e-08  
a 2.663909573724142 8.1109e-09 au
q 2.057072523732837 1.2053e-07 au
i 14.58218412146584 4.923e-06 deg
node 283.7370685846914 1.6885e-05 deg
peri 49.12553657145855 1.9209e-05 deg
M 301.4965918631111 1.0117e-05 deg
tp 2459258.581165223982
(2021-Feb-13.08116522)
4.5124e-05 TDB
period 1588.099265315283
4.35
7.2531e-06
1.986e-08
d
yr
n .2266860818228071 1.0353e-09 deg/d
Q 3.270746623715446 9.9586e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2356  
   data-arc span      38066 days (104.22 yr)  
   first obs. used      1916-07-29  
   last obs. used      2020-10-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .31842  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 04:25:52  

Additional Information
 Earth MOID = 1.07541 au 
 Jupiter MOID = 2.16354 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-August); 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 ]
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