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751 Faina (A913 HE)
Classification: Main-belt Asteroid          SPK-ID: 2000751
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 48 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1514210932915306 4.1065e-08  
a 2.552201746582981 8.1664e-09 au
q 2.165744567814832 1.0498e-07 au
i 15.59965550634116 4.0706e-06 deg
node 78.84919543013075 1.6514e-05 deg
peri 302.2592975204797 2.1069e-05 deg
M 293.4092577209539 1.5501e-05 deg
tp 2459275.975058751708
(2021-Mar-02.47505875)
6.4716e-05 TDB
period 1489.261386140469
4.08
7.1479e-06
1.957e-08
d
yr
n .2417305674814859 1.1602e-09 deg/d
Q 2.93865892535113 9.403e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2781  
   data-arc span      39274 days (107.53 yr)  
   first obs. used      1913-05-08  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .38886  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 01:55:51  

Additional Information
 Earth MOID = 1.21247 au 
 Jupiter MOID = 2.55793 au 
 T_jup = 3.372 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 8.7   n/a MPO492758 IRAS observations used: 16
magnitude slope G 0.08   n/a PDS3 (MPC 17259) Fit
diameter diameter 113.699 km 2.449 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 23.678 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Miles, R. (1989) Minor Planet Bull. 16, 25-27.]
geometric albedo albedo 0.027   0.013 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)  
B-V BV 0.685   0.018 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=5; phase (min.=2.65, mean=10.90, max.=21.57) deg.
U-B UB 0.376   0.030 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=4; phase (min.=2.65, mean=11.43, max.=21.57) deg.
Tholen spectral type spec_T C   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 7 color indices
SMASSII spectral type spec_B Ch   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)

751 Faina (A913 HE)          Discovered 1913-Apr-28 by Neujmin, G. at Simeis
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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