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1653 Yakhontovia (1937 RA)
Classification: Main-belt Asteroid          SPK-ID: 2001653
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 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3235277699949556 3.5124e-08  
a 2.609333496783006 8.9777e-09 au
q 1.76514164939566 9.3239e-08 au
i 4.070614561267563 4.2608e-06 deg
node 303.9857459736442 5.9246e-05 deg
peri 88.83527588383086 5.957e-05 deg
M 198.428674184971 7.424e-06 deg
tp 2459691.462692646630
(2022-Apr-21.96269265)
3.359e-05 TDB
period 1539.546501200085
4.22
7.9455e-06
2.175e-08
d
yr
n .2338350934638076 1.2068e-09 deg/d
Q 3.453525344170352 1.1882e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2630  
   data-arc span      41994 days (114.97 yr)  
   first obs. used      1905-02-09  
   last obs. used      2020-01-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46426  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 16:01:14  

Additional Information
 Earth MOID = .777041 au 
 Jupiter MOID = 2.02741 au 
 T_jup = 3.331 
[ 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 11.7   n/a MPO384763  
diameter diameter 9.010 km 0.072 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 15.41 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Warner, B.D. (2006) Minor Planet Bull. 33, 82-84.]
geometric albedo albedo 0.599   0.111 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)

1653 Yakhontovia (1937 RA)          Discovered 1937-Aug-30 by Neujmin, G. at Simeis
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1937 RA = 1947 BO = 1950 XS = 1958 RM = A905 CB 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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