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3167 Babcock (1955 RS)
Classification: Main-belt Asteroid          SPK-ID: 2003167
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 40 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .106853277107516 1.8886e-08  
a 2.540972782885188 1.1264e-08 au
q 2.269461513992901 4.6382e-08 au
i 15.55703490053931 1.0373e-06 deg
node 17.59723307343238 2.8483e-06 deg
peri 257.3617945749248 1.0629e-05 deg
M 119.4000252622061 9.7072e-06 deg
tp 2458709.817731282850
(2019-Aug-14.31773128)
3.8913e-05 TDB
period 1479.443713267688
4.05
9.8375e-06
2.693e-08
d
yr
n .2433347053162692 1.618e-09 deg/d
Q 2.812484051777475 1.2468e-08 au
  Orbit Determination Parameters
   # obs. used (total)      3444  
   data-arc span      28281 days (77.43 yr)  
   first obs. used      1943-10-05  
   last obs. used      2021-03-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .31027  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 14:46:31  

Additional Information
 Earth MOID = 1.31141 au 
 Jupiter MOID = 2.34339 au 
 T_jup = 3.386 
[ 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 11.29   n/a E2021B10  
diameter diameter 13.134 km 0.147 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 15.450 h n/a LCDB (Rev. 2020-October); 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:
[Gross, J. (2003) Minor Planet Bull. 30, 44-46.]
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]
geometric albedo albedo 0.282   0.051 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  

3167 Babcock (1955 RS)          Discovered 1955-Sep-13 by Goethe Link Observatory at Brooklyn
Discovered by the Indiana Asteroid Program, Goethe Link Observatory, University of Indiana. This program was conceived and directed by F. K. Edmondson; the plates were blinked and measured astrometrically by B. Potter and, following her retirement, by D. Owings; and the photometry was performed under the direction of T. Gehrels. During the years 1947-1967, in which the plates were exposed, a large number of people participated in various aspects of the program.
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1955 RS = 1943 TH = 1955 SC2 = 1966 FF = 1971 QL1 = 1971 SB4 = 1974 FS = 1974 HB1 = 1979 SX1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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