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3985 Raybatson (1985 CX)
Classification: Main-belt Asteroid          SPK-ID: 2003985
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 .09812602778476044 2.3954e-08  
a 2.85151693656068 1.2216e-08 au
q 2.571708906415012 6.5996e-08 au
i 16.28702543487121 4.5642e-07 deg
node 83.96356461883704 2.9512e-06 deg
peri 152.0834432244232 1.266e-05 deg
M 83.06268192786544 1.0719e-05 deg
tp 2458794.696481046232
(2019-Nov-07.19648105)
5.1978e-05 TDB
period 1758.783408296706
4.82
1.1302e-05
3.094e-08
d
yr
n .2046869434301987 1.3154e-09 deg/d
Q 3.131324966706348 1.3415e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2507  
   data-arc span      25030 days (68.53 yr)  
   first obs. used      1952-06-12  
   last obs. used      2020-12-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .37798  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 15:48:21  

Additional Information
 Earth MOID = 1.56639 au 
 Jupiter MOID = 1.93927 au 
 T_jup = 3.239 
[ 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 11.52   n/a E2021B10  
diameter diameter 19.631 km 0.186 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 4.298 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:
[Behrend, R. (2005) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
geometric albedo albedo 0.106   0.018 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
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)

3985 Raybatson (1985 CX)          Discovered 1985-Feb-12 by Shoemaker, C. at Palomar
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1985 CX = 1952 KQ = 1952 LF = 1970 AF = 1978 WJ 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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