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3527 McCord (1985 GE1)
Classification: Main-belt Asteroid          SPK-ID: 2003527
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 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .121792398448076 3.4158e-08  
a 2.292388553588684 6.4894e-09 au
q 2.013193053472202 7.8265e-08 au
i 5.512115418899086 3.698e-06 deg
node 219.1589469561582 3.8795e-05 deg
peri 355.2813062279761 4.1635e-05 deg
M 99.05992686181222 1.5517e-05 deg
tp 2458851.660001467184
(2020-Jan-03.16000147)
5.4498e-05 TDB
period 1267.741693843569
3.47
5.3832e-06
1.474e-08
d
yr
n .2839695197753919 1.2058e-09 deg/d
Q 2.571584053705166 7.2798e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2834  
   data-arc span      26855 days (73.52 yr)  
   first obs. used      1947-06-14  
   last obs. used      2020-12-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .43788  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 15:13:41  

Additional Information
 Earth MOID = 1.0055 au 
 Jupiter MOID = 2.39636 au 
 T_jup = 3.581 
[ 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 12.79   n/a E2021B10  
diameter diameter 7.163 km 0.210 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 321. 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:
[Pravec, P.; Wolf, M.; Sarounova, L. (2009) http://www.asu.cas.cz/~ppravec/neo.htm]
geometric albedo albedo 0.208   0.024 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
SMASSII spectral type spec_B S   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)

3527 McCord (1985 GE1)          Discovered 1985-Apr-15 by Bowell, E. at Flagstaff (AM)
Discovered at the Anderson Mesa station, which is operated by the Lowell Observatory.
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1985 GE1 = 1947 LK = 1978 JS2 = 1979 SA2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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