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3352 McAuliffe (1981 CW)
Classification: Amor [NEO]          SPK-ID: 2003352
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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 307 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3691144419171331 2.1269e-08  
a 1.879156166535857 2.7852e-09 au
q 1.185532486849835 3.9947e-08 au
i 4.773341769009967 2.8669e-06 deg
node 107.3623665488673 4.3506e-05 deg
peri 15.91537215517759 4.3862e-05 deg
M 95.83154267089655 6.1462e-06 deg
tp 2458750.034037123976
(2019-Sep-23.53403712)
1.5765e-05 TDB
period 940.8984153059238
2.58
2.0919e-06
5.727e-09
d
yr
n .3826130367994611 8.5064e-10 deg/d
Q 2.572779846221879 3.8133e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1647  
   data-arc span      14410 days (39.45 yr)  
   first obs. used      1981-02-06  
   last obs. used      2020-07-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44478  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jul-22 06:34:43  

Additional Information
 Earth MOID = .202741 au 
 Jupiter MOID = 2.51724 au 
 T_jup = 3.882 
[ 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 15.8   n/a PDS3 (MPC 28110)  
rotation period rot_per 2.2060 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Howell, A.J. (2012) Minor Planet Bull. 39, 157.]
[Warner, B.D. (2012) Minor Planet Bull. 39, 158-167.]
[Warner, B.D. (2017) Minor Planet Bull. 44, 22-36.]
[Warner, B.D. (2017) Minor Planet Bull. 44, 98-107.]
[Monteiro, F.; Arcoverde, P.; Medeiros, H.; Rondon, E.; et al. (2018) Minor Planet Bull. 45, 221-224.]
SMASSII spectral type spec_B A   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)

3352 McAuliffe (1981 CW)          Discovered 1981-Feb-06 by Thomas, N. G. at Flagstaff (AM)
Discovered at the Anderson Mesa station, which is operated by the Lowell Observatory.
Reference: DISCOVERY.DBLast Updated: 2003-08-29

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