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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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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 293 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3692075665514342 2.1864e-08  
a 1.878861752546448 2.8582e-09 au
q 1.185171777002211 4.1163e-08 au
i 4.773272999652146 2.9059e-06 deg
node 107.3638368688206 4.799e-05 deg
peri 15.89567244026059 4.8419e-05 deg
M 302.7742765928326 6.2861e-06 deg
tp 2458750.030386576046
(2019-Sep-23.53038658)
1.6568e-05 TDB
period 940.6773031834563
2.58
2.1465e-06
5.877e-09
d
yr
n .3827029724026314 8.7329e-10 deg/d
Q 2.572551728090685 3.9135e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1586  
   data-arc span      14144 days (38.72 yr)  
   first obs. used      1981-02-06  
   last obs. used      2019-10-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44756  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Oct-30 08:04:56  

Additional Information
 Earth MOID = .202715 au 
 Jupiter MOID = 2.51883 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-January); 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

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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