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1951 Lick (1949 OA)
Classification: Mars-crossing Asteroid          SPK-ID: 2001951
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06156132366809877 4.6211e-08  
a 1.390389066467418 2.2318e-09 au
q 1.304794875122032 6.4186e-08 au
i 39.09420193094321 7.6849e-06 deg
node 130.7410784995043 5.8184e-06 deg
peri 140.4736097472623 4.4222e-05 deg
M 102.5046732125784 4.5682e-05 deg
tp 2458829.992256295697
(2019-Dec-12.49225630)
7.5811e-05 TDB
period 598.8291636836012
1.64
1.4418e-06
3.947e-09
d
yr
n .6011731255463878 1.4474e-09 deg/d
Q 1.475983257812804 2.3691e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1952  
   data-arc span      26025 days (71.25 yr)  
   first obs. used      1949-07-30  
   last obs. used      2020-10-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .40333  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 04:13:57  

Additional Information
 Earth MOID = .307184 au 
 Jupiter MOID = 3.71215 au 
 T_jup = 4.543 
[ 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 14.2   n/a MPO365268  
diameter diameter 5.57 km 0.5 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 3
rotation period rot_per 5.3016 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Pravec, P.; Wolf, M.; Sarounova, L. (1997) http://www.asu.cas.cz/~ppravec/neo.htm]
[Pravec, P.; Wolf, M.; Sarounova, L. (1998) http://www.asu.cas.cz/~ppravec/neo.htm]
[Warner, B.D. (2009) Minor Planet Bull. 36, 7-13.]
[Lucas, M.P.; Ryan, J.; Fauerbach, M.; Grasso, S. (2011) Minor Planet Bull. 38, 218-220.]
geometric albedo albedo 0.0895   0.020 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 3
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)

1951 Lick (1949 OA)          Discovered 1949-Jul-26 by Wirtanen, C. A. at Mount Hamilton
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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