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1978 Patrice (1971 LD)
Classification: Main-belt Asteroid          SPK-ID: 2001978
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 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .214219470395116 3.0229e-08  
a 2.19459818114728 4.7798e-09 au
q 1.724472521051825 6.7022e-08 au
i 4.342962266477874 2.89e-06 deg
node 54.27982312078537 4.3673e-05 deg
peri 268.7212468103851 4.4213e-05 deg
M 335.0060607836942 6.7118e-06 deg
tp 2459082.944778928133
(2020-Aug-21.44477893)
2.2091e-05 TDB
period 1187.492702021329
3.25
3.8795e-06
1.062e-08
d
yr
n .3031597578555341 9.9041e-10 deg/d
Q 2.664723841242735 5.8037e-09 au
  Orbit Determination Parameters
   # obs. used (total)      3018  
   data-arc span      24832 days (67.99 yr)  
   first obs. used      1952-11-16  
   last obs. used      2020-11-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44449  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 02:03:47  

Additional Information
 Earth MOID = .719082 au 
 Jupiter MOID = 2.6679 au 
 T_jup = 3.636 
[ 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 12.9   n/a MPO265967  
diameter diameter 6.732 km 0.166 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 5.8813 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:
[Durech, J.; Hanus, J.; Oszkiewsicz, D.; Vanco, R. (2016) Astron. Astrophys. 587, A48.]
[Pravec, P.; Wolf, M.; Sarounova, L. (2017) http://www.asu.cas.cz/~ppravec/neo.htm]
geometric albedo albedo 0.270   0.041 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

1978 Patrice           Discovered 1971 June 13 at the Perth Observatory.
Named in honor of the daughter of Dennis Harwood, member of the astrometric team at the Perth Observatory.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: MPC 6530Last Updated: 2006-03-21

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Alternate Designations
 1971 LD = 1942 PL = 1952 WC = 1955 RJ1 = 1965 VC = 1968 OY = 1975 VQ8 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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