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27636 (4778 P-L)
Classification: Main-belt Asteroid          SPK-ID: 2027636
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .121816135631912 3.3087e-08  
a 2.16534723838716 6.4464e-09 au
q 1.901573005505604 7.1822e-08 au
i 4.508800251693756 3.7432e-06 deg
node 171.7437177154091 4.7028e-05 deg
peri 87.94417961072018 5.0307e-05 deg
M 353.5634344139664 1.5971e-05 deg
tp 2459021.308532378944
(2020-Jun-20.80853238)
5.1611e-05 TDB
period 1163.830548495363
3.19
5.1972e-06
1.423e-08
d
yr
n .3093233808524957 1.3813e-09 deg/d
Q 2.429121471268717 7.2316e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1302  
   data-arc span      21816 days (59.73 yr)  
   first obs. used      1960-09-24  
   last obs. used      2020-06-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48075  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 19:34:58  

Additional Information
 Earth MOID = .892939 au 
 Jupiter MOID = 2.61934 au 
 T_jup = 3.680 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.3   n/a MPO263583  
diameter diameter 2.757 km 0.135 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.212   0.034 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

27636 (4778 P-L)          Discovered 1960-Sep-24 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20010804/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 4778 P-L = 1998 PC1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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