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JPL Small-Body Database Browser
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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1216020106165477 3.7957e-08  
a 2.165294454733981 8.4778e-09 au
q 1.901990295461468 8.0094e-08 au
i 4.508581837012826 4.8941e-06 deg
node 171.7497570450949 4.9909e-05 deg
peri 87.88052804387505 5.4234e-05 deg
M 229.8645292763089 2.2171e-05 deg
tp 2459021.194717667723
(2020-Jun-20.69471767)
7.2466e-05 TDB
period 1163.787993528262
3.19
6.8349e-06
1.871e-08
d
yr
n .3093346915434194 1.8167e-09 deg/d
Q 2.428598614006495 9.5088e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1113  
   data-arc span      21348 days (58.45 yr)  
   first obs. used      1960-09-24  
   last obs. used      2019-03-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50916  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 01:04:40  

Additional Information
 Earth MOID = .893018 au 
 Jupiter MOID = 2.61976 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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