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JPL Small-Body Database Browser
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27838 (1994 PU20)
Classification: Main-belt Asteroid          SPK-ID: 2027838
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1138020528726153 5.4006e-08  
a 2.315707466346641 9.8903e-09 au
q 2.052175202823951 1.2598e-07 au
i 5.931021451245625 5.5961e-06 deg
node 335.70384501228 4.2398e-05 deg
peri 183.8329523503856 4.6743e-05 deg
M 179.5978538222702 2.182e-05 deg
tp 2457958.370514334629
(2017-Jul-23.87051433)		 7.6403e-05 TDB
period 1287.134617256039
3.52		 8.246e-06
2.258e-08		 d
yr
n .2796910246788804 1.7918e-09 deg/d
Q 2.579239729869331 1.1016e-08 au
   Orbit Determination Parameters
   # obs. used (total)      1110  
   data-arc span      11271 days (30.86 yr)  
   first obs. used      1989-01-15  
   last obs. used      2019-11-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55361  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 01:42:13  

Additional Information
 Earth MOID = 1.06153 au 
 Jupiter MOID = 2.40581 au 
 T_jup = 3.565 
[ 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 14.9   n/a MPO347730  
diameter diameter 2.475 km 0.120 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.380   0.088 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

27838 (1994 PU20)          Discovered 1994-Aug-12 by Elst, E. W. at La Silla
Reference: 20010902/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1994 PU20 = 1989 AK10 = 2000 EX96 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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