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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 ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1136411259359608 5.3929e-08  
a 2.316263474702934 9.8788e-09 au
q 2.053040685473352 1.2584e-07 au
i 5.930559063133116 5.5842e-06 deg
node 335.6967468053964 4.2398e-05 deg
peri 183.7216851404582 4.6763e-05 deg
M 291.5762808431591 2.2169e-05 deg
tp 2459245.228495764254
(2021-Jan-30.72849576)		 7.9995e-05 TDB
period 1287.598212444187
3.53		 8.2373e-06
2.255e-08		 d
yr
n .2795903229134103 1.7887e-09 deg/d
Q 2.579486263932517 1.1001e-08 au
   Orbit Determination Parameters
   # obs. used (total)      1114  
   data-arc span      11314 days (30.98 yr)  
   first obs. used      1989-01-15  
   last obs. used      2020-01-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55417  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 02:56:53  

Additional Information
 Earth MOID = 1.06193 au 
 Jupiter MOID = 2.40417 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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