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43698 (4878 P-L)
Classification: Main-belt Asteroid          SPK-ID: 2043698
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07479230178961044 5.8473e-08  
a 2.679352267761328 1.6819e-08 au
q 2.478957344350246 1.6038e-07 au
i 6.304224629597909 6.2297e-06 deg
node 164.0375547551657 4.0179e-05 deg
peri 190.0120540627678 4.8226e-05 deg
M 271.5497975822593 2.7159e-05 deg
tp 2459594.085854577190
(2022-Jan-14.58585458)
0.00012149 TDB
period 1601.928585517504
4.39
1.5083e-05
4.13e-08
d
yr
n .2247291191721271 2.116e-09 deg/d
Q 2.87974719117241 1.8077e-08 au
  Orbit Determination Parameters
   # obs. used (total)      609  
   data-arc span      21783 days (59.64 yr)  
   first obs. used      1960-09-26  
   last obs. used      2020-05-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55495  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 09:21:48  

Additional Information
 Earth MOID = 1.47194 au 
 Jupiter MOID = 2.45816 au 
 T_jup = 3.365 
[ 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 15.73   n/a E2021B10  
diameter diameter 4.611 km 0.450 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.033   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

43698 (4878 P-L)          Discovered 1960-Sep-26 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20020624/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 4878 P-L = 2002 EJ80 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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