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JPL Small-Body Database Browser
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19876 (7637 P-L)
Classification: Main-belt Asteroid          SPK-ID: 2019876
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 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1747784211463131 4.1208e-08  
a 2.348402256479964 8.3907e-09 au
q 1.937952217875957 1.0018e-07 au
i 6.187269900580382 3.9436e-06 deg
node 54.61776169452842 3.7255e-05 deg
peri 172.6354348317535 3.9037e-05 deg
M 330.7569352471724 1.3927e-05 deg
tp 2459107.276958384529
(2020-Sep-14.77695838)
5.1164e-05 TDB
period 1314.489618079908
3.60
7.0449e-06
1.929e-08
d
yr
n .2738705540526495 1.4678e-09 deg/d
Q 2.758852295083971 9.8572e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1804  
   data-arc span      22309 days (61.08 yr)  
   first obs. used      1959-04-01  
   last obs. used      2020-04-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48944  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 05:06:32  

Additional Information
 Earth MOID = .928296 au 
 Jupiter MOID = 2.22519 au 
 T_jup = 3.531 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456577.5 (2013-Oct-12.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1750080789754854 4.1109e-08  
q 1.93772441650791 9.9943e-08 au
tp 2456478.138052380171
(2013-Jul-04.63805238)
4.5007e-05 TDB
node 54.65365562376937 3.7262e-05 deg
peri 172.6702708319714 3.9049e-05 deg
i 6.186833453508342 3.9428e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1804  
   data-arc span      22309 days (61.08 yr)  
   first obs. used      1959-04-01  
   last obs. used      2020-04-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48944  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 05:06:32  

Additional Information
 Jupiter MOID = 2.22519 au 
 T_jup = 3.531 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.689936249222335E-15 -4.100866930399274E-15 -8.555170162698493E-13 3.00804312790402E-15 -2.051773908233097E-13 -1.887931280866242E-15
q -4.100866930399274E-15 9.988672140189609E-15 2.105799278618192E-12 -7.120786243024164E-15 5.054393587880716E-13 4.772148655557735E-15
tp -8.555170162698493E-13 2.105799278618192E-12 2.025620989801289E-9 -3.178706945373042E-13 5.417576976917798E-10 2.953450556063639E-12
node 3.00804312790402E-15 -7.120786243024164E-15 -3.178706945373042E-13 1.388478478936875E-9 -1.380222002655636E-9 -4.662531540591285E-11
peri -2.051773908233097E-13 5.054393587880716E-13 5.417576976917798E-10 -1.380222002655636E-9 1.524834271247108E-9 4.710012257736781E-11
i -1.887931280866242E-15 4.772148655557735E-15 2.953450556063639E-12 -4.662531540591285E-11 4.710012257736781E-11 1.554555949087312E-11

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.1   n/a MPO319333  
diameter diameter 3.683 km 0.066 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.382   0.054 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

19876 (7637 P-L)          Discovered 1960-Oct-22 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20001211/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 7637 P-L = 1959 GA = 1989 TP13 = 2000 SM275 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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