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30638 (6237 P-L)
Classification: Main-belt Asteroid          SPK-ID: 2030638
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02428583841719511 3.846e-08  
a 2.757704529195375 1.414e-08 au
q 2.690731362596969 1.082e-07 au
i 4.983330022379191 5.2949e-06 deg
node 212.4531231286539 4.1684e-05 deg
peri 277.2985976023723 0.00011583 deg
M 286.4194542378681 0.00010918 deg
tp 2459542.385379949631
(2021-Nov-23.88537995)
0.00050779 TDB
period 1672.707581970799
4.58
1.2865e-05
3.522e-08
d
yr
n .2152199247975219 1.6553e-09 deg/d
Q 2.824677695793781 1.4483e-08 au
  Orbit Determination Parameters
   # obs. used (total)      830  
   data-arc span      22028 days (60.31 yr)  
   first obs. used      1960-09-24  
   last obs. used      2021-01-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50433  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 06:38:47  

Additional Information
 Earth MOID = 1.71023 au 
 Jupiter MOID = 2.17346 au 
 T_jup = 3.337 
[ 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 15.30   n/a MPCxxxxx  
diameter diameter 4.862 km 0.217 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.068   0.014 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

30638 (6237 P-L)          Discovered 1960-Sep-24 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20011002/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 6237 P-L = 1997 UM6 = 2000 KB6 = 2011 VH24 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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