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JPL Small-Body Database Browser
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37311 (2001 PH28)
Classification: Main-belt Asteroid          SPK-ID: 2037311
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1181261850209214 3.9956e-08  
a 3.041346095322229 1.604e-08 au
q 2.682083483753539 1.2383e-07 au
i .8240434109158615 5.5779e-06 deg
node 162.342540652287 0.00025753 deg
peri 318.2369097481355 0.00025855 deg
M 40.54959943725643 2.1446e-05 deg
tp 2458782.286677970002
(2019-Oct-25.78667797)
0.00011543 TDB
period 1937.301404230943
5.30
1.5325e-05
4.196e-08
d
yr
n .1858254989201902 1.47e-09 deg/d
Q 3.40060870689092 1.7934e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1120  
   data-arc span      10350 days (28.34 yr)  
   first obs. used      1991-10-04  
   last obs. used      2020-02-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53809  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 04:29:04  

Additional Information
 Earth MOID = 1.69808 au 
 Jupiter MOID = 1.67171 au 
 T_jup = 3.229 
[ 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 14.3   n/a MPO468201  
diameter diameter 7.156 km 0.160 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.050   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

37311 (2001 PH28)          Discovered 2001-Aug-14 by JPL/NEAT at Haleakala
Reference: 20020227/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2001 PH28 = 1999 FA52 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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