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JPL Small-Body Database Browser
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27130 Dipaola (1998 XA3)
Classification: Main-belt Asteroid          SPK-ID: 2027130
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 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2010741039854577 5.3867e-08  
a 2.53232097912419 1.0124e-08 au
q 2.023136807243216 1.384e-07 au
i 4.211467026345353 3.3243e-06 deg
node 123.0366325315047 6.1588e-05 deg
peri 249.1014980581633 6.2464e-05 deg
M 165.9823161736069 1.0958e-05 deg
tp 2458321.865590899017
(2018-Jul-22.36559090)
4.4889e-05 TDB
period 1471.894072262632
4.03
8.8272e-06
2.417e-08
d
yr
n .2445828180057815 1.4668e-09 deg/d
Q 3.041505151005163 1.216e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1958  
   data-arc span      13112 days (35.90 yr)  
   first obs. used      1984-03-11  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46842  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 00:57:31  

Additional Information
 Earth MOID = 1.02777 au 
 Jupiter MOID = 2.42858 au 
 T_jup = 3.418 
[ 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 14.0   n/a MPO333067  
diameter diameter 4.805 km 0.168 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.211   0.027 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

27130 Dipaola           Discovered 1998 Dec. 8 by A. Boattini and M. Tombelli at San Marcello Pistoiese.
Andrea Di Paola (b. 1970), a staff member at the Rome Astronomical Observatory, has the scientific and technical responsibility for the Campo Imperatore Observatory. He has been involved with instrumentation and software at the CINEOS project for NEO discovery at Campo Imperatore since 1996.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20030806/MPCPages.arcLast Updated: 2003-10-02

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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