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19615 (1999 OB3)
Classification: Main-belt Asteroid          SPK-ID: 2019615
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 43 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09245891439351563 1.8401e-08  
a 2.98776393088001 1.3415e-08 au
q 2.711518521366741 5.6311e-08 au
i 12.2793921851169 7.2429e-07 deg
node 256.1290295115484 1.2125e-06 deg
peri 90.65902313170986 1.2051e-05 deg
M 70.75068929673968 1.1245e-05 deg
tp 2458829.779995654345
(2019-Dec-12.27999565)
5.8163e-05 TDB
period 1886.330760746182
5.16
1.2704e-05
3.478e-08
d
yr
n .1908466995775405 1.2853e-09 deg/d
Q 3.264009340393279 1.4655e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2549  
   data-arc span      11464 days (31.39 yr)  
   first obs. used      1989-10-28  
   last obs. used      2021-03-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .38578  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 02:56:42  

Additional Information
 Earth MOID = 1.73886 au 
 Jupiter MOID = 2.1153 au 
 T_jup = 3.216 
[ 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 12.35   n/a MPCxxxxx  
diameter diameter 21.986 km 0.925 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 48. h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on fragmentary lightcurve(s), may be completely wrong.
Published Reference List:
[Behrend, R. (2019) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
geometric albedo albedo 0.058   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

19615 (1999 OB3)          Discovered 1999-Jul-22 by LINEAR at Socorro
Reference: 20001211/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 OB3 = 1989 WT4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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