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19653 (1999 RD119)
Classification: Main-belt Asteroid          SPK-ID: 2019653
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .113118082816771 3.3982e-08  
a 2.534226952791895 1.1627e-08 au
q 2.247560058469489 8.9512e-08 au
i 14.22686823375574 7.6857e-06 deg
node 294.3159816315879 1.3355e-05 deg
peri 101.1398500479402 4.4204e-05 deg
M 358.1179640114102 4.0891e-05 deg
tp 2459008.203571330706
(2020-Jun-07.70357133)
0.00016739 TDB
period 1473.556135944094
4.03
1.0141e-05
2.776e-08
d
yr
n .2443069464532827 1.6813e-09 deg/d
Q 2.820893847114303 1.2942e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1428  
   data-arc span      16644 days (45.57 yr)  
   first obs. used      1974-06-22  
   last obs. used      2020-01-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44887  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 22:53:36  

Additional Information
 Earth MOID = 1.30609 au 
 Jupiter MOID = 2.57818 au 
 T_jup = 3.398 
[ 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 13.5   n/a MPO347676  
diameter diameter 6.045 km 0.253 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 2.61 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on fragmentary lightcurve(s), may be completely wrong.
Published Reference List:
[Chang, C.-K.; Ip, W.-H.; Cheng, Y.-C.; Ngeow, C.-C.; et al. (2014) Astrophys. J. 788, A17.]
geometric albedo albedo 0.160   0.017 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

19653 (1999 RD119)          Discovered 1999-Sep-09 by LINEAR at Socorro
Reference: 20001211/Numbers.arcLast Updated: 2004-04-19

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