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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1134145793442735 2.0068e-08  
a 2.535009931055591 9.7838e-09 au
q 2.247502846091366 5.0845e-08 au
i 14.2260128311696 1.0136e-06 deg
node 294.3162127311433 2.0227e-06 deg
peri 101.1987669964536 9.9111e-06 deg
M 94.76388459881807 9.2751e-06 deg
tp 2459008.431601051627
(2020-Jun-07.93160105)
3.7781e-05 TDB
period 1474.239096601542
4.04
8.5347e-06
2.337e-08
d
yr
n .2441937680460939 1.4137e-09 deg/d
Q 2.822517016019817 1.0893e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1867  
   data-arc span      17143 days (46.93 yr)  
   first obs. used      1974-06-22  
   last obs. used      2021-05-29  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .41771  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 04:51:09  

Additional Information
 Earth MOID = 1.30548 au 
 Jupiter MOID = 2.57759 au 
 T_jup = 3.397 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457330.5 (2015-Nov-04.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1142334204712478 2.0082e-08  
q 2.245280025297006 5.0843e-08 au
tp 2457530.664079567372
(2016-May-22.16407957)
3.7671e-05 TDB
node 294.4364095624653 2.024e-06 deg
peri 100.246341286773 9.8119e-06 deg
i 14.21292099323692 1.0131e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1867  
   data-arc span      17143 days (46.93 yr)  
   first obs. used      1974-06-22  
   last obs. used      2021-05-29  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .41771  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 04:51:09  

Additional Information
 Jupiter MOID = 2.57759 au 
 T_jup = 3.397 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.032830300171739E-16 -1.006315512835864E-15 -8.878157970474147E-14 -9.622668499033659E-16 1.9472215978901E-14 -2.894445878057712E-15
q -1.006315512835864E-15 2.585023336664139E-15 1.758923373234386E-13 2.240616950368837E-15 -6.355940357258534E-14 7.083398210476822E-15
tp -8.878157970474147E-14 1.758923373234386E-13 1.419117042292663E-9 -1.730042147899858E-12 3.52087057740912E-10 1.012716894991933E-11
node -9.622668499033659E-16 2.240616950368837E-15 -1.730042147899858E-12 4.096772234164508E-12 -4.475545903276032E-12 1.118977808724718E-12
peri 1.9472215978901E-14 -6.355940357258534E-14 3.52087057740912E-10 -4.475545903276032E-12 9.627404816646372E-11 1.059629651772225E-12
i -2.894445878057712E-15 7.083398210476822E-15 1.012716894991933E-11 1.118977808724718E-12 1.059629651772225E-12 1.026334235870952E-12

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.57   n/a MPCxxxxx  
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. 2020-October); 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
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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