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19632 (1999 RP39)
Classification: Main-belt Asteroid          SPK-ID: 2019632
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2036782516129175 4.77e-08  
a 3.171552351277297 1.9384e-08 au
q 2.525576113470299 1.5359e-07 au
i 8.102543634014813 5.3831e-06 deg
node 31.93548577919368 2.9661e-05 deg
peri 327.2840532166875 3.1597e-05 deg
M 273.6959748587882 1.3461e-05 deg
tp 2459695.078011505269
(2022-Apr-25.57801151)
7.9887e-05 TDB
period 2063.033373594945
5.65
1.8914e-05
5.178e-08
d
yr
n .1745003278219784 1.5998e-09 deg/d
Q 3.817528589084294 2.3332e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1258  
   data-arc span      13769 days (37.70 yr)  
   first obs. used      1982-10-15  
   last obs. used      2020-06-26  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52804  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 03:00:01  

Additional Information
 Earth MOID = 1.52573 au 
 Jupiter MOID = 1.657 au 
 T_jup = 3.154 
[ 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 13.65   n/a E2021B10  
diameter diameter 5.571 km 0.168 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.157   0.020 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

19632 (1999 RP39)          Discovered 1999-Sep-13 by Stafford, T. at Zeno
Reference: 20001211/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 RP39 = 1988 VM8 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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