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19972 (1988 RD6)
Classification: Main-belt Asteroid          SPK-ID: 2019972
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1948749680524986 4.1679e-08  
a 2.426063655899473 1.2538e-08 au
q 1.953284578462736 9.7251e-08 au
i 2.079178599478727 4.4589e-06 deg
node 49.38768602901008 0.00010699 deg
peri 313.3565981345199 0.00010768 deg
M 124.322784042287 1.6302e-05 deg
tp 2458523.849622969083
(2019-Feb-09.34962297)
6.0007e-05 TDB
period 1380.230800436099
3.78
1.07e-05
2.93e-08
d
yr
n .2608259429410313 2.022e-09 deg/d
Q 2.898842733336211 1.4982e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1164  
   data-arc span      11473 days (31.41 yr)  
   first obs. used      1988-09-05  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53401  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 22:58:53  

Additional Information
 Earth MOID = .951538 au 
 Jupiter MOID = 2.55675 au 
 T_jup = 3.483 
[ 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 14.9   n/a MPO449097  
diameter diameter 2.764 km 0.415 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.581   0.215 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

19972 (1988 RD6)          Discovered 1988-Sep-05 by Debehogne, H. at La Silla
Reference: 20010109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1988 RD6 = 1992 SZ12 = 1994 CC10 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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