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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1950596321076077 4.1584e-08  
a 2.425729589228871 1.2508e-08 au
q 1.952567667961349 9.6985e-08 au
i 2.079280757350054 4.4176e-06 deg
node 49.38100845436558 0.00010683 deg
peri 313.3602587947146 0.00010752 deg
M 176.4873378519661 1.655e-05 deg
tp 2458523.991812555024
(2019-Feb-09.49181256)
5.9869e-05 TDB
period 1379.945725536809
3.78
1.0673e-05
2.922e-08
d
yr
n .2608798254438284 2.0178e-09 deg/d
Q 2.898891510496393 1.4948e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1198  
   data-arc span      11879 days (32.52 yr)  
   first obs. used      1988-09-05  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53075  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 03:10:27  

Additional Information
 Earth MOID = .949219 au 
 Jupiter MOID = 2.55763 au 
 T_jup = 3.484 
[ 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 14.98   n/a E2021B10  
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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