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20199 (1997 DR)
Classification: Main-belt Asteroid          SPK-ID: 2020199
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 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02195599474315945 3.9609e-08  
a 2.800156596322515 1.4261e-08 au
q 2.738676372813635 1.093e-07 au
i 2.760551092488286 4.9212e-06 deg
node 31.17113534918017 9.0071e-05 deg
peri 274.3886477161677 0.00015315 deg
M 233.3167661349249 0.00012582 deg
tp 2459802.766277579847
(2022-Aug-11.26627758)
0.00059847 TDB
period 1711.480306538957
4.69
1.3074e-05
3.579e-08
d
yr
n .2103442257702693 1.6069e-09 deg/d
Q 2.861636819831395 1.4574e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1476  
   data-arc span      16215 days (44.39 yr)  
   first obs. used      1976-10-22  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53488  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 03:14:58  

Additional Information
 Earth MOID = 1.72326 au 
 Jupiter MOID = 2.17177 au 
 T_jup = 3.323 
[ 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 14.12   n/a E2021B10  
diameter diameter 5.177 km 0.257 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.104   0.021 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

20199 (1997 DR)          Discovered 1997-Feb-28 by Laurie, S. P. at Church Stretton
Reference: 20010109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1997 DR = 1976 UZ11 = 1998 KE36 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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