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JPL Small-Body Database Browser
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136823 (1997 QR)
Classification: Main-belt Asteroid          SPK-ID: 2136823
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2732843513434267 5.5857e-08  
a 2.618606915348248 1.941e-08 au
q 1.902982623063891 1.5641e-07 au
i 4.389271794918604 4.1801e-06 deg
node 280.7163215696187 7.1696e-05 deg
peri 112.4749498094508 7.2759e-05 deg
M 11.25575911147266 1.2287e-05 deg
tp 2458552.107709140616
(2019-Mar-09.60770914)
5.2446e-05 TDB
period 1547.760976123012
4.24
1.7209e-05
4.712e-08
d
yr
n .2325940539615906 2.5861e-09 deg/d
Q 3.334231207632605 2.4715e-08 au
  Orbit Determination Parameters
   # obs. used (total)      480  
   data-arc span      7745 days (21.20 yr)  
   first obs. used      1997-08-26  
   last obs. used      2018-11-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50893  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 04:42:59  

Additional Information
 Earth MOID = .913974 au 
 Jupiter MOID = 2.13497 au 
 T_jup = 3.348 
[ 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 16.1   n/a MPO449766  

136823 (1997 QR)          Discovered 1997-Aug-26 by Sarounova, L. at Ondrejov
Reference: 20061205/Numbers.arcLast Updated: 2006-12-13

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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