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73696 (1991 RQ19)
Classification: Main-belt Asteroid          SPK-ID: 2073696
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2446810141441909 7.0743e-08  
a 2.417067814415043 1.9998e-08 AU
q 1.825657210328687 1.6928e-07 AU
i 3.392843840750758 6.7738e-06 deg
node 305.8438705985811 0.0001066 deg
peri 30.9397782689927 0.00010735 deg
M 76.17242315997153 1.749e-05 deg
tp 2456710.079712837392
(2014-Feb-21.57971284)
6.3983e-05 JED
period 1372.561079735751
3.76
1.7034e-05
4.664e-08
d
yr
n .2622834096893583 3.255e-09 deg/d
Q 3.008478418501399 2.4891e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      498  
   data-arc span      8534 days (23.36 yr)  
   first obs. used      1991-09-12  
   last obs. used      2015-01-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .50428  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Apr-07 19:02:30  

Additional Information
 Earth MOID = .81769 AU 
 T_jup = 3.472 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.6 mag n/a MPO263903  

73696 (1991 RQ19)          Discovered 1991-Sep-14 by Holt, H. E. at Palomar
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1991 RQ19 = 1995 WZ29 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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