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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 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .243925047233079 6.8648e-08  
a 2.418998652413593 1.9978e-08 au
q 1.828944291866853 1.6437e-07 au
i 3.382928625938947 6.5771e-06 deg
node 305.7361309087333 0.00010305 deg
peri 31.43633953326549 0.00010373 deg
M 232.8676154870149 1.9034e-05 deg
tp 2458085.794711362457
(2017-Nov-28.29471136)
7.7641e-05 JED
period 1374.206082578748
3.76
1.7024e-05
4.661e-08
d
yr
n .2619694415297935 3.2454e-09 deg/d
Q 3.009053012960333 2.4852e-08 au
  Orbit Determination Parameters
   # obs. used (total)      529  
   data-arc span      8970 days (24.56 yr)  
   first obs. used      1991-09-12  
   last obs. used      2016-04-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .51925  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Apr-25 15:13:24  

Additional Information
 Earth MOID = .819777 au 
 Jupiter MOID = 2.37484 au 
 T_jup = 3.471 
[ 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  
rotation period rot_per 2.4917 h n/a LCDB (Rev. 2016-February); Warner et al., 2009 Result based on fragmentary lightcurve(s), may be completely wrong.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2016) Astron. J. 150, A75.]

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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