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16961 (1998 QV73)
Classification: Main-belt Asteroid          SPK-ID: 2016961
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1814339932985802 2.483e-08  
a 2.649234490227269 8.9344e-09 au
q 2.168573297481007 6.8561e-08 au
i 14.26875018883558 1.0027e-06 deg
node 260.3051180754156 6.355e-06 deg
peri 214.5154243762175 8.5239e-06 deg
M 354.3810953803257 6.8143e-06 deg
tp 2459421.082621075925
(2021-Jul-25.58262108)
2.9848e-05 TDB
period 1574.994449335563
4.31
7.9674e-06
2.181e-08
d
yr
n .2285722341128706 1.1563e-09 deg/d
Q 3.129895682973531 1.0555e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2077  
   data-arc span      25368 days (69.45 yr)  
   first obs. used      1951-11-05  
   last obs. used      2021-04-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .41646  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 17:45:15  

Additional Information
 Earth MOID = 1.19976 au 
 Jupiter MOID = 2.09762 au 
 T_jup = 3.324 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.65   n/a E2021B10  
diameter diameter 5.766 km 0.407 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.211   0.049 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

16961 (1998 QV73)          Discovered 1998-Aug-24 by LINEAR at Socorro
Reference: 20000913/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 QV73 = 1990 WA4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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