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16844 (1997 XY3)
Classification: Main-belt Asteroid          SPK-ID: 2016844
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03030599216641647 2.9332e-08  
a 2.796630918556309 1.0688e-08 au
q 2.711876243846183 8.3746e-08 au
i 5.207643498007133 3.6446e-06 deg
node 136.3621320975036 3.6926e-05 deg
peri 323.2862167146 8.4121e-05 deg
M 34.46394560070546 7.3419e-05 deg
tp 2459036.963893287309
(2020-Jul-06.46389329)
0.00034851 TDB
period 1708.248936400465
4.68
9.7923e-06
2.681e-08
d
yr
n .2107421186273786 1.208e-09 deg/d
Q 2.881385593266434 1.1011e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2318  
   data-arc span      23716 days (64.93 yr)  
   first obs. used      1956-04-09  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50566  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 01:44:06  

Additional Information
 Earth MOID = 1.73063 au 
 Jupiter MOID = 2.15128 au 
 T_jup = 3.320 
[ 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 13.73   n/a E2021B10  
diameter diameter 10.745 km 2.161 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.061   0.034 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

16844 (1997 XY3)          Discovered 1997-Dec-04 by ODAS at Caussols
Reference: 20000913/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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