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16841 (1997 WY49)
Classification: Main-belt Asteroid          SPK-ID: 2016841
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1019365351089214 4.2471e-08  
a 2.450967824513715 8.5216e-09 au
q 2.201124656819336 1.0252e-07 au
i 2.865837722630219 3.274e-06 deg
node 315.7611078623986 8.4616e-05 deg
peri 88.96908539444441 8.8033e-05 deg
M 18.08227053739132 2.0691e-05 deg
tp 2459130.102813284385
(2020-Oct-07.60281328)
8.0703e-05 TDB
period 1401.537885699476
3.84
7.3093e-06
2.001e-08
d
yr
n .2568606982895307 1.3396e-09 deg/d
Q 2.700810992208094 9.3902e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1686  
   data-arc span      10941 days (29.95 yr)  
   first obs. used      1991-03-06  
   last obs. used      2021-02-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50222  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 01:44:02  

Additional Information
 Earth MOID = 1.21141 au 
 Jupiter MOID = 2.62564 au 
 T_jup = 3.487 
[ 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 14.57   n/a E2021B10  
diameter diameter 2.695 km 0.628 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.423   0.177 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

16841 (1997 WY49)          Discovered 1997-Nov-26 by LINEAR at Socorro
Reference: 20000913/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1997 WY49 = 1991 ES6 = 1999 FN24 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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