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JPL Small-Body Database Browser
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452313 (1998 XR16)
Classification: Apollo [NEO]          SPK-ID: 2452313
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5781202506693328 9.3819e-08  
a 2.276612966090444 1.7709e-08 au
q .9604569074571832 2.1106e-07 au
i 20.53685784768568 1.1962e-05 deg
node 91.82235059066421 1.577e-05 deg
peri 68.18053634175568 3.7874e-05 deg
M 317.6692052945241 3.1488e-05 deg
tp 2458748.031974697489
(2019-Sep-21.53197470)
0.00011145 TDB
period 1254.677859478634
3.44
1.4639e-05
4.008e-08
d
yr
n .2869262394967212 3.3478e-09 deg/d
Q 3.592769024723705 2.7946e-08 au
  Orbit Determination Parameters
   # obs. used (total)      201  
   data-arc span      6377 days (17.46 yr)  
   first obs. used      1998-12-15  
   last obs. used      2016-05-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57287  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-06 09:20:07  

Additional Information
 Earth MOID = .166839 au 
 Jupiter MOID = 1.91178 au 
 T_jup = 3.296 
[ 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 18.5   n/a MPO368961  
diameter diameter 1.514 km 0.569 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)  
geometric albedo albedo 0.031   0.092 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)  

452313 (1998 XR16)          Discovered 1998-Dec-15 by LINEAR at Socorro
Reference: Last Updated: 2016-01-04

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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