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160916 (2001 XB44)
Classification: Main-belt Asteroid          SPK-ID: 2160916
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06273589518516492 6.2353e-08  
a 2.924306443668265 3.9035e-08 au
q 2.740847461128991 1.8822e-07 au
i 10.53508155804833 9.5113e-06 deg
node 330.3269405702948 4.5303e-05 deg
peri 309.870782352988 0.00010536 deg
M 62.67509239186244 9.8893e-05 deg
tp 2458682.501383317951
(2019-Jul-18.00138332)
0.00050066 TDB
period 1826.554978009118
5.00
3.6572e-05
1.001e-07
d
yr
n .1970923428718185 3.9463e-09 deg/d
Q 3.10776542620754 4.1484e-08 au
  Orbit Determination Parameters
   # obs. used (total)      384  
   data-arc span      7326 days (20.06 yr)  
   first obs. used      1998-03-25  
   last obs. used      2018-04-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .66071  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 13:27:42  

Additional Information
 Earth MOID = 1.73823 au 
 Jupiter MOID = 2.10452 au 
 T_jup = 3.251 
[ 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 15.1   n/a MPO396309  

160916 (2001 XB44)          Discovered 2001-Dec-09 by LINEAR at Socorro
Reference: 20070828/Numbers.arcLast Updated: 2007-08-30

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2183-Apr-25 14:36 00:04 Hygie 0.0200108964272811 0.0199895605755055 0.0200324462532286 2.76985968136635 2.7698589842935 2518499.108249052 3.99331590042471 3434.02260696572 98.0189722327153 -72.0052951835875 28939.2571810474 T 12 CATAB v2.0f-lin.ifort 2020-Feb-24 13:27:58 2020-Feb-24 13:28

Alternate Designations
 2001 XB44 = 2003 ET45 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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