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JPL Small-Body Database Browser
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172046 (2001 XA51)
Classification: Main-belt Asteroid          SPK-ID: 2172046
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .233907923258379 5.6402e-08  
a 3.129819070676389 3.2402e-08 au
q 2.397729591680005 1.8562e-07 au
i 15.43231925500289 5.8587e-06 deg
node 272.9118697712505 2.2339e-05 deg
peri 61.68747091506822 2.4878e-05 deg
M 170.0910449339588 1.2354e-05 deg
tp 2458044.943823535206
(2017-Oct-18.44382353)
6.3716e-05 TDB
period 2022.447587766252
5.54
3.1407e-05
8.599e-08
d
yr
n .1780021406624495 2.7642e-09 deg/d
Q 3.861908549672773 3.9982e-08 au
  Orbit Determination Parameters
   # obs. used (total)      580  
   data-arc span      8044 days (22.02 yr)  
   first obs. used      1997-12-29  
   last obs. used      2020-01-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54655  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 21:44:32  

Additional Information
 Earth MOID = 1.4305 au 
 Jupiter MOID = 1.69686 au 
 T_jup = 3.116 
[ 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 14.3   n/a MPO469842  

172046 (2001 XA51)          Discovered 2001-Dec-10 by LINEAR at Socorro
Reference: 20071224/Numbers.arcLast Updated: 2007-12-22

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