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JPL Small-Body Database Browser
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360000 (2012 XX21)
Classification: Main-belt Asteroid          SPK-ID: 2360000
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 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1722260872874186 8.5997e-08  
a 3.164207944295154 4.2061e-08 au
q 2.619248790685433 2.7721e-07 au
i 2.203925319453329 7.2592e-06 deg
node 71.61103826004931 0.00023728 deg
peri 38.30570204235386 0.00023959 deg
M 16.72545126752942 2.8983e-05 deg
tp 2458504.985062638097
(2019-Jan-21.48506264)
0.00016527 TDB
period 2055.871432123347
5.63
4.0992e-05
1.122e-07
d
yr
n .1751082263097476 3.4915e-09 deg/d
Q 3.709167097904874 4.9305e-08 au
  Orbit Determination Parameters
   # obs. used (total)      126  
   data-arc span      8421 days (23.06 yr)  
   first obs. used      1995-12-19  
   last obs. used      2019-01-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .66601  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 14:55:48  

Additional Information
 Earth MOID = 1.63664 au 
 Jupiter MOID = 1.42149 au 
 T_jup = 3.180 
[ 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 16.5   n/a MPO255634  

360000 (2012 XX21)          Discovered 2001-Dec-18 by LINEAR at Socorro
Reference: 20130327/Numbers.arcLast Updated: 2013-03-29

[ show close-approach data ]
Alternate Designations
 2012 XX21 = 2001 YT52 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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