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249123 (2007 XM30)
Classification: Outer Main-belt Asteroid          SPK-ID: 2249123
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0538112820363208 8.9057e-08  
a 3.234384833646077 5.4605e-08 au
q 3.06033843914875 3.092e-07 au
i 22.09402849761897 1.1289e-05 deg
node 81.28638266515291 2.1375e-05 deg
peri 308.1410155125618 9.3008e-05 deg
M 24.18187314934119 9.0914e-05 deg
tp 2458457.783757594628
(2018-Dec-05.28375759)
0.00053621 TDB
period 2124.642989756709
5.82
5.3805e-05
1.473e-07
d
yr
n .1694402314815363 4.2909e-09 deg/d
Q 3.408431228143405 5.7543e-08 au
  Orbit Determination Parameters
   # obs. used (total)      190  
   data-arc span      6585 days (18.03 yr)  
   first obs. used      2001-10-29  
   last obs. used      2019-11-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59863  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 18:46:47  

Additional Information
 Earth MOID = 2.10771 au 
 Jupiter MOID = 1.95037 au 
 T_jup = 3.068 
[ 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 15.2   n/a MPO386075  
diameter diameter 4.842 km 1.276 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.073   0.027 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

249123 (2007 XM30)          Discovered 2007-Dec-15 by Spacewatch at Kitt Peak
Reference: 20100824/Numbers.arcLast Updated: 2010-08-27

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