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JPL Small-Body Database Browser
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47316 (1999 XM12)
Classification: Main-belt Asteroid          SPK-ID: 2047316
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 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1479534389261089 4.5654e-08  
a 2.542961325273759 1.5502e-08 au
q 2.166721452143411 1.1739e-07 au
i 12.58651172098875 5.3755e-06 deg
node 255.9506043140507 2.0028e-05 deg
peri 300.4781938297137 2.6197e-05 deg
M 198.5745992792615 1.7672e-05 deg
tp 2459264.667212296101
(2021-Feb-19.16721230)
7.3942e-05 TDB
period 1481.180751969965
4.06
1.3544e-05
3.708e-08
d
yr
n .2430493371731987 2.2225e-09 deg/d
Q 2.919201198404107 1.7796e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1421  
   data-arc span      7746 days (21.21 yr)  
   first obs. used      1998-09-19  
   last obs. used      2019-12-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46839  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 04:02:35  

Additional Information
 Earth MOID = 1.19246 au 
 Jupiter MOID = 2.16957 au 
 T_jup = 3.396 
[ 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 13.7   n/a MPO359055  
diameter diameter 4.977 km 0.276 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.311   0.088 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

47316 (1999 XM12)          Discovered 1999-Dec-05 by LINEAR at Socorro
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

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