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97278 (1999 XM144)
Classification: Main-belt Asteroid          SPK-ID: 2097278
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2103335997620647 5.1824e-08  
a 2.800595483291931 1.3164e-08 au
q 2.21153615381376 1.4686e-07 au
i 16.01158185973761 4.1481e-06 deg
node 72.77476341655702 1.7521e-05 deg
peri 99.11146548360385 2.0319e-05 deg
M 1.170553852510364 9.1245e-06 deg
tp 2458594.933747530182
(2019-Apr-21.43374753)
4.3384e-05 TDB
period 1711.882699661292
4.69
1.207e-05
3.305e-08
d
yr
n .2102947825053834 1.4827e-09 deg/d
Q 3.389654812770103 1.5933e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1317  
   data-arc span      13452 days (36.83 yr)  
   first obs. used      1982-07-11  
   last obs. used      2019-05-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4503  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 06:29:25  

Additional Information
 Earth MOID = 1.28171 au 
 Jupiter MOID = 1.85031 au 
 T_jup = 3.237 
[ 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 MPO390396  
diameter diameter 9.945 km 0.093 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.069   0.002 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

97278 (1999 XM144)          Discovered 1999-Dec-15 by Juels, C. W. at Fountain Hills
Reference: 20050224/Numbers.arcLast Updated: 2005-02-28

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