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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .210880348465166 5.2011e-08  
a 2.803489014365496 1.3099e-08 au
q 2.212288274097836 1.4741e-07 au
i 16.00325547285586 4.1461e-06 deg
node 72.76840104574951 1.7532e-05 deg
peri 99.33728356311558 2.0281e-05 deg
M 84.99692224486401 9.1553e-06 deg
tp 2458595.693558927078
(2019-Apr-22.19355893)
4.3224e-05 TDB
period 1714.536420112054
4.69
1.2016e-05
3.29e-08
d
yr
n .2099692930270166 1.4716e-09 deg/d
Q 3.394689754633157 1.5861e-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 = 1.28178 au 
 Jupiter MOID = 1.84406 au 
 T_jup = 3.235 
[ 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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