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97274 (1999 XG142)
Classification: Main-belt Asteroid          SPK-ID: 2097274
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1559634521179931 6.0602e-08  
a 2.666904692285432 1.5593e-08 au
q 2.250965030006922 1.6213e-07 au
i 31.46089306369234 5.7447e-06 deg
node 77.63224121485801 1.2027e-05 deg
peri 342.1640099948821 2.3242e-05 deg
M 183.0360900853035 1.8931e-05 deg
tp 2459382.473209916855
(2021-Jun-16.97320992)
8.5578e-05 TDB
period 1590.778344046346
4.36
1.3952e-05
3.82e-08
d
yr
n .2263043128210398 1.9848e-09 deg/d
Q 3.082844354563942 1.8025e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1079  
   data-arc span      7151 days (19.58 yr)  
   first obs. used      1999-10-10  
   last obs. used      2019-05-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4966  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 06:29:24  

Additional Information
 Earth MOID = 1.27443 au 
 Jupiter MOID = 2.2466 au 
 T_jup = 3.157 
[ 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 13.8   n/a MPO395864  
diameter diameter 9.573 km 0.030 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.076   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

97274 (1999 XG142)          Discovered 1999-Dec-12 by LINEAR at Socorro
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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