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JPL Small-Body Database Browser
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97212 (1999 XT38)
Classification: Main-belt Asteroid          SPK-ID: 2097212
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08175789737504539 3.8244e-08  
a 2.858342351580428 1.6962e-08 au
q 2.62465029093717 1.0926e-07 au
i 2.001394941678627 3.8983e-06 deg
node 49.81229737213935 0.00014146 deg
peri 52.87774504408875 0.0001451 deg
M 64.51368636274719 3.0583e-05 deg
tp 2458684.185463334717
(2019-Jul-19.68546333)
0.00015021 TDB
period 1765.101943783156
4.83
1.5712e-05
4.302e-08
d
yr
n .2039542255720423 1.8155e-09 deg/d
Q 3.092034412223687 1.8349e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1029  
   data-arc span      7902 days (21.63 yr)  
   first obs. used      1998-08-30  
   last obs. used      2020-04-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52177  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 17:30:04  

Additional Information
 Earth MOID = 1.64214 au 
 Jupiter MOID = 2.00887 au 
 T_jup = 3.297 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.9   n/a MPO325130  
diameter diameter 3.698 km 0.525 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.187   0.086 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

97212 (1999 XT38)          Discovered 1999-Dec-07 by Campo Catino at Campo Catino
Reference: 20050224/Numbers.arcLast Updated: 2005-02-28

Alternate Designations
 1999 XT38 = 2001 FG16 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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