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JPL Small-Body Database Browser
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74895 (1999 TL120)
Classification: Main-belt Asteroid          SPK-ID: 2074895
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06566449873743706 5.5122e-08  
a 2.20275260138307 9.9177e-09 au
q 2.058109955970665 1.215e-07 au
i 2.980163592321529 6.3979e-06 deg
node 319.4770696017575 8.5787e-05 deg
peri 157.3497035553 9.7122e-05 deg
M 258.725644876964 4.3828e-05 deg
tp 2458936.426292445869
(2020-Mar-27.92629245)		 0.00014553 TDB
period 1194.117357089988
3.27		 8.0646e-06
2.208e-08		 d
yr
n .3014779057205099 2.0361e-09 deg/d
Q 2.347395246795475 1.0569e-08 au
   Orbit Determination Parameters
   # obs. used (total)      670  
   data-arc span      8432 days (23.09 yr)  
   first obs. used      1996-09-21  
   last obs. used      2019-10-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58542  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 08:56:42  

Additional Information
 Earth MOID = 1.07494 au 
 Jupiter MOID = 2.69107 au 
 T_jup = 3.659 
[ 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 16.2   n/a MPO417343  
diameter diameter 1.491 km 0.309 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.347   0.186 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

74895 (1999 TL120)          Discovered 1999-Oct-04 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 TL120 = 1996 SY6 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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