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66771 (1999 TM210)
Classification: Main-belt Asteroid          SPK-ID: 2066771
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 .2086942873707508 6.5095e-08  
a 2.688014695055557 1.7183e-08 au
q 2.127041383828832 1.7248e-07 au
i 11.51803063230175 9.3755e-06 deg
node 335.0474444549477 2.4198e-05 deg
peri 124.208814488371 3.4667e-05 deg
M 214.5338359819291 2.0905e-05 deg
tp 2459650.937198451292
(2022-Mar-12.43719845)
9.4206e-05 TDB
period 1609.703486876691
4.41
1.5435e-05
4.226e-08
d
yr
n .2236436728471703 2.1445e-09 deg/d
Q 3.248988006282283 2.0769e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1002  
   data-arc span      8119 days (22.23 yr)  
   first obs. used      1996-03-15  
   last obs. used      2018-06-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47521  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-04 01:57:51  

Additional Information
 Earth MOID = 1.16707 au 
 Jupiter MOID = 1.96463 au 
 T_jup = 3.313 
[ 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 14.3   n/a MPO395617  
diameter diameter 6.297 km 0.349 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.102   0.016 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

66771 (1999 TM210)          Discovered 1999-Oct-14 by LINEAR at Socorro
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 TM210 = 1996 EN1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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