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214481 (2005 TQ99)
Classification: Main-belt Asteroid          SPK-ID: 2214481
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2039459511874453 5.1986e-08  
a 3.068061819104237 3.9125e-08 au
q 2.44234303310514 1.6663e-07 au
i 9.915428369108716 7.5542e-06 deg
node 213.0333635068188 3.5938e-05 deg
peri 78.61062925662699 4.1542e-05 deg
M 252.2947427003803 2.463e-05 deg
tp 2459187.758062255050
(2020-Dec-04.25806226)
0.00014243 TDB
period 1962.883778492812
5.37
3.7547e-05
1.028e-07
d
yr
n .183403624781302 3.5083e-09 deg/d
Q 3.693780605103334 4.7105e-08 au
  Orbit Determination Parameters
   # obs. used (total)      311  
   data-arc span      7190 days (19.69 yr)  
   first obs. used      1999-07-22  
   last obs. used      2019-03-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51358  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 05:14:09  

Additional Information
 Earth MOID = 1.45002 au 
 Jupiter MOID = 1.61578 au 
 T_jup = 3.177 
[ 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 15.4   n/a MPO396613  
diameter diameter 2.916 km 0.588 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.144   0.039 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

214481 (2005 TQ99)          Discovered 2005-Oct-07 by LINEAR at Socorro
Reference: 20090509/Numbers.arcLast Updated: 2009-05-11

[ show close-approach data ]
Alternate Designations
 2005 TQ99 = 2004 LN21 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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