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JPL Small-Body Database Browser
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91814 (1999 TV261)
Classification: Main-belt Asteroid          SPK-ID: 2091814
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .11400434253469 5.7995e-08  
a 3.077743094782565 3.0016e-08 au
q 2.726867016771197 1.8045e-07 au
i 12.27164393663966 7.6464e-06 deg
node 219.1061060915984 2.2989e-05 deg
peri 302.383276587083 3.5894e-05 deg
M 168.0515993435251 2.8308e-05 deg
tp 2458079.865756883725
(2017-Nov-22.36575688)
0.00015397 TDB
period 1972.181929934299
5.40
2.885e-05
7.899e-08
d
yr
n .1825389405185316 2.6703e-09 deg/d
Q 3.428619172793934 3.3437e-08 au
  Orbit Determination Parameters
   # obs. used (total)      489  
   data-arc span      8589 days (23.52 yr)  
   first obs. used      1994-11-30  
   last obs. used      2018-06-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56407  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 11:15:15  

Additional Information
 Earth MOID = 1.75627 au 
 Jupiter MOID = 1.65926 au 
 T_jup = 3.184 
[ 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 14.8   n/a MPO436413  
diameter diameter 7.732 km 0.884 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.036   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

91814 (1999 TV261)          Discovered 1999-Oct-13 by LINEAR at Socorro
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

[ show close-approach data ]
Alternate Designations
 1999 TV261 = 2002 JL56 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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