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91669 (1999 TL112)
Classification: Main-belt Asteroid          SPK-ID: 2091669
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08654577722874073 3.3984e-08  
a 3.188345285411893 2.1051e-08 au
q 2.91240746461233 1.0333e-07 au
i 5.837554753629887 4.5649e-06 deg
node 216.8406926497892 3.6003e-05 deg
peri 263.2602400988051 4.6069e-05 deg
M 127.6345989503203 3.1068e-05 deg
tp 2458263.254100527246
(2018-May-24.75410053)
0.00017696 TDB
period 2079.440261441159
5.69
2.0594e-05
5.638e-08
d
yr
n .173123511492704 1.7145e-09 deg/d
Q 3.464283106211457 2.2873e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1072  
   data-arc span      9349 days (25.60 yr)  
   first obs. used      1995-02-04  
   last obs. used      2020-09-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55854  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 20:38:59  

Additional Information
 Earth MOID = 1.93599 au 
 Jupiter MOID = 1.65757 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 14.1   n/a MPO432454  
diameter diameter 8.769 km 0.274 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.063   0.020 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

91669 (1999 TL112)          Discovered 1999-Oct-04 by LINEAR at Socorro
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

[ show close-approach data ]
Alternate Designations
 1999 TL112 = 2000 YF83 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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