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91660 (1999 TY105)
Classification: Main-belt Asteroid          SPK-ID: 2091660
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1327876193660698 4.9537e-08  
a 3.110301705588682 2.5005e-08 au
q 2.697292146593335 1.6079e-07 au
i 14.90971237820451 4.8493e-06 deg
node 224.009140605075 1.8072e-05 deg
peri 153.4781383816875 2.5998e-05 deg
M 359.3155572882312 2.0491e-05 deg
tp 2459400.309226589626
(2021-Jul-04.80922659)
0.00011407 TDB
period 2003.559317216618
5.49
2.4161e-05
6.615e-08
d
yr
n .1796802305309926 2.1667e-09 deg/d
Q 3.52331126458403 2.8325e-08 au
  Orbit Determination Parameters
   # obs. used (total)      658  
   data-arc span      8603 days (23.55 yr)  
   first obs. used      1997-04-30  
   last obs. used      2020-11-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51981  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 14:47:04  

Additional Information
 Earth MOID = 1.70851 au 
 Jupiter MOID = 1.95719 au 
 T_jup = 3.154 
[ 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 14.60   n/a MPCxxxxx  
diameter diameter 5.616 km 0.722 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.097   0.036 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

91660 (1999 TY105)          Discovered 1999-Oct-03 by LINEAR at Socorro
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

[ show close-approach data ]
Alternate Designations
 1999 TY105 = 1997 HX10 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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