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91610 (1999 TP26)
Classification: Main-belt Asteroid          SPK-ID: 2091610
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07689975074191396 4.9043e-08  
a 3.086465397620027 2.412e-08 au
q 2.849116977869504 1.6341e-07 au
i 9.39611748617517 5.4802e-06 deg
node 217.1280929942672 2.3731e-05 deg
peri 115.9535949938693 4.6773e-05 deg
M 342.3299238213027 3.694e-05 deg
tp 2459097.713474749184
(2020-Sep-05.21347475)
0.00020289 TDB
period 1980.57159209635
5.42
2.3217e-05
6.356e-08
d
yr
n .1817657091703287 2.1307e-09 deg/d
Q 3.32381381737055 2.5975e-08 au
  Orbit Determination Parameters
   # obs. used (total)      828  
   data-arc span      7606 days (20.82 yr)  
   first obs. used      1999-10-03  
   last obs. used      2020-07-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53952  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 08:18:15  

Additional Information
 Earth MOID = 1.856 au 
 Jupiter MOID = 1.98044 au 
 T_jup = 3.201 
[ 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 14.2   n/a MPO348075  

91610 (1999 TP26)          Discovered 1999-Oct-03 by LINEAR at Socorro
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

[ show close-approach data ]
Alternate Designations
 1999 TP26 = 2002 HA7 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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