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91630 (1999 TQ59)
Classification: Main-belt Asteroid          SPK-ID: 2091630
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05052469882437276 4.1789e-08  
a 2.962281276651174 2.3987e-08 au
q 2.812612907315295 1.2718e-07 au
i 10.85613828941394 4.7015e-06 deg
node 188.4922011204211 2.6665e-05 deg
peri 42.4255301436558 5.5979e-05 deg
M 139.075896077661 5.021e-05 deg
tp 2458281.072170912295
(2018-Jun-11.57217091)
0.00025854 TDB
period 1862.249503874847
5.10
2.2619e-05
6.193e-08
d
yr
n .1933145903655421 2.3481e-09 deg/d
Q 3.111949645987053 2.5199e-08 au
  Orbit Determination Parameters
   # obs. used (total)      399  
   data-arc span      9115 days (24.96 yr)  
   first obs. used      1994-09-11  
   last obs. used      2019-08-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57339  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 02:58:16  

Additional Information
 Earth MOID = 1.81444 au 
 Jupiter MOID = 1.86785 au 
 T_jup = 3.237 
[ 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 MPO449563  

91630 (1999 TQ59)          Discovered 1999-Oct-07 by Spacewatch at Kitt Peak
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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