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JPL Small-Body Database Browser
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185760 (1999 TZ61)
Classification: Main-belt Asteroid          SPK-ID: 2185760
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1257421324536371 3.796e-08  
a 2.233275829844835 1.1202e-08 au
q 1.952458964642979 8.4327e-08 au
i 7.642082660414295 1.2672e-05 deg
node 32.82434621448105 3.3414e-05 deg
peri 266.9264744143577 6.2549e-05 deg
M 144.7423283855446 5.3546e-05 deg
tp 2458510.377060817897
(2019-Jan-26.87706082)
0.00017962 TDB
period 1219.023212308492
3.34
9.1715e-06
2.511e-08
d
yr
n .2953184126151788 2.2219e-09 deg/d
Q 2.514092695046691 1.261e-08 au
  Orbit Determination Parameters
   # obs. used (total)      334  
   data-arc span      7918 days (21.68 yr)  
   first obs. used      1998-03-22  
   last obs. used      2019-11-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59724  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 15:08:20  

Additional Information
 Earth MOID = .955289 au 
 Jupiter MOID = 2.68424 au 
 T_jup = 3.618 
[ 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 16.8   n/a MPO502995  

185760 (1999 TZ61)          Discovered 1999-Oct-07 by Spacewatch at Kitt Peak
Reference: 20080520/Numbers.arcLast Updated: 2008-05-22

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