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118175 (1991 TL16)
Classification: Main-belt Asteroid          SPK-ID: 2118175
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1495355369162944 4.4031e-08  
a 2.298065502727741 9.0604e-09 au
q 1.954423043908534 1.0139e-07 au
i 7.179636419878225 5.3429e-06 deg
node 63.20182973868139 3.5788e-05 deg
peri 308.4204693322473 4.0347e-05 deg
M 152.9356723021717 2.0213e-05 deg
tp 2458659.934496131150
(2019-Jun-25.43449613)
6.9939e-05 TDB
period 1272.453826261583
3.48
7.5252e-06
2.06e-08
d
yr
n .2829179279987433 1.6732e-09 deg/d
Q 2.641707961546948 1.0415e-08 au
  Orbit Determination Parameters
   # obs. used (total)      421  
   data-arc span      10726 days (29.37 yr)  
   first obs. used      1991-10-06  
   last obs. used      2021-02-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55253  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 16:56:03  

Additional Information
 Earth MOID = .963321 au 
 Jupiter MOID = 2.83513 au 
 T_jup = 3.568 
[ 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 16.7   n/a MPO532503  

118175 (1991 TL16)          Discovered 1991-Oct-06 by Lowe, A. at Palomar
Reference: 20051116/Numbers.arcLast Updated: 2005-11-21

[ show close-approach data ]
Alternate Designations
 1991 TL16 = 1998 VZ39 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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