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85514 (1997 UD16)
Classification: Main-belt Asteroid          SPK-ID: 2085514
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .206943071913941 4.1829e-08  
a 2.401003027150709 8.2863e-09 au
q 1.90413208503747 1.0036e-07 au
i 2.744876922855067 5.0362e-06 deg
node 19.33851041863055 8.688e-05 deg
peri 285.4443958326577 8.788e-05 deg
M 91.36995573585401 1.0819e-05 deg
tp 2458655.603805865200
(2019-Jun-21.10380587)
4.1126e-05 TDB
period 1358.899967594119
3.72
7.0347e-06
1.926e-08
d
yr
n .2649201623261249 1.3714e-09 deg/d
Q 2.897873969263948 1.0001e-08 au
  Orbit Determination Parameters
   # obs. used (total)      867  
   data-arc span      8655 days (23.70 yr)  
   first obs. used      1996-03-16  
   last obs. used      2019-11-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56023  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 08:02:37  

Additional Information
 Earth MOID = .891335 au 
 Jupiter MOID = 2.35412 au 
 T_jup = 3.495 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.7   n/a MPO502665  

85514 (1997 UD16)          Discovered 1997-Oct-23 by Spacewatch at Kitt Peak
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

Alternate Designations
 1997 UD16 = 2000 LJ35 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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