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85791 (1998 VS18)
Classification: Main-belt Asteroid          SPK-ID: 2085791
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1700872267886896 4.5302e-08  
a 2.76140115126635 1.8988e-08 au
q 2.291722087396361 1.2452e-07 au
i 3.698710634515828 4.8022e-06 deg
node 280.2272099806538 7.7059e-05 deg
peri 89.19431375530955 7.8381e-05 deg
M .5459718156320412 1.8466e-05 deg
tp 2459393.958088637606
(2021-Jun-28.45808864)
8.5956e-05 TDB
period 1676.072032037914
4.59
1.7288e-05
4.733e-08
d
yr
n .214787904767005 2.2154e-09 deg/d
Q 3.231080215136338 2.2218e-08 au
  Orbit Determination Parameters
   # obs. used (total)      696  
   data-arc span      10699 days (29.29 yr)  
   first obs. used      1991-03-13  
   last obs. used      2020-06-27  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54144  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 14:14:59  

Additional Information
 Earth MOID = 1.294 au 
 Jupiter MOID = 2.26258 au 
 T_jup = 3.317 
[ 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 15.18   n/a MPCxxxxx  

85791 (1998 VS18)          Discovered 1998-Nov-10 by LINEAR at Socorro
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

[ show close-approach data ]
Alternate Designations
 1998 VS18 = 2002 NY51 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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