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79818 (1998 VR45)
Classification: Main-belt Asteroid          SPK-ID: 2079818
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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2445827133063063 4.0628e-08  
a 2.581348024132971 9.7398e-09 au
q 1.949994920402657 1.0572e-07 au
i 3.245550404809036 3.3573e-06 deg
node 217.1574947617819 8.468e-05 deg
peri 262.7979931253954 8.5153e-05 deg
M 119.8561435437223 7.4143e-06 deg
tp 2458892.156918315642
(2020-Feb-12.65691832)
3.1069e-05 TDB
period 1514.84524729545
4.15
8.5736e-06
2.347e-08
d
yr
n .2376480374102443 1.345e-09 deg/d
Q 3.212701127863286 1.2122e-08 au
  Orbit Determination Parameters
   # obs. used (total)      825  
   data-arc span      11158 days (30.55 yr)  
   first obs. used      1991-01-16  
   last obs. used      2021-08-04  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55572  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 01:49:34  

Additional Information
 Earth MOID = .969596 au 
 Jupiter MOID = 1.90292 au 
 T_jup = 3.379 
[ 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 15.92   n/a E2021B10  

79818 (1998 VR45)          Discovered 1998-Nov-11 by LONEOS at Anderson Mesa
Reference: 20040504/Numbers.arcLast Updated: 2004-07-16

[ show close-approach data ]
Alternate Designations
 1998 VR45 = 1998 VG56 = 1998 WA46 = 2002 TF223 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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