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102709 (1999 VL91)
Classification: Main-belt Asteroid          SPK-ID: 2102709
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04958190970837503 5.4898e-08  
a 2.680131592975198 2.236e-08 au
q 2.547245550325738 1.5662e-07 au
i 6.472341403742245 5.1825e-06 deg
node 39.02039743906359 4.0161e-05 deg
peri 339.4256745794547 5.9942e-05 deg
M 304.9861774034634 4.7298e-05 deg
tp 2459445.407410293095
(2021-Aug-18.90741029)
0.0002118 TDB
period 1602.627549663576
4.39
2.0056e-05
5.491e-08
d
yr
n .2246311066320876 2.8111e-09 deg/d
Q 2.813017635624657 2.3469e-08 au
  Orbit Determination Parameters
   # obs. used (total)      499  
   data-arc span      7557 days (20.69 yr)  
   first obs. used      1999-10-19  
   last obs. used      2020-06-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56197  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 19:53:06  

Additional Information
 Earth MOID = 1.54926 au 
 Jupiter MOID = 2.40771 au 
 T_jup = 3.366 
[ 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 15.48   n/a E2021B55  

102709 (1999 VL91)          Discovered 1999-Nov-05 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1999 VL91 = 2002 JU92 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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