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160639 (1999 VJ122)
Classification: Main-belt Asteroid          SPK-ID: 2160639
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1475290195571998 6.0423e-08  
a 2.644380878889567 1.7928e-08 au
q 2.254257960491183 1.6219e-07 au
i 3.199785823418227 6.3677e-06 deg
node 88.89046481219417 0.00012585 deg
peri 263.3161333431772 0.00012823 deg
M 329.2113829655667 2.8794e-05 deg
tp 2459134.829723262624
(2020-Oct-12.32972326)
0.00012649 TDB
period 1570.668157015993
4.30
1.5973e-05
4.373e-08
d
yr
n .2292018198700481 2.3308e-09 deg/d
Q 3.034503797287951 2.0573e-08 au
  Orbit Determination Parameters
   # obs. used (total)      222  
   data-arc span      21463 days (58.76 yr)  
   first obs. used      1960-09-24  
   last obs. used      2019-06-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54134  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 13:22:46  

Additional Information
 Earth MOID = 1.25147 au 
 Jupiter MOID = 2.39412 au 
 T_jup = 3.376 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456977.5 (2014-Nov-16.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1487189276010368 6.0647e-08  
q 2.249483817077852 1.6295e-07 au
tp 2457567.685746522727
(2016-Jun-28.18574652)
0.00011683 TDB
node 88.89984929415988 0.00012588 deg
peri 264.0096222431372 0.00012821 deg
i 3.200499987971231 6.373e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      222  
   data-arc span      21463 days (58.76 yr)  
   first obs. used      1960-09-24  
   last obs. used      2019-06-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54134  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 13:22:46  

Additional Information
 Jupiter MOID = 2.39412 au 
 T_jup = 3.376 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.678103085532434E-15 -9.842957070833436E-15 2.088223519156976E-12 4.658286665811848E-15 5.288494777686433E-13 -1.92288238770193E-15
q -9.842957070833436E-15 2.655201743290976E-14 -4.644537691602629E-12 -8.878195510908204E-15 -1.236940837379472E-12 5.15961712305162E-15
tp 2.088223519156976E-12 -4.644537691602629E-12 1.364986286954328E-8 7.628830600942999E-11 2.906854936750156E-9 -4.486029103731966E-12
node 4.658286665811848E-15 -8.878195510908204E-15 7.628830600942999E-11 1.584465041780225E-8 -1.580310740146541E-8 -3.117269236265106E-10
peri 5.288494777686433E-13 -1.236940837379472E-12 2.906854936750156E-9 -1.580310740146541E-8 1.643793953350849E-8 3.102235969755871E-10
i -1.92288238770193E-15 5.15961712305162E-15 -4.486029103731966E-12 -3.117269236265106E-10 3.102235969755871E-10 4.061510008935624E-11

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.7   n/a MPO436810  

160639 (1999 VJ122)          Discovered 1999-Nov-04 by Spacewatch at Kitt Peak
Reference: 20070828/Numbers.arcLast Updated: 2007-08-30
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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