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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1471508813915194 5.9187e-08  
a 2.643186103609115 1.1555e-08 au
q 2.254238938781218 1.6039e-07 au
i 3.199661359713269 3.6147e-06 deg
node 88.88628611219197 0.00010352 deg
peri 263.3638744249545 0.00010469 deg
M 15.02800722347432 1.356e-05 deg
tp 2459134.977730033166
(2020-Oct-12.47773003)
5.9179e-05 TDB
period 1569.603796251507
4.30
1.0292e-05
2.818e-08
d
yr
n .2293572434392323 1.504e-09 deg/d
Q 3.032133268437013 1.3255e-08 au
  Orbit Determination Parameters
   # obs. used (total)      321  
   data-arc span      21997 days (60.22 yr)  
   first obs. used      1960-09-24  
   last obs. used      2020-12-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .4955  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 20:02:10  

Additional Information
 Earth MOID = 1.24972 au 
 Jupiter MOID = 2.39695 au 
 T_jup = 3.376 
[ hide covariance matrix ]
Orbital Elements at Epoch 2458000.5 (2017-Sep-04.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1487676965987836 5.9192e-08  
q 2.249612471341555 1.6078e-07 au
tp 2457566.887622532965
(2016-Jun-27.38762253)
6.0776e-05 TDB
node 88.8949035715171 0.00010352 deg
peri 263.7613230273992 0.00010466 deg
i 3.20039368488335 3.6142e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      321  
   data-arc span      21997 days (60.22 yr)  
   first obs. used      1960-09-24  
   last obs. used      2020-12-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .4955  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 20:02:10  

Additional Information
 Jupiter MOID = 2.39695 au 
 T_jup = 3.376 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.503667558583817E-15 -9.501222406316106E-15 9.920039614620597E-13 4.617853103466889E-14 2.678959020487317E-13 -5.89664492878298E-15
q -9.501222406316106E-15 2.584881075547232E-14 -2.821037606371791E-12 -1.255782407356547E-13 -7.54666944898811E-13 1.613186633416091E-14
tp 9.920039614620597E-13 -2.821037606371791E-12 3.69371680439275E-9 1.631714853006945E-11 9.804549548695297E-10 -1.316822775431066E-12
node 4.617853103466889E-14 -1.255782407356547E-13 1.631714853006945E-11 1.071663423995298E-8 -1.069492942471269E-8 2.992393909317194E-11
peri 2.678959020487317E-13 -7.54666944898811E-13 9.804549548695297E-10 -1.069492942471269E-8 1.095324608365088E-8 -3.030990918058853E-11
i -5.89664492878298E-15 1.613186633416091E-14 -1.316822775431066E-12 2.992393909317194E-11 -3.030990918058853E-11 1.306257903004925E-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 16.79   n/a E2021B55  

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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