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JPL Small-Body Database Browser
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452421 (2002 VX99)
Classification: Amor [NEO]          SPK-ID: 2452421
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 39 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5118234870883726 5.721e-08  
a 2.632554606137322 1.1068e-08 au
q 1.28515132767356 1.5021e-07 au
i 24.49708088214301 1.6882e-05 deg
node 234.3212234059025 1.6803e-05 deg
peri 259.9113073773859 3.1101e-05 deg
M 278.8063977425628 1.1694e-05 deg
tp 2458952.371278115169
(2020-Apr-12.87127812)
5.0967e-05 TDB
period 1560.143368437109
4.27
9.839e-06
2.694e-08
d
yr
n .2307480243694744 1.4552e-09 deg/d
Q 3.979957884601082 1.6733e-08 au
  Orbit Determination Parameters
   # obs. used (total)      138  
   data-arc span      6290 days (17.22 yr)  
   first obs. used      2002-11-01  
   last obs. used      2020-01-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47739  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-21 05:31:14  

Additional Information
 Earth MOID = .516498 au 
 Jupiter MOID = 2.15168 au 
 T_jup = 3.089 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457419.5 (2016-Feb-01.0) TDB
Reference: JPL 39 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5123636492893269 5.7476e-08  
q 1.283639565387485 1.5115e-07 au
tp 2457393.073321658351
(2016-Jan-05.57332166)
5.0311e-05 TDB
node 234.332653447328 1.681e-05 deg
peri 259.9541389737604 3.1058e-05 deg
i 24.49663915203361 1.6881e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      138  
   data-arc span      6290 days (17.22 yr)  
   first obs. used      2002-11-01  
   last obs. used      2020-01-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47739  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-21 05:31:14  

Additional Information
 Jupiter MOID = 2.15168 au 
 T_jup = 3.089 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.30343483660999E-15 -8.681912754896906E-15 1.38107166650601E-12 -1.012486314388971E-13 9.207916150324547E-13 -2.227415983806426E-14
q -8.681912754896906E-15 2.284717619623867E-14 -3.665621456922906E-12 2.675057789273298E-13 -2.44949094680407E-12 5.223607013232534E-14
tp 1.38107166650601E-12 -3.665621456922906E-12 2.53122697127293E-9 -1.472310382164601E-10 1.31913575384216E-9 -2.152231642838049E-11
node -1.012486314388971E-13 2.675057789273298E-13 -1.472310382164601E-10 2.825800970968433E-10 -3.226709145637788E-10 -2.512863605499645E-11
peri 9.207916150324547E-13 -2.44949094680407E-12 1.31913575384216E-9 -3.226709145637788E-10 9.646044052446333E-10 7.947437320227012E-12
i -2.227415983806426E-14 5.223607013232534E-14 -2.152231642838049E-11 -2.512863605499645E-11 7.947437320227012E-12 2.849709638719198E-10

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 18.4   n/a MPO380272  

452421 (2002 VX99)          Discovered 2002-Nov-13 by NEAT at Palomar
Reference: Last Updated: 2016-01-04

Alternate Designations
 2002 VX99 = 2015 UQ67 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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