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JPL Small-Body Database Browser
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33340 (1998 VG44)
Classification: TransNeptunian Object          SPK-ID: 2033340
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2474361123562116 6.9236e-05  
a 39.01228780036718 0.0043874 au
q 29.35923897292266 0.00061043 au
i 3.039269571239365 5.8775e-05 deg
node 127.9502362639423 0.0023457 deg
peri 324.2887846237963 0.005879 deg
M 7.965675996263305 0.0021257 deg
tp 2456631.160042458817
(2013-Dec-04.66004246)
0.78193 TDB
period 89002.16190658517
243.67
15.014
0.04111
d
yr
n .004044845566536334 6.8234e-07 deg/d
Q 48.66533662781169 0.005473 au
  Orbit Determination Parameters
   # obs. used (total)      64  
   data-arc span      6976 days (19.10 yr)  
   first obs. used      1998-11-14  
   last obs. used      2017-12-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      3  
   norm. resid. RMS      .6693  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 01:36:18  

Additional Information
 Earth MOID = 28.3764 au 
 Jupiter MOID = 24.2028 au 
 T_jup = 5.432 
[ hide covariance matrix ]
Orbital Elements at Epoch 2452188.5 (2001-Oct-06.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2590496452763945 6.99e-05  
q 29.37889687137439 0.0006053 au
tp 2456548.428966255559
(2013-Sep-12.92896626)
0.73124 TDB
node 127.9913421437833 0.0023409 deg
peri 323.7073559396196 0.005571 deg
i 3.036352760542601 5.8326e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      64  
   data-arc span      6976 days (19.10 yr)  
   first obs. used      1998-11-14  
   last obs. used      2017-12-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      3  
   norm. resid. RMS      .6693  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 01:36:18  

Additional Information
 Jupiter MOID = 24.2028 au 
 T_jup = 5.432 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.886011456866843E-9 4.152648449533757E-8 -4.256111620016525E-5 1.123885837075697E-9 -2.938764904679803E-7 7.094045549799032E-11
q 4.152648449533757E-8 3.663847986026067E-7 -.0004048787488581158 1.04292537123042E-8 -2.800063952209155E-6 5.754570748277401E-10
tp -4.256111620016525E-5 -.0004048787488581158 .5347130090866854 -1.291185942279054E-5 .00369743951484884 -5.004090877433048E-7
node 1.123885837075697E-9 1.04292537123042E-8 -1.291185942279054E-5 5.47992810067587E-6 -5.561252836471271E-6 -1.225380998677916E-7
peri -2.938764904679803E-7 -2.800063952209155E-6 .00369743951484884 -5.561252836471271E-6 3.10364209306585E-5 1.189238045398103E-7
i 7.094045549799032E-11 5.754570748277401E-10 -5.004090877433048E-7 -1.225380998677916E-7 1.189238045398103E-7 3.401924405729097E-9

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 6.5   n/a PDS3 (MPO 21375)  

33340 (1998 VG44)          Discovered 1998-Nov-14 by Larsen, J., Danzl, N., Gleason, A. at Steward
Reference: 20020128/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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