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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2471663260667513 2.0282e-05  
a 38.98644144492785 0.0012514 au
q 29.3503059465685 0.00015179 au
i 3.041019295728058 2.5736e-05 deg
node 127.9364577787133 0.00033349 deg
peri 323.9427614565609 0.00081204 deg
M 9.803383036267537 0.00031847 deg
tp 2456579.235180946741
(2013-Oct-13.73518095)
0.10777 TDB
period 88913.72821346381
243.43
4.2811
0.01172
d
yr
n .00404886857444233 1.9495e-07 deg/d
Q 48.62257694328719 0.0015607 au
  Orbit Determination Parameters
   # obs. used (total)      132  
   data-arc span      7747 days (21.21 yr)  
   first obs. used      1998-11-14  
   last obs. used      2020-01-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      2  
   norm. resid. RMS      .61728  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 00:51:20  

Additional Information
 Earth MOID = 28.3675 au 
 Jupiter MOID = 24.1936 au 
 T_jup = 5.431 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456846.5 (2014-Jul-08.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2573099215763117 2.0367e-05  
q 29.36708918968449 0.0001525 au
tp 2456674.278003626862
(2014-Jan-16.77800363)
0.10861 TDB
node 127.9910675815089 0.00033364 deg
peri 324.5198851935695 0.00081933 deg
i 3.034556883838756 2.5618e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      132  
   data-arc span      7747 days (21.21 yr)  
   first obs. used      1998-11-14  
   last obs. used      2020-01-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      2  
   norm. resid. RMS      .61728  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 00:51:20  

Additional Information
 Jupiter MOID = 24.1936 au 
 T_jup = 5.431 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.148021545351487E-10 3.095325518409573E-9 -1.719809550661979E-6 -1.728466110325143E-11 -1.185904436900197E-8 1.051735961934371E-11
q 3.095325518409573E-9 2.325579010112484E-8 -1.331502000929044E-5 -1.235080894905634E-10 -9.180031035150331E-8 7.845192292058256E-11
tp -1.719809550661979E-6 -1.331502000929044E-5 .01179717454820536 1.447036362580596E-8 8.129926693807503E-5 -4.004517405234943E-8
node -1.728466110325143E-11 -1.235080894905634E-10 1.447036362580596E-8 1.113134740185835E-7 -1.110556238535674E-7 -7.707686905461284E-9
peri -1.185904436900197E-8 -9.180031035150331E-8 8.129926693807503E-5 -1.110556238535674E-7 6.713079024095477E-7 7.420255142897607E-9
i 1.051735961934371E-11 7.845192292058256E-11 -4.004517405234943E-8 -7.707686905461284E-9 7.420255142897607E-9 6.562754452849781E-10

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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