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46749 (1998 DM33)
Classification: Main-belt Asteroid          SPK-ID: 2046749
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2345660984741523 5.0922e-08  
a 2.657603969103314 1.3547e-08 au
q 2.034220174781328 1.3492e-07 au
i 12.5719779250599 5.4691e-06 deg
node 333.2560783525781 2.3271e-05 deg
peri 262.3915853805632 2.5892e-05 deg
M 354.370485718755 1.057e-05 deg
tp 2459025.245842639848
(2020-Jun-24.74584264)
4.6445e-05 TDB
period 1582.463940099479
4.33
1.2099e-05
3.313e-08
d
yr
n .2274933354736469 1.7394e-09 deg/d
Q 3.280987763425301 1.6724e-08 au
  Orbit Determination Parameters
   # obs. used (total)      857  
   data-arc span      8176 days (22.38 yr)  
   first obs. used      1998-01-28  
   last obs. used      2020-06-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53851  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 21:41:46  

Additional Information
 Earth MOID = 1.06927 au 
 Jupiter MOID = 1.9484 au 
 T_jup = 3.314 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457068.5 (2015-Feb-15.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .235026729654185 5.0874e-08  
q 2.034153910576585 1.3505e-07 au
tp 2457440.844283275883
(2016-Feb-22.34428328)
4.886e-05 TDB
node 333.292821768707 2.3271e-05 deg
peri 262.0901335662592 2.5872e-05 deg
i 12.57155499462841 5.4679e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      857  
   data-arc span      8176 days (22.38 yr)  
   first obs. used      1998-01-28  
   last obs. used      2020-06-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53851  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 21:41:46  

Additional Information
 Jupiter MOID = 1.9484 au 
 T_jup = 3.314 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.588143706600254E-15 -6.850479722192951E-15 -5.970742233186926E-13 1.630446950075512E-14 -6.086369953351532E-14 -1.106994920855723E-14
q -6.850479722192951E-15 1.823817770672025E-14 1.432561261126447E-12 -4.497241006034023E-14 1.228282038357779E-13 2.929994538707558E-14
tp -5.970742233186926E-13 1.432561261126447E-12 2.387305100895795E-9 5.870752342170633E-12 5.730793931054249E-10 1.103860749975947E-11
node 1.630446950075512E-14 -4.497241006034023E-14 5.870752342170633E-12 5.415291853925764E-10 -5.259310064772291E-10 1.589122855793144E-11
peri -6.086369953351532E-14 1.228282038357779E-13 5.730793931054249E-10 -5.259310064772291E-10 6.693461486794003E-10 -1.344504407207636E-11
i -1.106994920855723E-14 2.929994538707558E-14 1.103860749975947E-11 1.589122855793144E-11 -1.344504407207636E-11 2.989751249623454E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.7   n/a MPO337632  

46749 (1998 DM33)          Discovered 1998-Feb-22 by Spacewatch at Kitt Peak
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 DM33 = 1999 RK130 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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