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JPL Small-Body Database Browser
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52791 (1998 QC49)
Classification: Main-belt Asteroid          SPK-ID: 2052791
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .115493432929279 2.9862e-08  
a 2.191339292522124 8.7456e-09 au
q 1.938253994915927 6.4992e-08 au
i 3.621835913995441 4.729e-06 deg
node 146.0165754840827 5.3241e-05 deg
peri 257.1686046196304 5.777e-05 deg
M 204.7015329905335 2.3974e-05 deg
tp 2459511.625482943599
(2021-Oct-24.12548294)
8.0129e-05 TDB
period 1184.848617008431
3.24
7.093e-06
1.942e-08
d
yr
n .3038362832451518 1.8189e-09 deg/d
Q 2.444424590128322 9.7556e-09 au
  Orbit Determination Parameters
   # obs. used (total)      751  
   data-arc span      7925 days (21.70 yr)  
   first obs. used      1998-08-17  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55608  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 10:27:39  

Additional Information
 Earth MOID = .950555 au 
 Jupiter MOID = 2.8956 au 
 T_jup = 3.661 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456849.5 (2014-Jul-11.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .114942119671224 2.9778e-08  
q 1.93973814033637 6.477e-08 au
tp 2457141.604706722662
(2015-Apr-29.10470672)
7.6025e-05 TDB
node 146.0391104137882 5.3215e-05 deg
peri 257.0778280720961 5.781e-05 deg
i 3.621811173208071 4.7306e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      751  
   data-arc span      7925 days (21.70 yr)  
   first obs. used      1998-08-17  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55608  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 10:27:39  

Additional Information
 Jupiter MOID = 2.8956 au 
 T_jup = 3.661 
Orbit Covariance (6×6)
  e q tp node peri i
e 8.867346447806948E-16 -1.914863980427319E-15 -1.6284889893652E-13 -1.312292633269441E-15 -5.415199973216695E-14 8.884011650396202E-17
q -1.914863980427319E-15 4.195157143102671E-15 5.022158362159205E-13 2.491172299808118E-15 1.558414639795624E-13 -2.51831334857551E-16
tp -1.6284889893652E-13 5.022158362159205E-13 5.779728100055041E-9 -5.526910069270463E-12 1.723832419042636E-9 -3.42818204892685E-13
node -1.312292633269441E-15 2.491172299808118E-15 -5.526910069270463E-12 2.831835072863044E-9 -2.827093343298817E-9 -1.721214085023572E-11
peri -5.415199973216695E-14 1.558414639795624E-13 1.723832419042636E-9 -2.827093343298817E-9 3.341943085130279E-9 1.712507581375494E-11
i 8.884011650396202E-17 -2.51831334857551E-16 -3.42818204892685E-13 -1.721214085023572E-11 1.712507581375494E-11 2.237901018814836E-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 15.9   n/a MPO381645  

52791 (1998 QC49)          Discovered 1998-Aug-17 by LINEAR at Socorro
Reference: 20030216/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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