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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 ]

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Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1147203209301766 2.8948e-08  
a 2.191535566803413 8.3695e-09 au
q 1.940121903249829 6.3439e-08 au
i 3.623467121031343 3.5474e-06 deg
node 145.9999157444431 5.3006e-05 deg
peri 257.1394670171278 5.6523e-05 deg
M 324.9755035687301 2.2731e-05 deg
tp 2459511.789727031029
(2021-Oct-24.28972703)
7.5215e-05 TDB
period 1185.007807681581
3.24
6.7883e-06
1.859e-08
d
yr
n .3037954667187596 1.7403e-09 deg/d
Q 2.442949230356997 9.3297e-09 au
  Orbit Determination Parameters
   # obs. used (total)      849  
   data-arc span      8006 days (21.92 yr)  
   first obs. used      1998-08-17  
   last obs. used      2020-07-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55059  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 10:48:10  

Additional Information
 Earth MOID = .95181 au 
 Jupiter MOID = 2.89629 au 
 T_jup = 3.661 
[ show covariance matrix ]

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 15.97   n/a E2021B10  

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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