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385631 (2005 QK52)
Classification: Main-belt Asteroid          SPK-ID: 2385631
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2038501863168208 6.9356e-08  
a 2.358696702061123 1.3136e-08 au
q 1.877875939881092 1.5841e-07 au
i 1.491191856739753 7.3174e-06 deg
node 290.2144045013241 0.000248 deg
peri 111.246387911429 0.00024949 deg
M 37.21976555449899 2.0751e-05 deg
tp 2459063.702642253955
(2020-Aug-02.20264225)
7.6158e-05 TDB
period 1323.142369515095
3.62
1.1053e-05
3.026e-08
d
yr
n .2720795647500374 2.2729e-09 deg/d
Q 2.839517464241154 1.5814e-08 au
  Orbit Determination Parameters
   # obs. used (total)      143  
   data-arc span      8122 days (22.24 yr)  
   first obs. used      1998-10-24  
   last obs. used      2021-01-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52915  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 11:06:04  

Additional Information
 Earth MOID = .885909 au 
 Jupiter MOID = 2.57311 au 
 T_jup = 3.524 
[ 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 18.45   n/a MPCxxxxx  

385631 (2005 QK52)          Discovered 2005-Aug-27 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-02-19

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