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JPL Small-Body Database Browser
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52773 (1998 QU12)
Classification: Main-belt Asteroid          SPK-ID: 2052773
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2035021207778274 4.3368e-08  
a 2.218209428317627 6.1618e-09 au
q 1.766799105325618 9.5952e-08 au
i 3.662718255662564 4.7992e-06 deg
node 183.7544694875006 5.1866e-05 deg
peri 168.9531483795018 5.2618e-05 deg
M 193.813240096493 8.602e-06 deg
tp 2459557.552550525873
(2021-Dec-09.05255053)
2.9282e-05 TDB
period 1206.708153560206
3.30
5.028e-06
1.377e-08
d
yr
n .2983322843538229 1.2431e-09 deg/d
Q 2.669619751309636 7.4157e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1053  
   data-arc span      10469 days (28.66 yr)  
   first obs. used      1991-06-06  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50105  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 10:35:21  

Additional Information
 Earth MOID = .761708 au 
 Jupiter MOID = 2.76885 au 
 T_jup = 3.622 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.6   n/a MPO452887  
rotation period rot_per 3.70834 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Pravec, P.; Vokrouhlicky, D.; Polishook, D.; Scheeres, D.J.; et al. (2010) Nature 466, 1085-1088. Lightcurve plots as supplemental data, http://www.Nature.com/nature]

52773 (1998 QU12)          Discovered 1998-Aug-17 by LINEAR at Socorro
Reference: 20030216/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 QU12 = 2000 DK25 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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