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214432 (2005 QA57)
Classification: Outer Main-belt Asteroid          SPK-ID: 2214432
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .130196530319518 7.846e-08  
a 3.226078292051212 4.717e-08 au
q 2.806054091887028 2.4771e-07 au
i 5.130123761827805 1.0702e-05 deg
node 170.7444722299015 6.6539e-05 deg
peri 139.4985455356515 7.6201e-05 deg
M 212.3362355985282 4.038e-05 deg
tp 2459868.624906096683
(2022-Oct-16.12490610)
0.00024897 TDB
period 2116.463490292076
5.79
4.6419e-05
1.271e-07
d
yr
n .1700950673854144 3.7306e-09 deg/d
Q 3.646102492215397 5.3311e-08 au
  Orbit Determination Parameters
   # obs. used (total)      155  
   data-arc span      5299 days (14.51 yr)  
   first obs. used      2005-07-30  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51851  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 03:10:43  

Additional Information
 Earth MOID = 1.79438 au 
 Jupiter MOID = 1.64804 au 
 T_jup = 3.168 
[ 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 16.0   n/a MPO422835  
rotation period rot_per 5.15 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 lower-limit; Incomplete or inconclusive result.
Published Reference List:
[Erasmus, N.; McNeill, A.; Mommert, N.; Trilling, D.E.; et al. (2019) Ap. J. Suppl. Series 242, A15.]

214432 (2005 QA57)          Discovered 2005-Aug-29 by Ory, M. at Vicques
Reference: 20090509/Numbers.arcLast Updated: 2009-05-11

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