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46685 (1997 AG13)
Classification: Main-belt Asteroid          SPK-ID: 2046685
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 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1205678874316392 3.1164e-08  
a 2.350122754883799 8.473e-09 au
q 2.066773419122436 7.137e-08 au
i 6.504881414878371 3.1306e-06 deg
node 69.10809158718394 3.297e-05 deg
peri 67.92598845071899 3.6474e-05 deg
M 165.5763301817591 1.5767e-05 deg
tp 2458395.256686649278
(2018-Oct-03.75668665)
5.6601e-05 TDB
period 1315.934424727719
3.60
7.1166e-06
1.948e-08
d
yr
n .2735698627798174 1.4795e-09 deg/d
Q 2.633472090645163 9.4945e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1511  
   data-arc span      8703 days (23.83 yr)  
   first obs. used      1997-01-11  
   last obs. used      2020-11-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4789  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 03:48:07  

Additional Information
 Earth MOID = 1.09101 au 
 Jupiter MOID = 2.40884 au 
 T_jup = 3.540 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457472.5 (2016-Mar-25.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1206463541699493 3.0972e-08  
q 2.065494969716495 7.0831e-08 au
tp 2457078.188113285952
(2015-Feb-24.68811329)
5.4938e-05 TDB
node 69.13803642113777 3.2933e-05 deg
peri 67.39723425517735 3.6486e-05 deg
i 6.509528410590142 3.1336e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1511  
   data-arc span      8703 days (23.83 yr)  
   first obs. used      1997-01-11  
   last obs. used      2020-11-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4789  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 03:48:07  

Additional Information
 Jupiter MOID = 2.40884 au 
 T_jup = 3.540 
Orbit Covariance (6×6)
  e q tp node peri i
e 9.592679492495309E-16 -2.182922729128812E-15 6.126963968910195E-13 3.745682879019289E-16 1.751175913800995E-13 -5.583013031378837E-16
q -2.182922729128812E-15 5.017077979597386E-15 -1.356891697908574E-12 -5.547766338956388E-16 -3.843570962837436E-13 1.368360487779467E-15
tp 6.126963968910195E-13 -1.356891697908574E-12 3.018165747060019E-9 -1.050077205581349E-11 8.780079826606768E-10 6.314227320134156E-14
node 3.745682879019289E-16 -5.547766338956388E-16 -1.050077205581349E-11 1.084613524502993E-9 -1.080268434227781E-9 -2.828052793353259E-11
peri 1.751175913800995E-13 -3.843570962837436E-13 8.780079826606768E-10 -1.080268434227781E-9 1.331261025104526E-9 2.811496527537433E-11
i -5.583013031378837E-16 1.368360487779467E-15 6.314227320134156E-14 -2.828052793353259E-11 2.811496527537433E-11 9.819573859260865E-12

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 14.8   n/a MPO474340  
rotation period rot_per 10.868 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]

46685 (1997 AG13)          Discovered 1997-Jan-11 by Kobayashi, T. at Oizumi
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1997 AG13 = 1999 RY43 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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