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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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1205678869757311 3.1202e-08  
a 2.350122754923492 8.6032e-09 au
q 2.066773420228783 7.1532e-08 au
i 6.504882485645 3.3953e-06 deg
node 69.1080862376521 3.3663e-05 deg
peri 67.92599325418635 3.789e-05 deg
M 165.5763306193065 1.6961e-05 deg
tp 2458395.256685034545
(2018-Oct-03.75668503)
6.1255e-05 TDB
period 1315.934424761057
3.60
7.226e-06
1.978e-08
d
yr
n .2735698627728867 1.5022e-09 deg/d
Q 2.633472089618202 9.6405e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1437  
   data-arc span      8602 days (23.55 yr)  
   first obs. used      1997-01-11  
   last obs. used      2020-07-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48162  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 04:23:37  

Additional Information
 Earth MOID = 1.09101 au 
 Jupiter MOID = 2.40884 au 
 T_jup = 3.540 
[ 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 14.8   n/a MPO474340  
rotation period rot_per 10.868 h n/a LCDB (Rev. 2019-August); 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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2031-Mar-06 07:33 00:01 Amphi 0.0305695297139036 0.0305666031560887 0.0305724563139216 2.91406195035967 2.91406188582612 2462931.814262768 1.05827546307567 157.232162512782 40.7369861854057 -22.8189830484486 51077.9751837054 T 24 CATAB v2.0f-lin.ifort 2020-Aug-25 04:23:49 2020-Aug-25 04:23

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