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46816 (1998 MR13)
Classification: Main-belt Asteroid          SPK-ID: 2046816
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 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2066473057429402 3.3174e-08  
a 2.342453713382081 8.0651e-09 au
q 1.858391964684129 7.5083e-08 au
i 12.29866480895962 3.4069e-06 deg
node 265.2319241105807 2.3255e-05 deg
peri 31.39183864914841 2.6753e-05 deg
M 81.69501556630243 1.3776e-05 deg
tp 2458903.334756419609
(2020-Feb-23.83475642)
4.9714e-05 TDB
period 1309.498345123857
3.59
6.7629e-06
1.852e-08
d
yr
n .2749144367692575 1.4198e-09 deg/d
Q 2.826515462080033 9.7317e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1578  
   data-arc span      8244 days (22.57 yr)  
   first obs. used      1998-06-24  
   last obs. used      2021-01-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .46873  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 09:52:37  

Additional Information
 Earth MOID = .851168 au 
 Jupiter MOID = 2.38293 au 
 T_jup = 3.504 
[ 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 14.84   n/a MPCxxxxx  
diameter diameter 4.297 km 1.043 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)  
rotation period rot_per 12.4986 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:
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]
geometric albedo albedo 0.098   0.063 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)  

46816 (1998 MR13)          Discovered 1998-Jun-24 by LINEAR at Socorro
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 MR13 = 1999 YU24 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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