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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .206769197290294 5.2927e-08  
a 2.342638954708787 1.1833e-08 au
q 1.858253378502678 1.2731e-07 au
i 12.29872789074133 5.181e-06 deg
node 265.2319797402204 2.6186e-05 deg
peri 31.39077010152676 2.8933e-05 deg
M 26.70402447356937 1.5228e-05 deg
tp 2458903.352711254737
(2020-Feb-23.85271125)
5.5059e-05 TDB
period 1309.653680961442
3.59
9.9229e-06
2.717e-08
d
yr
n .274881829626682 2.0827e-09 deg/d
Q 2.827024530914896 1.428e-08 au
  Orbit Determination Parameters
   # obs. used (total)      962  
   data-arc span      7626 days (20.88 yr)  
   first obs. used      1998-06-24  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51988  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 04:34:20  

Additional Information
 Earth MOID = .852939 au 
 Jupiter MOID = 2.38312 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 14.7   n/a MPO333226  
diameter diameter 4.297 km 1.043 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)  
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

[ 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
2153-May-24 18:37 < 00:01 Eunom 0.0189464491674362 0.0189446039945239 0.0189483234781383 5.52956439409506 5.52956426010421 2507571.275917181 0.428055000703219 1318.192083161 42.155735745055 86.4063218832135 67064.018101939 T 23 CATAB v2.0e-lin.ifort 2019-May-30 04:34:25 2019-May-30 04:34

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