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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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456295.5 (2013-Jan-03.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2070761080943853 5.2967e-08  
q 1.857266174319716 1.2743e-07 au
tp 2456282.023872123068
(2012-Dec-20.52387212)
4.9224e-05 TDB
node 265.3389372986683 2.6125e-05 deg
peri 30.95270118129584 2.8879e-05 deg
i 12.31555978467509 5.1865e-06 deg
  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
 Jupiter MOID = 2.38312 au 
 T_jup = 3.504 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.805528365615189E-15 -6.733633761948243E-15 -5.765677200330244E-15 9.184283589214385E-15 7.82632474996832E-14 4.186641151745665E-16
q -6.733633761948243E-15 1.623900781009454E-14 6.841832690873601E-14 -2.171449632140728E-14 -1.767883555460707E-13 1.150901580714099E-16
tp -5.765677200330244E-15 6.841832690873601E-14 2.422976554489803E-9 2.85858580071923E-12 6.348842501436175E-10 6.707353765752184E-12
node 9.184283589214385E-15 -2.171449632140728E-14 2.85858580071923E-12 6.825250153017964E-10 -6.650957490310544E-10 1.208725858722816E-11
peri 7.82632474996832E-14 -1.767883555460707E-13 6.348842501436175E-10 -6.650957490310544E-10 8.339940283720507E-10 -1.015493184374745E-11
i 4.186641151745665E-16 1.150901580714099E-16 6.707353765752184E-12 1.208725858722816E-11 -1.015493184374745E-11 2.689940223430363E-11

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

[ 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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