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13246 (1998 MJ33)
Classification: Main-belt Asteroid          SPK-ID: 2013246
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1543499941415193 3.4512e-08  
a 2.675368914585331 1.0262e-08 au
q 2.262425738292682 9.2146e-08 au
i 4.739455439659526 3.3132e-06 deg
node 121.7744394873129 4.7382e-05 deg
peri 92.1345931281687 4.8676e-05 deg
M 64.86785617420753 1.083e-05 deg
tp 2458712.494364259393
(2019-Aug-16.99436426)
4.7784e-05 TDB
period 1598.357568472318
4.38
9.1966e-06
2.518e-08
d
yr
n .2252312042693186 1.2959e-09 deg/d
Q 3.08831209087798 1.1846e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1880  
   data-arc span      10911 days (29.87 yr)  
   first obs. used      1990-09-22  
   last obs. used      2020-08-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47137  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 00:41:19  

Additional Information
 Earth MOID = 1.26217 au 
 Jupiter MOID = 1.8922 au 
 T_jup = 3.357 
[ 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 13.8   n/a MPO473946  
diameter diameter 8.923 km 0.066 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 14.0 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:
[Polishook, D.; Ofek, E.O.; Waszczak, A.; Kulkarni, S.R.; et al. (2012). Mon. Not. Royal Ast. Soc. 421, 2094-2108.]
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.073   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

13246 (1998 MJ33)          Discovered 1998-Jun-24 by LINEAR at Socorro
Reference: 20000124/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 MJ33 = 1990 SX4 = 1994 RY22 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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