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JPL Small-Body Database Browser
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47780 (2000 EM13)
Classification: Main-belt Asteroid          SPK-ID: 2047780
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05914310605038278 4.0644e-08  
a 2.784910839893695 1.6776e-08 au
q 2.620202562749001 1.1472e-07 au
i 1.957971627490869 4.5085e-06 deg
node 233.3744678872043 0.00012486 deg
peri 6.11564609357653 0.00013057 deg
M 313.3337410733895 3.7287e-05 deg
tp 2458820.547204645235
(2019-Dec-03.04720465)
0.00017555 TDB
period 1697.521838998601
4.65
1.5338e-05
4.199e-08
d
yr
n .2120738547978685 1.9162e-09 deg/d
Q 2.949619117038388 1.7768e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1070  
   data-arc span      10274 days (28.13 yr)  
   first obs. used      1991-03-15  
   last obs. used      2019-05-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54986  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 02:43:33  

Additional Information
 Earth MOID = 1.6076 au 
 Jupiter MOID = 2.04254 au 
 T_jup = 3.328 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.6   n/a MPO279990  
diameter diameter 4.227 km 0.218 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 2.53 h n/a LCDB (Rev. 2019-January); 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:
[Chang, C.K.; Ip, W.-H.; Lin, H.-W.; Cheng, Y.C.; et al. (2015) Astrophys. J. Supp. Ser. 219, A27.]
geometric albedo albedo 0.143   0.021 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

47780 (2000 EM13)          Discovered 2000-Mar-05 by LINEAR at Socorro
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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