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65851 (1997 EM2)
Classification: Main-belt Asteroid          SPK-ID: 2065851
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01764314853833956 6.6435e-08  
a 2.666648538462405 2.1213e-08 au
q 2.619600462198767 1.8122e-07 au
i 10.75661268418991 5.5872e-06 deg
node 303.9944334831077 3.1484e-05 deg
peri 255.2899333997017 0.00015056 deg
M 323.2233598409196 0.00014759 deg
tp 2458762.986261452909
(2019-Oct-06.48626145)
0.00065204 TDB
period 1590.549160282775
4.35
1.8979e-05
5.196e-08
d
yr
n .2263369212278844 2.7008e-09 deg/d
Q 2.713696614726043 2.1588e-08 au
  Orbit Determination Parameters
   # obs. used (total)      621  
   data-arc span      12878 days (35.26 yr)  
   first obs. used      1984-01-25  
   last obs. used      2019-04-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56402  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 05:31:52  

Additional Information
 Earth MOID = 1.6409 au 
 Jupiter MOID = 2.33755 au 
 T_jup = 3.358 
[ 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 15.1   n/a MPO474536  
diameter diameter 2.778 km 0.311 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.275   0.027 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

65851 (1997 EM2)          Discovered 1997-Mar-04 by Galad, A., Pravda, A. at Modra
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1997 EM2 = 1984 BC6 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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