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72564 (2001 EM8)
Classification: Main-belt Asteroid          SPK-ID: 2072564
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03802474734026626 4.0102e-08  
a 2.692105016738217 1.5014e-08 au
q 2.589738403663283 1.1251e-07 au
i 3.011463572595369 4.6918e-06 deg
node 46.45022048085793 7.5494e-05 deg
peri 16.61577080339804 0.00010389 deg
M 275.8744445914853 7.4421e-05 deg
tp 2459577.517810206997
(2021-Dec-29.01781021)
0.00033504 TDB
period 1613.379085765675
4.42
1.3496e-05
3.695e-08
d
yr
n .2231341680180215 1.8666e-09 deg/d
Q 2.794471629813151 1.5584e-08 au
  Orbit Determination Parameters
   # obs. used (total)      588  
   data-arc span      10454 days (28.62 yr)  
   first obs. used      1992-03-04  
   last obs. used      2020-10-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .59256  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 13:02:46  

Additional Information
 Earth MOID = 1.60179 au 
 Jupiter MOID = 2.31377 au 
 T_jup = 3.368 
[ 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 15.52   n/a E2021B10  

72564 (2001 EM8)          Discovered 2001-Mar-02 by LONEOS at Anderson Mesa
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2001 EM8 = 1997 HC2 = 1999 XY48 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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