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85477 (1997 MQ2)
Classification: Main-belt Asteroid          SPK-ID: 2085477
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2035532144306256 4.9765e-08  
a 2.409377560828005 8.7681e-09 au
q 1.918941013544445 1.2187e-07 au
i 1.470234075751511 5.7365e-06 deg
node 167.5798746232629 0.00016542 deg
peri 165.7956965163186 0.00016585 deg
M 8.793311620328941 1.2157e-05 deg
tp 2458967.133881935509
(2020-Apr-27.63388194)
4.6054e-05 TDB
period 1366.015788118695
3.74
7.4567e-06
2.042e-08
d
yr
n .2635401458249612 1.4386e-09 deg/d
Q 2.899814108111566 1.0553e-08 au
  Orbit Determination Parameters
   # obs. used (total)      581  
   data-arc span      8930 days (24.45 yr)  
   first obs. used      1996-02-15  
   last obs. used      2020-07-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57679  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 07:55:56  

Additional Information
 Earth MOID = .908788 au 
 Jupiter MOID = 2.47061 au 
 T_jup = 3.492 
[ 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 16.3   n/a MPO474740  

85477 (1997 MQ2)          Discovered 1997-Jun-28 by LINEAR at Socorro
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

[ show close-approach data ]
Alternate Designations
 1997 MQ2 = 2000 EF25 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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