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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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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.


Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2035532337699456 3.8051e-08  
a 2.409377557344156 6.7749e-09 au
q 1.91894096417402 9.0425e-08 au
i 1.470232181073451 4.7437e-06 deg
node 167.5798903527372 0.0001599 deg
peri 165.7956814382808 0.00016033 deg
M 8.793313249153869 1.1911e-05 deg
tp 2458967.133875827320
(2020-Apr-27.63387583)
4.5141e-05 TDB
period 1366.0157851559
3.74
5.7616e-06
1.577e-08
d
yr
n .2635401463965616 1.1116e-09 deg/d
Q 2.899814150514291 8.154e-09 au
  Orbit Determination Parameters
   # obs. used (total)      739  
   data-arc span      9041 days (24.75 yr)  
   first obs. used      1996-02-15  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54277  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 22:14:20  

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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