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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2034982194286009 3.6872e-08  
a 2.409875784566813 6.6041e-09 au
q 1.919470353363364 8.7414e-08 au
i 1.470228461870629 4.395e-06 deg
node 167.5707868556353 0.00015807 deg
peri 165.8843837426901 0.0001585 deg
M 113.0732318039707 1.2064e-05 deg
tp 2458967.311854575068
(2020-Apr-27.81185458)
4.5088e-05 TDB
period 1366.439517894363
3.74
5.6169e-06
1.538e-08
d
yr
n .2634584226272581 1.083e-09 deg/d
Q 2.900281215770263 7.948e-09 au
  Orbit Determination Parameters
   # obs. used (total)      789  
   data-arc span      9101 days (24.92 yr)  
   first obs. used      1996-02-15  
   last obs. used      2021-01-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53486  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 10:50:58  

Additional Information
 Earth MOID = .908568 au 
 Jupiter MOID = 2.47025 au 
 T_jup = 3.491 
[ 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 16.42   n/a MPCxxxxx  

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

Alternate Designations
 1997 MQ2 = 2000 EF25 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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