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78426 (2002 QY44)
Classification: Main-belt Asteroid          SPK-ID: 2078426
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1932249947459942 3.1281e-08  
a 2.381233893919815 9.9857e-09 au
q 1.921119987278175 7.555e-08 au
i 2.078797803649338 4.1633e-06 deg
node 333.0033930296289 9.9579e-05 deg
peri 328.0752006937637 0.00010019 deg
M 334.1472790712716 1.2913e-05 deg
tp 2459096.884071408588
(2020-Sep-04.38407141)
4.837e-05 TDB
period 1342.151404594852
3.67
8.4425e-06
2.311e-08
d
yr
n .2682260725336507 1.6872e-09 deg/d
Q 2.841347800561455 1.1915e-08 au
  Orbit Determination Parameters
   # obs. used (total)      787  
   data-arc span      16016 days (43.85 yr)  
   first obs. used      1976-09-16  
   last obs. used      2020-07-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52352  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:26:54  

Additional Information
 Earth MOID = .906012 au 
 Jupiter MOID = 2.38519 au 
 T_jup = 3.512 
[ 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 16.0   n/a MPO432334  

78426 (2002 QY44)          Discovered 2002-Aug-30 by Ametlla de Mar at Ametlla de Mar
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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