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120396 (2005 QA112)
Classification: Main-belt Asteroid          SPK-ID: 2120396
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2132818167445028 3.7008e-08  
a 2.411716160670724 6.2669e-09 au
q 1.897340956450795 8.9943e-08 au
i 1.368160643270916 4.1028e-06 deg
node 308.6447526268497 0.00017643 deg
peri 89.7767102656066 0.00017686 deg
M 357.1220978755499 1.0449e-05 deg
tp 2459211.436068861887
(2020-Dec-27.93606886)		 3.9712e-05 TDB
period 1368.005102338737
3.75		 5.3322e-06
1.46e-08		 d
yr
n .2631569132195086 1.0257e-09 deg/d
Q 2.926091364890653 7.6035e-09 au
   Orbit Determination Parameters
   # obs. used (total)      652  
   data-arc span      8064 days (22.08 yr)  
   first obs. used      1998-12-14  
   last obs. used      2021-01-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49392  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 09:24:57  

Additional Information
 Earth MOID = .904502 au 
 Jupiter MOID = 2.50018 au 
 T_jup = 3.487 
[ 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 16.69   n/a E2021B55  

120396 (2005 QA112)          Discovered 2005-Aug-27 by NEAT at Palomar
Reference: 20051116/Numbers.arcLast Updated: 2005-11-21

Alternate Designations
 2005 QA112 = 1998 XG54 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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