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120323 (2004 MQ2)
Classification: Main-belt Asteroid          SPK-ID: 2120323
[ 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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2237296652568922 5.9147e-08  
a 2.588456549391348 1.6243e-08 au
q 2.009342032064012 1.5727e-07 au
i 1.552201983943528 5.4509e-06 deg
node 179.248010730114 0.00016072 deg
peri 202.6435349084448 0.00016093 deg
M 228.4122885601671 8.6866e-06 deg
tp 2459556.497166939860
(2021-Dec-07.99716694)		 3.8951e-05 TDB
period 1521.106932465119
4.16		 1.4318e-05
3.92e-08		 d
yr
n .2366697516896993 2.2277e-09 deg/d
Q 3.167571066718684 1.9877e-08 au
   Orbit Determination Parameters
   # obs. used (total)      538  
   data-arc span      8632 days (23.63 yr)  
   first obs. used      1996-09-08  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50656  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 20:36:23  

Additional Information
 Earth MOID = 1.01249 au 
 Jupiter MOID = 2.2905 au 
 T_jup = 3.385 
[ 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 MPO266412  

120323 (2004 MQ2)          Discovered 2004-Jun-18 by LINEAR at Socorro
Reference: 20051116/Numbers.arcLast Updated: 2005-11-21

Alternate Designations
 2004 MQ2 = 2002 AJ157 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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