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JPL Small-Body Database Browser
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245116 (2004 QY12)
Classification: Main-belt Asteroid          SPK-ID: 2245116
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1062543314594342 4.5571e-08  
a 3.127693505299207 3.9714e-08 au
q 2.795362522883626 1.4759e-07 au
i 10.29219349188936 6.1387e-06 deg
node 76.2741839898312 3.0088e-05 deg
peri 246.0820468163041 4.2787e-05 deg
M 317.6293248667539 3.2589e-05 deg
tp 2459238.292193282037
(2021-Jan-23.79219328)
0.000185 TDB
period 2020.387669356807
5.53
3.8481e-05
1.054e-07
d
yr
n .1781836255784547 3.3938e-09 deg/d
Q 3.460024487714789 4.3934e-08 au
  Orbit Determination Parameters
   # obs. used (total)      310  
   data-arc span      5366 days (14.69 yr)  
   first obs. used      2004-08-21  
   last obs. used      2019-05-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53555  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 19:16:08  

Additional Information
 Earth MOID = 1.80241 au 
 Jupiter MOID = 1.84014 au 
 T_jup = 3.181 
[ 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 15.2   n/a MPO475976  
diameter diameter 3.465 km 0.509 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.122   0.066 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

245116 (2004 QY12)          Discovered 2004-Aug-21 by Siding Spring Survey at Siding Spring
Reference: 20100726/Numbers.arcLast Updated: 2010-07-28

[ show close-approach data ]
Alternate Designations
 2004 QY12 = 2005 VM30 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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