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27842 (1994 QJ)
Classification: Main-belt Asteroid          SPK-ID: 2027842
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 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2288956405329523 4.4659e-08  
a 2.351533146660268 1.187e-08 au
q 1.813277460820997 1.0757e-07 au
i 24.8798550823203 5.1865e-06 deg
node 127.3777177783732 1.2073e-05 deg
peri 237.0839888975166 1.6275e-05 deg
M 28.95616502413496 1.3808e-05 deg
tp 2458894.559107724523
(2020-Feb-15.05910772)
5.0146e-05 TDB
period 1317.119210620016
3.61
9.9727e-06
2.73e-08
d
yr
n .2733237789695095 2.0695e-09 deg/d
Q 2.889788832499539 1.4587e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1109  
   data-arc span      9209 days (25.21 yr)  
   first obs. used      1994-08-28  
   last obs. used      2019-11-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4776  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 01:11:19  

Additional Information
 Earth MOID = .889451 au 
 Jupiter MOID = 2.69043 au 
 T_jup = 3.400 
[ 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 14.4   n/a MPO493036  
diameter diameter 5.368 km 0.059 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.140   0.023 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

27842 (1994 QJ)          Discovered 1994-Aug-28 by McNaught, R. H. at Siding Spring
Reference: 20010902/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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