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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2291224783920441 4.8669e-08  
a 2.352338683347725 1.3395e-08 au
q 1.813365014201616 1.1521e-07 au
i 24.87352678791905 5.3167e-06 deg
node 127.3859920773 1.322e-05 deg
peri 237.0061112643585 1.7145e-05 deg
M 279.7193077507777 1.4331e-05 deg
tp 2458894.371053900525
(2020-Feb-14.87105390)
5.3803e-05 TDB
period 1317.796053324563
3.61
1.1256e-05
3.082e-08
d
yr
n .273183395178476 2.3334e-09 deg/d
Q 2.891312352493833 1.6464e-08 au
  Orbit Determination Parameters
   # obs. used (total)      949  
   data-arc span      9020 days (24.70 yr)  
   first obs. used      1994-08-28  
   last obs. used      2019-05-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5019  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 03:29:01  

Additional Information
 Earth MOID = .888507 au 
 Jupiter MOID = 2.68528 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 14.3   n/a MPO435957  
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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