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2400 Derevskaya (1972 KJ)
Classification: Main-belt Asteroid          SPK-ID: 2002400
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 42 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1005971462260346 1.9303e-08  
a 2.999737263313699 1.2846e-08 au
q 2.697972255196446 5.4786e-08 au
i 10.40528575312083 8.6009e-07 deg
node 171.6923601274415 4.3533e-06 deg
peri 137.1858811689731 1.0904e-05 deg
M 78.51678090798094 8.4093e-06 deg
tp 2458786.611615024461
(2019-Oct-30.11161502)
4.3705e-05 TDB
period 1897.681194620254
5.20
1.219e-05
3.337e-08
d
yr
n .1897052049736097 1.2186e-09 deg/d
Q 3.301502271430952 1.4139e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2804  
   data-arc span      17829 days (48.81 yr)  
   first obs. used      1972-05-17  
   last obs. used      2021-03-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .46153  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 13:44:34  

Additional Information
 Earth MOID = 1.69312 au 
 Jupiter MOID = 2.03541 au 
 T_jup = 3.221 
[ 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 12.11   n/a E2021B10  
diameter diameter 13.614 km 2.071 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.166   0.068 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

2400 Derevskaya (1972 KJ)          Discovered 1972-May-17 by Smirnova, T. at Nauchnyj
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1972 KJ = 1978 QX1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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