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4042 Okhotsk (1989 AT1)
Classification: Main-belt Asteroid          SPK-ID: 2004042
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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1362556796009353 3.3674e-08  
a 2.42244047065395 7.9078e-09 au
q 2.092369198032187 8.1013e-08 au
i 3.525880268567037 4.1417e-06 deg
node 69.32961457927516 5.2235e-05 deg
peri 19.4465519474212 5.4141e-05 deg
M 138.5249550415368 1.4942e-05 deg
tp 2458470.588171048609
(2018-Dec-18.08817105)
5.617e-05 TDB
period 1377.140013258252
3.77
6.7433e-06
1.846e-08
d
yr
n .2614113282121953 1.28e-09 deg/d
Q 2.752511743275714 8.9853e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2068  
   data-arc span      16922 days (46.33 yr)  
   first obs. used      1974-02-16  
   last obs. used      2020-06-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45597  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 16:04:50  

Additional Information
 Earth MOID = 1.10918 au 
 Jupiter MOID = 2.43105 au 
 T_jup = 3.497 
[ 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 14.2   n/a MPO421670  
diameter diameter 8.593 km 0.030 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.070   0.014 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

4042 Okhotsk (1989 AT1)          Discovered 1989-Jan-15 by Endate, K. and Watanabe, K. at Kitami
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1989 AT1 = 1974 DV = 1980 TO12 = 1984 YK1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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