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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1349648356039351 3.1956e-08  
a 2.424771231162788 7.7382e-09 au
q 2.097512380571751 7.7163e-08 au
i 3.522630065257273 3.9211e-06 deg
node 69.28356993694908 5.0003e-05 deg
peri 19.55556938838022 5.1898e-05 deg
M 241.8537530832208 1.4995e-05 deg
tp 2459849.107777328417
(2022-Sep-26.60777733)
5.8471e-05 TDB
period 1379.128022179174
3.78
6.6018e-06
1.807e-08
d
yr
n .2610345045640943 1.2496e-09 deg/d
Q 2.752030081753825 8.7826e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2232  
   data-arc span      17340 days (47.47 yr)  
   first obs. used      1974-02-16  
   last obs. used      2021-08-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .45086  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 10:10:49  

Additional Information
 Earth MOID = 1.11435 au 
 Jupiter MOID = 2.43053 au 
 T_jup = 3.496 
[ 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 14.22   n/a E2021B10  
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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