Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
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 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1362556801538781 3.3643e-08  
a 2.42244047037146 7.8609e-09 au
q 2.092369196448716 8.0902e-08 au
i 3.525880133816197 4.1383e-06 deg
node 69.32962248291865 5.0796e-05 deg
peri 19.44654471450789 5.2709e-05 deg
M 138.5249546527597 1.4889e-05 deg
tp 2458470.588172628525
(2018-Dec-18.08817263)
5.5937e-05 TDB
period 1377.140013017362
3.77
6.7033e-06
1.835e-08
d
yr
n .2614113282579216 1.2724e-09 deg/d
Q 2.752511744294204 8.932e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2121  
   data-arc span      16975 days (46.48 yr)  
   first obs. used      1974-02-16  
   last obs. used      2020-08-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45511  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 03:54:58  

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 ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Nov-26 17:30 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin