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JPL Small-Body Database Browser
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4623 Obraztsova (1981 UT15)
Classification: Main-belt Asteroid          SPK-ID: 2004623
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07762651461024281 4.5061e-08  
a 2.847537754161541 1.1922e-08 au
q 2.626493323084902 1.3086e-07 au
i 1.736755472098771 4.8187e-06 deg
node 3.851243949191745 0.0001024 deg
peri 1.94253534050848 0.00010473 deg
M 48.12355186916746 2.0756e-05 deg
tp 2458765.883886431271
(2019-Oct-09.38388643)
0.00010137 TDB
period 1755.103220858819
4.81
1.1023e-05
3.018e-08
d
yr
n .2051161411599725 1.2882e-09 deg/d
Q 3.06858218523818 1.2848e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2262  
   data-arc span      15807 days (43.28 yr)  
   first obs. used      1976-10-24  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45909  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 17:17:32  

Additional Information
 Earth MOID = 1.62453 au 
 Jupiter MOID = 2.32364 au 
 T_jup = 3.302 
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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 12.6   n/a MPO416761  

4623 Obraztsova (1981 UT15)          Discovered 1981-Oct-24 by Chernykh, L. I. at Nauchnyj
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1981 UT15 = 1976 UD2 = 1981 UV5 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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