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JPL Small-Body Database Browser
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4336 Jasniewicz (1984 QE1)
Classification: Main-belt Asteroid          SPK-ID: 2004336
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2257212358759687 4.9691e-08  
a 2.330979058505974 8.3755e-09 au
q 1.804827584619003 1.189e-07 au
i 7.94806290201117 5.7346e-06 deg
node 348.0774197808878 2.5113e-05 deg
peri 32.8326944881723 2.7446e-05 deg
M 347.6377196898213 1.2734e-05 deg
tp 2459045.137726890885
(2020-Jul-14.63772689)
4.614e-05 TDB
period 1299.888149881805
3.56
7.006e-06
1.918e-08
d
yr
n .2769469050338937 1.4927e-09 deg/d
Q 2.857130532392944 1.0266e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2040  
   data-arc span      15326 days (41.96 yr)  
   first obs. used      1977-09-09  
   last obs. used      2019-08-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44927  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 17:10:46  

Additional Information
 Earth MOID = .812359 au 
 Jupiter MOID = 2.63085 au 
 T_jup = 3.524 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.5   n/a MPO337288  
rotation period rot_per 9.99 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Owings, L.E. (2018) Minor Planet Bull. 45, 227-231.]

4336 Jasniewicz (1984 QE1)          Discovered 1984-Aug-31 by Skiff, B. A. at Flagstaff
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1984 QE1 = 1970 TE = 1977 RR4 = 1977 TD4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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