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4524 Barklajdetolli (1981 RV4)
Classification: Main-belt Asteroid          SPK-ID: 2004524
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1325276708929375 1.4613e-08  
a 2.320425726258682 5.1796e-09 au
q 2.012905109277566 3.3857e-08 au
i 7.286152173182774 5.9429e-07 deg
node 177.1551934745264 6.4458e-06 deg
peri 149.1542120363011 6.6792e-06 deg
M 62.59313954920444 4.5673e-06 deg
tp 2458976.021801044516
(2020-May-06.52180104)
1.631e-05 TDB
period 1291.070430497386
3.53
4.3228e-06
1.184e-08
d
yr
n .2788383898323112 9.3362e-10 deg/d
Q 2.627946343239798 5.866e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2955  
   data-arc span      24623 days (67.41 yr)  
   first obs. used      1953-10-10  
   last obs. used      2021-03-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .42763  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 16:27:46  

Additional Information
 Earth MOID = 1.0038 au 
 Jupiter MOID = 2.70413 au 
 T_jup = 3.556 
[ 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 12.96   n/a E2021B10  
diameter diameter 12.117 km 0.184 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 1069. h n/a LCDB (Rev. 2020-October); 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:
[Pray, D.P.; Durkee, R.I. (2010) Minor Planet Bull. 37, 35.]
geometric albedo albedo 0.100   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

4524 Barklajdetolli (1981 RV4)          Discovered 1981-Sep-08 by Zhuravleva, L. V. at Nauchnyj
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1981 RV4 = 1935 SC1 = 1935 SN = 1973 FH = 1988 RR6 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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