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4861 Nemirovskij (1987 QU10)
Classification: Main-belt Asteroid          SPK-ID: 2004861
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 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2272990813214399 1.8989e-08  
a 2.887384408812951 1.1953e-08 au
q 2.231084585267918 5.8058e-08 au
i 3.542004980315117 3.6177e-07 deg
node 96.83555775936999 1.1959e-05 deg
peri 233.816524129053 1.1069e-05 deg
M 287.5726710071035 4.4439e-06 deg
tp 2459561.041537223662
(2021-Dec-12.54153722)
2.3425e-05 TDB
period 1792.071517827868
4.91
1.1128e-05
3.047e-08
d
yr
n .2008848399289044 1.2474e-09 deg/d
Q 3.543684232357983 1.467e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2304  
   data-arc span      23734 days (64.98 yr)  
   first obs. used      1956-03-10  
   last obs. used      2021-03-03  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48822  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 16:52:23  

Additional Information
 Earth MOID = 1.22057 au 
 Jupiter MOID = 1.82979 au 
 T_jup = 3.250 
[ 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 13.00   n/a MPCxxxxx  
diameter diameter 6.581 km 0.191 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 6.983 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:
[Chang, C.K.; Ip, W.-H.; Lin, H.-W.; Cheng, Y.C.; et al. (2015) Astrophys. J. Supp. Ser. 219, A27.]
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.339   0.047 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

4861 Nemirovskij (1987 QU10)          Discovered 1987-Aug-27 by Karachkina, L. G. at Nauchnyj
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1987 QU10 = 1977 QB5 = 1982 QF2 = 1982 RB3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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