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4528 Berg (1983 PP)
Classification: Main-belt Asteroid          SPK-ID: 2004528
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .136194135567049 3.0092e-08  
a 2.550090382174282 1.1047e-08 au
q 2.20278302695621 7.7869e-08 au
i 8.712205490509289 5.0356e-06 deg
node 161.350607676848 2.8798e-05 deg
peri 316.3586591100092 3.738e-05 deg
M 241.2249921073964 2.2686e-05 deg
tp 2459491.243271743445
(2021-Oct-03.74327174)
9.368e-05 TDB
period 1487.41373258744
4.07
9.6652e-06
2.646e-08
d
yr
n .2420308432770482 1.5727e-09 deg/d
Q 2.897397737392354 1.2551e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2194  
   data-arc span      19983 days (54.71 yr)  
   first obs. used      1965-02-28  
   last obs. used      2019-11-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44813  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 17:15:22  

Additional Information
 Earth MOID = 1.22746 au 
 Jupiter MOID = 2.19241 au 
 T_jup = 3.412 
[ 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 12.1   n/a MPO347559  
diameter diameter 9.356 km 0.116 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 3.5163 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:
[Behrend, R. (2006) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Stecher, G.; Ford, L.; Bluem, J.; Smith, B.; Fahey, S. (2015) Minor Planet Bull. 42, 148.]
[Polakis, T. (2018) Minor Planet Bull. 45, 269-273.]
geometric albedo albedo 0.292   0.043 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  

4528 Berg (1983 PP)          Discovered 1983-Aug-13 by Bowell, E. at Flagstaff
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1983 PP = 1978 NB4 = 1979 SU3 = 1981 DX3 = 1988 VF7 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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