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716 Berkeley (A911 OC)
Classification: Main-belt Asteroid          SPK-ID: 2000716
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 43 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08673751957568462 3.4025e-08  
a 2.811661736462847 9.1742e-09 au
q 2.567785171556197 9.5006e-08 au
i 8.487501995782637 3.3519e-06 deg
node 145.8868467423967 2.3328e-05 deg
peri 56.68801973165409 2.9406e-05 deg
M 178.1561903998016 1.9222e-05 deg
tp 2458348.300157666692
(2018-Aug-17.80015767)
9.074e-05 TDB
period 1722.039198029082
4.71
8.4283e-06
2.308e-08
d
yr
n .2090544747250987 1.0232e-09 deg/d
Q 3.055538301369496 9.97e-09 au
  Orbit Determination Parameters
   # obs. used (total)      3287  
   data-arc span      41823 days (114.51 yr)  
   first obs. used      1906-07-16  
   last obs. used      2021-01-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .40357  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 00:49:08  

Additional Information
 Earth MOID = 1.57679 au 
 Jupiter MOID = 1.93063 au 
 T_jup = 3.299 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456867.5 (2014-Jul-29.0) TDB
Reference: JPL 43 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08475509416778251 3.4231e-08  
q 2.57516180955129 9.5457e-08 au
tp 2456626.557169666387
(2013-Nov-30.05716967)
9.0602e-05 TDB
node 145.9909370984951 2.3353e-05 deg
peri 57.22967936538296 2.9627e-05 deg
i 8.480432594596056 3.3501e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      3287  
   data-arc span      41823 days (114.51 yr)  
   first obs. used      1906-07-16  
   last obs. used      2021-01-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .40357  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 00:49:08  

Additional Information
 Jupiter MOID = 1.93063 au 
 T_jup = 3.299 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.17174969151696E-15 -3.25501226642002E-15 1.311884722495348E-14 -7.362255110333193E-15 -3.155823827897723E-15 4.232255877678299E-16
q -3.25501226642002E-15 9.11211909421718E-15 8.131130968872026E-14 2.170427987521831E-14 3.155197251491351E-14 -6.741955224193862E-16
tp 1.311884722495348E-14 8.131130968872026E-14 8.208658651509278E-9 -7.593635398515385E-12 1.669061833135355E-9 -2.07682296220517E-12
node -7.362255110333193E-15 2.170427987521831E-14 -7.593635398515385E-12 5.45383637005858E-10 -5.404986778989266E-10 1.823205440193628E-11
peri -3.155823827897723E-15 3.155197251491351E-14 1.669061833135355E-9 -5.404986778989266E-10 8.777724467299528E-10 -1.842256671277741E-11
i 4.232255877678299E-16 -6.741955224193862E-16 -2.07682296220517E-12 1.823205440193628E-11 -1.842256671277741E-11 1.122301743984299E-11

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 10.71   n/a E2021B10 IRAS observations used: 3
diameter diameter 19.768 km 0.167 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 15.55 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:
[Garlitz, J. (2011) http://eoni.com/~garlitzj/Period.htm]
geometric albedo albedo 0.170   0.017 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
B-V BV 0.860   0.068 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=2; phase (min.=5.11, mean=5.24, max.=5.37) deg.
U-B UB 0.351   0.068 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=1; phase=5.11 deg.
Tholen spectral type spec_T S   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 2 color indices
SMASSII spectral type spec_B S   n/a EAR-A-5-DDR-TAXONOMY-V4.0 based on a high-resolution spectrum by Xu et al. (1995) or Bus and Binzel (2002)

716 Berkeley (A911 OC)          Discovered 1911-Jul-30 by Palisa, J. at Vienna
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 A911 OC = 1947 CH = 1952 FA = A906 OB 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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