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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 ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 44 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08673751822318405 3.4014e-08  
a 2.8116617343099 9.1544e-09 au
q 2.567785173392766 9.4987e-08 au
i 8.487501718154597 3.3349e-06 deg
node 145.8868472163547 2.3319e-05 deg
peri 56.68802079707338 2.9361e-05 deg
M 178.1561895052557 1.9187e-05 deg
tp 2458348.300162924521
(2018-Aug-17.80016292)
9.0554e-05 TDB
period 1722.039196051181
4.71
8.4101e-06
2.303e-08
d
yr
n .2090544749652146 1.021e-09 deg/d
Q 3.055538295227034 9.9484e-09 au
  Orbit Determination Parameters
   # obs. used (total)      3325  
   data-arc span      41857 days (114.60 yr)  
   first obs. used      1906-07-16  
   last obs. used      2021-02-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .40505  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 11:20:05  

Additional Information
 Earth MOID = 1.57679 au 
 Jupiter MOID = 1.93063 au 
 T_jup = 3.299 
[ 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 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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