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JPL Small-Body Database Browser
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3696 Herald (1980 OF)
Classification: Main-belt Asteroid          SPK-ID: 2003696
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1461383180458154 4.5514e-08  
a 3.122030676791606 1.8894e-08 au
q 2.665782364797842 1.3962e-07 au
i 10.11305961201221 4.64e-06 deg
node 312.2439388900154 2.5718e-05 deg
peri 18.4328406748591 2.9528e-05 deg
M 89.12653000715606 1.5438e-05 deg
tp 2458501.662982963185
(2019-Jan-18.16298296)
8.6012e-05 TDB
period 2014.903150822033
5.52
1.8291e-05
5.008e-08
d
yr
n .1786686371764958 1.6219e-09 deg/d
Q 3.57827898878537 2.1655e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1964  
   data-arc span      15729 days (43.06 yr)  
   first obs. used      1977-01-12  
   last obs. used      2020-02-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46873  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 16:53:38  

Additional Information
 Earth MOID = 1.65668 au 
 Jupiter MOID = 1.77279 au 
 T_jup = 3.175 
[ 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 12.4   n/a MPO358664  
diameter diameter 16.300 km 0.332 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.088   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

3696 Herald (1980 OF)          Discovered 1980-Jul-17 by Bowell, E. at Flagstaff (AM)
Discovered at the Anderson Mesa station, which is operated by the Lowell Observatory.
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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