Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
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 ]

[ hide orbit diagram ]

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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 45 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1461759537963338 2.1583e-08  
a 3.122888331187266 1.6553e-08 au
q 2.666397150776526 6.9405e-08 au
i 10.11312186843158 1.2238e-06 deg
node 312.2426428756576 2.1417e-06 deg
peri 18.57960112334786 7.813e-06 deg
M 159.6842831470558 1.1067e-05 deg
tp 2458502.386233879731
(2019-Jan-18.88623388)
5.9537e-05 TDB
period 2015.733480212774
5.52
1.6027e-05
4.388e-08
d
yr
n .1785950392419932 1.42e-09 deg/d
Q 3.579379511598006 1.8973e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2443  
   data-arc span      16191 days (44.33 yr)  
   first obs. used      1977-01-12  
   last obs. used      2021-05-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .44098  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 14:06:52  

Additional Information
 Earth MOID = 1.65662 au 
 Jupiter MOID = 1.77187 au 
 T_jup = 3.175 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457535.5 (2016-May-27.0) TDB
Reference: JPL 45 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1481463096134459 2.1786e-08  
q 2.660538227611856 7.0289e-08 au
tp 2458494.727099153064
(2019-Jan-11.22709915)
5.9064e-05 TDB
node 312.6033547121169 2.1197e-06 deg
peri 17.02643682960863 7.7279e-06 deg
i 10.14298134250254 1.2281e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2443  
   data-arc span      16191 days (44.33 yr)  
   first obs. used      1977-01-12  
   last obs. used      2021-05-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .44098  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 14:06:52  

Additional Information
 Jupiter MOID = 1.77187 au 
 T_jup = 3.175 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.746482460538795E-16 -1.500471517781302E-15 8.394625247057096E-13 -2.543199437335381E-15 1.05875692691276E-13 5.512135688113967E-15
q -1.500471517781302E-15 4.940584568944929E-15 -2.390307591476989E-12 7.836697946376259E-15 -3.156477142756679E-13 -1.651896883606891E-14
tp 8.394625247057096E-13 -2.390307591476989E-12 3.488571361438544E-9 6.942323994171138E-12 4.381747900945395E-10 6.8984038401033E-12
node -2.543199437335381E-15 7.836697946376259E-15 6.942323994171138E-12 4.493160003808191E-12 -2.696242205854974E-12 2.012663060214528E-12
peri 1.05875692691276E-13 -3.156477142756679E-13 4.381747900945395E-10 -2.696242205854974E-12 5.972112774001773E-11 -1.215560889210462E-12
i 5.512135688113967E-15 -1.651896883606891E-14 6.8984038401033E-12 2.012663060214528E-12 -1.215560889210462E-12 1.50825760941986E-12

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 12.49   n/a E2021B10  
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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1945-Jan-23 11:43 00:02 Jupiter 1.97800502611672 1.97800418091467 1.97800587133439 3.03609656187401 2.89161565925455 2431478.988313250 1.69462405278673 294.399612211685 6.75484192027434 -81.5142654169227 7477672.79875787 T 45 CATAB v2.0g-lin.ifort 2021-Jul-08 14:08:05 2021-Jul-08 14:08
1955-Apr-19 06:38 00:01 Jupiter 1.76332687981308 1.76332672146912 1.76332703815875 3.32617069649041 3.17847477957178 2435216.776076532 1.35584308882936 130.756296446982 5.2090069052462 -87.859042524187 11844674.2007714 T 45 CATAB v2.0g-lin.ifort 2021-Jul-08 14:08:05 2021-Jul-08 14:08
2027-Feb-14 09:00 < 00:01 Jupiter 1.78863847917996 1.78863831037945 1.78863864798109 3.24487321047832 3.0954947722474 2461450.875025151 0.290327997077729 72.5126850344181 3.62465932186026 -84.7108417140652 9784770.95506528 T 45 CATAB v2.0g-lin.ifort 2021-Jul-08 14:08:05 2021-Jul-08 14:08
2037-May-06 03:36 < 00:01 Jupiter 1.90832662340693 1.90832634846073 1.90832689835335 3.4017256233865 3.268642671436 2465184.650188207 0.577601923970815 38.2681296592531 6.31759980242264 -72.4066450397962 12495530.80302 T 45 CATAB v2.0g-lin.ifort 2021-Jul-08 14:08:05 2021-Jul-08 14:08
2098-Dec-17 17:13 00:02 Jupiter 1.89452410305575 1.89452334469289 1.89452486143337 3.01234885693977 2.86008145356902 2487690.217278280 1.97447832334237 283.316669031178 9.21055390394208 -81.6804661338909 7684881.89698872 T 45 CATAB v2.0g-lin.ifort 2021-Jul-08 14:08:05 2021-Jul-08 14:08
2109-Mar-14 15:18 00:02 Jupiter 1.79676152572937 1.79676099317298 1.79676205829434 3.40278036914942 3.26130063287652 2491429.137502939 2.20056341814727 205.491840607603 4.09865044287743 -82.9715916666216 12928212.4717003 T 45 CATAB v2.0g-lin.ifort 2021-Jul-08 14:08:05 2021-Jul-08 14:08
2181-Jan-11 03:17 00:04 Jupiter 1.77346425411014 1.77346403290553 1.77346447532232 3.3080013899699 3.1603251685578 2517664.636730867 3.78082671040703 282.685411353133 8.62101663630809 87.5437967349198 10605951.7604415 T 45 CATAB v2.0g-lin.ifort 2021-Jul-08 14:08:05 2021-Jul-08 14:08
2191-Mar-30 01:45 00:04 Jupiter 1.99464949459338 1.99464763484237 1.99465135435345 3.6411321006429 3.52257695239689 2521394.572683756 4.32040313487767 236.651056848961 7.94496155606129 -68.3546667511942 10085568.7688264 T 45 CATAB v2.0g-lin.ifort 2021-Jul-08 14:08:05 2021-Jul-08 14:08
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Aug-04 22:55 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin