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
IMPORTANT: The SSD Announcement email list is now available. Major changes are coming in the near future, including possible hostname and/or URL changes. To be notified of such changes, subscribe to this email list.

Please visit this page for more details.


JPL Small-Body Database Browser
Search: [ help ]  
26996 (1997 YH3)
Classification: Main-belt Asteroid          SPK-ID: 2026996
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1719036122477443 5.0862e-08  
a 2.597255510392126 1.0394e-08 au
q 2.150777906225361 1.2911e-07 au
i 2.093787763270336 4.0504e-06 deg
node 324.0034512055443 0.00013438 deg
peri 33.38518215194208 0.000135 deg
M 71.41078814915825 1.3641e-05 deg
tp 2458297.228382929075
(2018-Jun-27.72838293)
5.7463e-05 TDB
period 1528.869586448051
4.19
9.1775e-06
2.513e-08
d
yr
n .2354680890973642 1.4135e-09 deg/d
Q 3.043733114558891 1.2181e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1325  
   data-arc span      8035 days (22.00 yr)  
   first obs. used      1997-10-30  
   last obs. used      2019-10-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54813  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 04:57:03  

Additional Information
 Earth MOID = 1.14614 au 
 Jupiter MOID = 2.40059 au 
 T_jup = 3.394 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456106.5 (2012-Jun-28.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1718772839261309 5.0795e-08  
q 2.150657640478893 1.2892e-07 au
tp 2456763.126605106953
(2014-Apr-15.62660511)
5.5882e-05 TDB
node 324.2087704450418 0.00013368 deg
peri 32.21948681235788 0.00013432 deg
i 2.101612770171679 4.0562e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1325  
   data-arc span      8035 days (22.00 yr)  
   first obs. used      1997-10-30  
   last obs. used      2019-10-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54813  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 04:57:03  

Additional Information
 Jupiter MOID = 2.40059 au 
 T_jup = 3.394 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.580154015918008E-15 -6.536109209397852E-15 8.189993299136948E-13 4.508411034252751E-16 7.10371180261639E-14 -1.353525356116176E-15
q -6.536109209397852E-15 1.662010762587602E-14 -2.062207964583244E-12 -7.888390037175452E-16 -1.826823179146969E-13 3.460917411212117E-15
tp 8.189993299136948E-13 -2.062207964583244E-12 3.122777778018973E-9 -1.27605766192836E-11 7.489164414025504E-10 -1.807789424418645E-12
node 4.508411034252751E-16 -7.888390037175452E-16 -1.27605766192836E-11 1.787022479130363E-8 -1.78609642059958E-8 4.01048234603373E-11
peri 7.10371180261639E-14 -1.826823179146969E-13 7.489164414025504E-10 -1.78609642059958E-8 1.804212285184733E-8 -4.046635052521863E-11
i -1.353525356116176E-15 3.460917411212117E-15 -1.807789424418645E-12 4.01048234603373E-11 -4.046635052521863E-11 1.645312750164913E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.5   n/a MPO459045  

26996 (1997 YH3)          Discovered 1997-Dec-16 by Beijing Schmidt CCD Asteroid Program at Xinglong
Reference: 20010804/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1997 YH3 = 1999 CQ29 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2019-Dec-16 08:24 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin