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 ]  
249795 (2000 YS44)
Classification: Main-belt Asteroid          SPK-ID: 2249795
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1663974551105382 3.9622e-08  
a 2.318397939592385 1.2356e-08 au
q 1.932622422510697 9.0402e-08 au
i 2.027419141157894 4.6768e-06 deg
node 240.9579502482184 0.00017088 deg
peri 214.6377793451724 0.00017195 deg
M 75.86400974383253 1.8532e-05 deg
tp 2458328.784950942376
(2018-Jul-29.28495094)
6.5855e-05 TDB
period 1289.378428467483
3.53
1.0308e-05
2.822e-08
d
yr
n .2792042987937104 2.2321e-09 deg/d
Q 2.704173456674073 1.4413e-08 au
  Orbit Determination Parameters
   # obs. used (total)      250  
   data-arc span      9233 days (25.28 yr)  
   first obs. used      1994-01-19  
   last obs. used      2019-05-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62267  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 14:22:21  

Additional Information
 Earth MOID = .949888 au 
 Jupiter MOID = 2.46605 au 
 T_jup = 3.560 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456569.5 (2013-Oct-04.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1663523561706169 3.9755e-08  
q 1.933173717235689 9.0776e-08 au
tp 2457040.006918343585
(2015-Jan-17.50691834)
6.4283e-05 TDB
node 241.0293168746917 0.00017094 deg
peri 214.770004436507 0.00017201 deg
i 2.026865938040133 4.6747e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      250  
   data-arc span      9233 days (25.28 yr)  
   first obs. used      1994-01-19  
   last obs. used      2019-05-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62267  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 14:22:21  

Additional Information
 Jupiter MOID = 2.46605 au 
 T_jup = 3.560 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.580421985837505E-15 -3.586191688061635E-15 4.48068916357274E-13 2.553300025134656E-14 1.287623595823697E-13 1.253472417460648E-16
q -3.586191688061635E-15 8.240323307546548E-15 -1.001085826189659E-12 -5.838340235845186E-14 -2.973484801585165E-13 -1.922465445487634E-16
tp 4.48068916357274E-13 -1.001085826189659E-12 4.132345828509077E-9 -4.380294988598512E-11 1.270538399767514E-9 1.459054265456593E-12
node 2.553300025134656E-14 -5.838340235845186E-14 -4.380294988598512E-11 2.92205216608254E-8 -2.92139171651698E-8 -2.157440313919998E-10
peri 1.287623595823697E-13 -2.973484801585165E-13 1.270538399767514E-9 -2.92139171651698E-8 2.958594504908661E-8 2.160054906740453E-10
i 1.253472417460648E-16 -1.922465445487634E-16 1.459054265456593E-12 -2.157440313919998E-10 2.160054906740453E-10 2.185244505575651E-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 17.1   n/a MPO418334  

249795 (2000 YS44)          Discovered 2000-Dec-30 by LINEAR at Socorro
Reference: 20100923/Numbers.arcLast Updated: 2010-09-27

[ show close-approach data ]
Alternate Designations
 2000 YS44 = 2005 EF185 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Jan-25 14:07 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin