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

Significant website upgrade scheduled for September 27. More details available here.

JPL Small-Body Database Browser
Search: [ help ]  
90989 (1997 YP)
Classification: Main-belt Asteroid          SPK-ID: 2090989
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1768808347139811 4.0203e-08  
a 2.459684649100695 8.1412e-09 au
q 2.024613575234598 9.9375e-08 au
i 2.232848938351058 3.2611e-06 deg
node 110.8716524938142 0.00011812 deg
peri 325.8826730266847 0.00011922 deg
M 50.32525782047705 1.3519e-05 deg
tp 2459199.529548388285
(2020-Dec-16.02954839)
5.3091e-05 TDB
period 1409.021347355417
3.86
6.9955e-06
1.915e-08
d
yr
n .2554964839075586 1.2685e-09 deg/d
Q 2.894755722966792 9.5812e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1034  
   data-arc span      8538 days (23.38 yr)  
   first obs. used      1997-12-20  
   last obs. used      2021-05-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51622  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 10:53:09  

Additional Information
 Earth MOID = 1.04028 au 
 Jupiter MOID = 2.35925 au 
 T_jup = 3.468 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.97   n/a MPCxxxxx  

90989 (1997 YP)          Discovered 1997-Dec-20 by Kobayashi, T. at Oizumi
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Sep-19 21:39 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin