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 ]  
85845 (1998 YP16)
Classification: Main-belt Asteroid          SPK-ID: 2085845
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2341975543133934 4.925e-08  
a 2.35186152057704 8.0169e-09 au
q 1.801061304374119 1.1461e-07 au
i 6.191840320776226 3.5653e-06 deg
node 122.4918017162675 4.844e-05 deg
peri 223.1269551500883 4.9314e-05 deg
M 197.9463587271472 9.9237e-06 deg
tp 2459989.524095551126
(2023-Feb-14.02409555)
3.7052e-05 TDB
period 1317.395108937727
3.61
6.736e-06
1.844e-08
d
yr
n .2732665375464189 1.3972e-09 deg/d
Q 2.902661736779962 9.8945e-09 au
  Orbit Determination Parameters
   # obs. used (total)      658  
   data-arc span      8171 days (22.37 yr)  
   first obs. used      1998-12-22  
   last obs. used      2021-05-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50233  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 23:27:09  

Additional Information
 Earth MOID = .798397 au 
 Jupiter MOID = 2.51923 au 
 T_jup = 3.512 
[ 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 16.03   n/a MPCxxxxx  

85845 (1998 YP16)          Discovered 1998-Dec-22 by Spacewatch at Kitt Peak
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

Alternate Designations
 1998 YP16 = 2001 QT282 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Sep-22 05:04 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin