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 ]  
46884 (1998 RY16)
Classification: Main-belt Asteroid          SPK-ID: 2046884
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ 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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2065645586241987 4.2679e-08  
a 2.451240237515226 9.6352e-09 au
q 1.944900879771018 1.0398e-07 au
i 3.374312387385157 3.8929e-06 deg
node 108.9066549289906 7.4513e-05 deg
peri 272.1145298512365 7.5332e-05 deg
M 308.6194653606606 1.5059e-05 deg
tp 2459596.566032910397
(2022-Jan-17.06603291)
5.9548e-05 TDB
period 1401.771553241056
3.84
8.265e-06
2.263e-08
d
yr
n .2568178810360638 1.5142e-09 deg/d
Q 2.957579595259435 1.1625e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1268  
   data-arc span      16208 days (44.38 yr)  
   first obs. used      1977-02-19  
   last obs. used      2021-07-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5162  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 14:21:13  

Additional Information
 Earth MOID = .950468 au 
 Jupiter MOID = 2.50708 au 
 T_jup = 3.464 
[ 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 15.15   n/a E2021B10  
rotation period rot_per 10.650 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]

46884 (1998 RY16)          Discovered 1998-Sep-14 by LINEAR at Socorro
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 RY16 = 1977 DU6 = 2000 EQ29 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Jul-30 08:40 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin