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 ]  
22998 Waltimyer (1999 VY70)
Classification: Main-belt Asteroid          SPK-ID: 2022998
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1292647093876325 3.8087e-08  
a 3.188362332831374 2.2566e-08 au
q 2.776219602455453 1.184e-07 au
i 2.543405127629855 4.1054e-06 deg
node 90.03333052452061 0.00010211 deg
peri 39.04462283921894 0.00010364 deg
M 192.9622728124962 1.8085e-05 deg
tp 2460165.354891303091
(2023-Aug-08.85489130)
0.00010656 TDB
period 2079.45693896569
5.69
2.2077e-05
6.044e-08
d
yr
n .1731221230188406 1.838e-09 deg/d
Q 3.600505063207295 2.5483e-08 au
  Orbit Determination Parameters
   # obs. used (total)      803  
   data-arc span      9758 days (26.72 yr)  
   first obs. used      1993-10-09  
   last obs. used      2020-06-27  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56896  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 04:15:55  

Additional Information
 Earth MOID = 1.7917 au 
 Jupiter MOID = 1.45168 au 
 T_jup = 3.183 
[ show covariance matrix ]

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 14.54   n/a E2021B10  
diameter diameter 5.860 km 1.492 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 4.944 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.]
geometric albedo albedo 0.089   0.045 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

22998 Waltimyer           Discovered 1999 Nov. 4 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
David Waltimyer mentored a finalist in the 2007 Intel Science Talent Search (STS), a science competition for high school seniors. He teaches at the Ridgefield High School, Ridgefield, Connecticut.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20070303/MPCPages.arcLast Updated: 2010-04-12

[ show close-approach data ]
Alternate Designations
 1999 VY70 = 1993 TL30 = 1996 HV12 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Apr-22 02:41 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin