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 ]  
21735 Nissaschmidt (1999 RV146)
Classification: Main-belt Asteroid          SPK-ID: 2021735
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .121732295457982 3.1234e-08  
a 2.354161966105758 7.8764e-09 au
q 2.067584426091828 7.5948e-08 au
i 6.302029524194701 3.4072e-06 deg
node 289.7483445676345 3.256e-05 deg
peri 5.779755826660201 3.5845e-05 deg
M 357.6201126372598 1.522e-05 deg
tp 2459209.221814335102
(2020-Dec-25.72181434)
5.5784e-05 TDB
period 1319.328473185122
3.61
6.6212e-06
1.813e-08
d
yr
n .2728660885570735 1.3694e-09 deg/d
Q 2.640739506119687 8.8352e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1566  
   data-arc span      9720 days (26.61 yr)  
   first obs. used      1994-01-11  
   last obs. used      2020-08-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47932  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 01:55:15  

Additional Information
 Earth MOID = 1.0497 au 
 Jupiter MOID = 2.53067 au 
 T_jup = 3.537 
[ 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 14.70   n/a E2021B10  
diameter diameter 3.012 km 0.209 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.338   0.097 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

21735 Nissaschmidt           Discovered 1999 Sept. 9 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Nissa Leigh Schmidt (b. 1987) was awarded second place in the 2005 Intel International Science and Engineering Fair for her behavioral and social sciences project. She attends the Merino High School, Merino, Colorado, U.S.A.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20050822/MPCPages.arcLast Updated: 2005-08-26
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Apr-13 06:14 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin