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 ]  
91350 (1999 JR53)
Classification: Main-belt Asteroid          SPK-ID: 2091350
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08463991883590566 3.2172e-08  
a 2.457104813236926 1.3157e-08 au
q 2.24913566127324 7.5614e-08 au
i 6.59581203115443 3.3841e-06 deg
node 76.7858819983133 4.7527e-05 deg
peri 172.4932294523746 5.843e-05 deg
M 155.3442589041032 3.5153e-05 deg
tp 2458393.446932953507
(2018-Oct-01.94693295)
0.0001369 TDB
period 1406.805154425729
3.85
1.1299e-05
3.093e-08
d
yr
n .2558989771024512 2.0554e-09 deg/d
Q 2.665073965200613 1.427e-08 au
  Orbit Determination Parameters
   # obs. used (total)      845  
   data-arc span      7563 days (20.71 yr)  
   first obs. used      1999-05-10  
   last obs. used      2020-01-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5461  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 22:28:10  

Additional Information
 Earth MOID = 1.23514 au 
 Jupiter MOID = 2.35082 au 
 T_jup = 3.478 
[ 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 15.4   n/a MPO436410  
diameter diameter 1.948 km 0.518 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.387   0.170 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

91350 (1999 JR53)          Discovered 1999-May-10 by LINEAR at Socorro
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

Alternate Designations
 1999 JR53 = 2000 ST255 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Sep-23 03:02 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin