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
IMPORTANT: The SSD Announcement email list is now available. Major changes are coming in the near future, including possible hostname and/or URL changes. To be notified of such changes, subscribe to this email list.

Please visit this page for more details.


JPL Small-Body Database Browser
Search: [ help ]  
91528 (1999 RV191)
Classification: Main-belt Asteroid          SPK-ID: 2091528
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07626003708761279 7.5313e-08  
a 2.78723417685088 2.3147e-08 au
q 2.57467959515237 2.2296e-07 au
i 25.306536858374 5.8639e-06 deg
node 354.4768318525979 1.0581e-05 deg
peri 199.2275464156872 3.6822e-05 deg
M 306.0639774545783 3.8996e-05 deg
tp 2459255.144928254204
(2021-Feb-09.64492825)
0.00018559 TDB
period 1699.646541313141
4.65
2.1172e-05
5.797e-08
d
yr
n .211808744494526 2.6385e-09 deg/d
Q 2.99978875854939 2.4912e-08 au
  Orbit Determination Parameters
   # obs. used (total)      882  
   data-arc span      7453 days (20.41 yr)  
   first obs. used      1999-09-08  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55264  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 22:32:48  

Additional Information
 Earth MOID = 1.58417 au 
 Jupiter MOID = 1.98035 au 
 T_jup = 3.186 
[ 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 14.4   n/a MPO381848  
diameter diameter 4.336 km 0.103 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.215   0.024 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

91528 (1999 RV191)          Discovered 1999-Sep-11 by LINEAR at Socorro
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

[ show close-approach data ]
Alternate Designations
 1999 RV191 = 2002 AP89 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Feb-26 05:12 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin