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 ]  
27957 (1997 RV8)
Classification: Main-belt Asteroid          SPK-ID: 2027957
[ 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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1896132790532588 4.4764e-08  
a 2.482113046626502 1.3915e-08 au
q 2.011471452874777 1.1275e-07 au
i 5.402637935172989 5.4292e-06 deg
node 36.25855254630249 4.87e-05 deg
peri 297.4913847971371 5.1943e-05 deg
M 312.9850823857128 2.5447e-05 deg
tp 2459187.036550569253
(2020-Dec-03.53655057)		 0.00010211 TDB
period 1428.337251505126
3.91		 1.2011e-05
3.288e-08		 d
yr
n .2520413156071132 2.1195e-09 deg/d
Q 2.952754640378227 1.6554e-08 au
   Orbit Determination Parameters
   # obs. used (total)      1359  
   data-arc span      8273 days (22.65 yr)  
   first obs. used      1997-09-01  
   last obs. used      2020-04-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53444  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 06:24:43  

Additional Information
 Earth MOID = 1.00865 au 
 Jupiter MOID = 2.43576 au 
 T_jup = 3.447 
[ 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 14.2   n/a MPO337494  
diameter diameter 2.850 km 0.512 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.498   0.248 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

27957 (1997 RV8)          Discovered 1997-Sep-12 by Beijing Schmidt CCD Asteroid Program at Xinglong
Reference: 20010902/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1997 RV8 = 1999 CS22 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-May-30 16:21 UT
(server date/time)   		NASA Home Page
Site Manager:   Ryan S. Park
Webmaster:   Alan B. Chamberlin