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 ]  
120867 (1998 RM2)
Classification: Main-belt Asteroid          SPK-ID: 2120867
[ 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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1795306567418776 4.2707e-08  
a 2.171478856569422 7.6414e-09 au
q 1.781631831348412 9.4851e-08 au
i 4.199136937817078 3.5274e-06 deg
node 61.71114152539526 6.1047e-05 deg
peri 317.2093770681109 6.1908e-05 deg
M 268.9999105230292 1.0503e-05 deg
tp 2459295.941264209699
(2021-Mar-22.44126421)		 3.4889e-05 TDB
period 1168.777478426629
3.20		 6.1694e-06
1.689e-08		 d
yr
n .308014148668077 1.6259e-09 deg/d
Q 2.561325881790431 9.0133e-09 au
   Orbit Determination Parameters
   # obs. used (total)      710  
   data-arc span      7506 days (20.55 yr)  
   first obs. used      1998-09-14  
   last obs. used      2019-04-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58657  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 06:37:21  

Additional Information
 Earth MOID = .786845 au 
 Jupiter MOID = 2.89908 au 
 T_jup = 3.664 
[ 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 16.4   n/a MPO310009  
diameter diameter 3.126 km 0.177 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.060   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

120867 (1998 RM2)          Discovered 1998-Sep-15 by ODAS at Caussols
Reference: 20060314/Numbers.arcLast Updated: 2006-03-23

[ show close-approach data ]
Alternate Designations
 1998 RM2 = 2001 OH30 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Nov-01 02:39 UT
(server date/time)   		NASA Home Page
Site Manager:   Ryan S. Park
Webmaster:   Alan B. Chamberlin