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 ]  
118787 (2000 RA99)
Classification: Main-belt Asteroid          SPK-ID: 2118787
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2074698555571679 3.9247e-08  
a 2.670935593078127 1.3947e-08 au
q 2.116796971379709 1.044e-07 au
i 12.91705315248719 4.9394e-06 deg
node 274.8579106858776 2.0928e-05 deg
peri 176.1502574700669 2.4584e-05 deg
M 159.3897159488986 1.2079e-05 deg
tp 2458494.586729771818
(2019-Jan-11.08672977)
5.1934e-05 TDB
period 1594.38628627471
4.37
1.2489e-05
3.419e-08
d
yr
n .2257922080107333 1.7686e-09 deg/d
Q 3.225074214776545 1.6841e-08 au
  Orbit Determination Parameters
   # obs. used (total)      765  
   data-arc span      7207 days (19.73 yr)  
   first obs. used      2000-09-05  
   last obs. used      2020-05-30  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48126  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 16:58:52  

Additional Information
 Earth MOID = 1.13335 au 
 Jupiter MOID = 1.99074 au 
 T_jup = 3.314 
[ 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 14.59   n/a E2021B55  
diameter diameter 3.261 km 0.240 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 9.019 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.347   0.115 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

118787 (2000 RA99)          Discovered 2000-Sep-05 by LONEOS at Anderson Mesa
Reference: 20051116/Numbers.arcLast Updated: 2005-11-21

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Apr-15 12:40 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin