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 ]  
18982 (2000 RH5)
Classification: Main-belt Asteroid          SPK-ID: 2018982
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 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2126525224714515 2.8392e-08  
a 2.378225761858095 8.2139e-09 au
q 1.872490054592382 6.8203e-08 au
i 1.58077803782523 3.7281e-06 deg
node 220.1939022864345 0.00012061 deg
peri 85.11736220600346 0.00012094 deg
M 177.9279408513542 8.666e-06 deg
tp 2458338.405930729093
(2018-Aug-07.90593073)
3.1815e-05 TDB
period 1339.608966399795
3.67
6.9401e-06
1.9e-08
d
yr
n .2687351376629716 1.3922e-09 deg/d
Q 2.883961469123809 9.9606e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1616  
   data-arc span      15072 days (41.26 yr)  
   first obs. used      1978-10-27  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52796  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 22:39:05  

Additional Information
 Earth MOID = .858243 au 
 Jupiter MOID = 2.36677 au 
 T_jup = 3.509 
[ 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 14.7   n/a MPO350953  
diameter diameter 2.885 km 0.278 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 9.098 h n/a LCDB (Rev. 2019-August); 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 0.336   0.039 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

18982 (2000 RH5)          Discovered 2000-Sep-01 by LINEAR at Socorro
Reference: 20001111/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2000 RH5 = 1978 UY6 = 1981 JS4 = 1999 GL23 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Jul-08 11:31 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin