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 ]  
249249 (2008 RA106)
Classification: Main-belt Asteroid          SPK-ID: 2249249
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2040187326053829 6.1201e-08  
a 2.61305234075662 2.0749e-08 au
q 2.079940713963926 1.6639e-07 au
i 11.72488984263239 7.2665e-06 deg
node 25.29509308431082 2.4689e-05 deg
peri 301.5209825809736 2.7811e-05 deg
M 318.4716877988884 1.4919e-05 deg
tp 2459178.476380523370
(2020-Nov-24.97638052)
6.4909e-05 TDB
period 1542.838935474437
4.22
1.8376e-05
5.031e-08
d
yr
n .2333360869514851 2.7792e-09 deg/d
Q 3.146163967549315 2.4982e-08 au
  Orbit Determination Parameters
   # obs. used (total)      405  
   data-arc span      10092 days (27.63 yr)  
   first obs. used      1991-10-11  
   last obs. used      2019-05-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5912  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 04:18:37  

Additional Information
 Earth MOID = 1.09712 au 
 Jupiter MOID = 2.32141 au 
 T_jup = 3.350 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457062.5 (2015-Feb-09.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2029593326276759 6.1242e-08  
q 2.082503377746585 1.6618e-07 au
tp 2457637.593504574894
(2016-Sep-06.09350458)
5.8716e-05 TDB
node 25.32096797771696 2.4683e-05 deg
peri 301.7431264662698 2.7815e-05 deg
i 11.72593513809709 7.2665e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      405  
   data-arc span      10092 days (27.63 yr)  
   first obs. used      1991-10-11  
   last obs. used      2019-05-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5912  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 04:18:37  

Additional Information
 Jupiter MOID = 2.32141 au 
 T_jup = 3.350 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.75057341049163E-15 -1.013203090040841E-14 1.207957711001754E-12 6.003444652329223E-15 3.407716685113368E-13 -1.264547931944855E-14
q -1.013203090040841E-14 2.761683737343312E-14 -2.954040933341681E-12 -1.608488410381871E-14 -8.845395052925811E-13 3.631150170975616E-14
tp 1.207957711001754E-12 -2.954040933341681E-12 3.44752580862391E-9 1.221237248982322E-11 7.642273501012256E-10 -4.125138754650044E-12
node 6.003444652329223E-15 -1.608488410381871E-14 1.221237248982322E-11 6.092300509670264E-10 -5.931963591355805E-10 -6.882240861578044E-11
peri 3.407716685113368E-13 -8.845395052925811E-13 7.642273501012256E-10 -5.931963591355805E-10 7.736498206951463E-10 6.617725845683809E-11
i -1.264547931944855E-14 3.631150170975616E-14 -4.125138754650044E-12 -6.882240861578044E-11 6.617725845683809E-11 5.280166331581785E-11

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 15.5   n/a MPO433633  
diameter diameter 4.061 km 1.224 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 0.9 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:
[Behrend, R. (2018) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
geometric albedo albedo 0.074   0.081 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

249249 (2008 RA106)          Discovered 2008-Sep-06 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20100824/Numbers.arcLast Updated: 2010-08-27

[ show close-approach data ]
Alternate Designations
 2008 RA106 = 1991 TK11 = 2004 XW164 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Sep-28 16:43 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin