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 ]  
181153 (2005 RL22)
Classification: Main-belt Asteroid          SPK-ID: 2181153
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ hide orbit diagram ]

For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01776793660282305 3.9438e-08  
a 3.1060875022498 3.0432e-08 au
q 3.050898736427004 1.3736e-07 au
i 9.412178867200989 5.2419e-06 deg
node 227.6529894647998 2.5551e-05 deg
peri 70.86421170322927 0.00017463 deg
M 23.76989038404963 0.00016934 deg
tp 2459264.478812650430
(2021-Feb-18.97881265)
0.00094131 TDB
period 1999.488709368965
5.47
2.9385e-05
8.045e-08
d
yr
n .1800460279236162 2.646e-09 deg/d
Q 3.161276268072595 3.0973e-08 au
  Orbit Determination Parameters
   # obs. used (total)      588  
   data-arc span      7549 days (20.67 yr)  
   first obs. used      2000-11-01  
   last obs. used      2021-07-03  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .62321  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 15:21:32  

Additional Information
 Earth MOID = 2.04974 au 
 Jupiter MOID = 1.8685 au 
 T_jup = 3.199 
[ 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 14.62   n/a E2021B55  
diameter diameter 3.994 km 0.449 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 131.3 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:
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]
geometric albedo albedo 0.211   0.033 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

181153 (2005 RL22)          Discovered 2005-Sep-10 by LONEOS at Anderson Mesa
Reference: 20080321/Numbers.arcLast Updated: 2008-03-26

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1940-Sep-02 11:49 00:03 Jupiter 1.87844058459524 1.87844008449941 1.87844108469192 4.15675273808578 4.04682066520841 2429874.992119723 3.03616069460993 229.169517181006 21.3845077647064 89.0674474609835 3056593.86650465 T 22 CATAB v2.0g-lin.ifort 2021-Jul-09 15:21:34 2021-Jul-09 15:21
2011-Jul-11 19:12 < 00:01 Jupiter 1.88908426166739 1.88908370947995 1.88908481385472 4.06257323931817 3.95066408516365 2455754.300277574 0.247102719449834 41.2347622063359 24.4465860873744 89.2669111007798 2788297.81020769 T 22 CATAB v2.0g-lin.ifort 2021-Jul-09 15:21:34 2021-Jul-09 15:21
2072-Apr-12 10:53 00:02 Jupiter 1.9618278510147 1.96182713568348 1.96182856634804 4.27526066269977 4.17305048287879 2477944.953731312 2.35503076723276 141.177785557214 22.2641372171877 78.7019040665508 3505576.64993251 T 22 CATAB v2.0g-lin.ifort 2021-Jul-09 15:21:34 2021-Jul-09 15:21
2082-May-17 18:14 00:03 Jupiter 1.9153911048325 1.91539015236453 1.91539205730558 3.96298720645555 3.8497830352871 2481632.259429143 2.84061466003459 188.328735882039 20.7376231125455 -76.8516924614792 3056004.19506903 T 22 CATAB v2.0g-lin.ifort 2021-Jul-09 15:21:34 2021-Jul-09 15:21
2143-Feb-22 15:35 00:05 Jupiter 1.92100595187484 1.92100485770487 1.92100704606404 4.28257743196779 4.17835091599636 2503827.149651169 5.20376864966101 343.316059105143 21.6739981602032 81.5769808206738 3328067.34353545 T 22 CATAB v2.0g-lin.ifort 2021-Jul-09 15:21:34 2021-Jul-09 15:21
2153-Mar-24 06:54 00:06 Jupiter 1.95211300670457 1.95211126312618 1.95211475030494 3.86854446046768 3.75470845052905 2507509.787653258 5.87377031265808 354.493904261611 19.7276321171546 -75.5310177289937 3174447.89748112 T 22 CATAB v2.0g-lin.ifort 2021-Jul-09 15:21:34 2021-Jul-09 15:21

Alternate Designations
 2005 RL22 = 2000 VW19 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Aug-04 23:49 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin