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

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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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457464.5 (2016-Mar-17.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01509726698392851 4.0688e-08  
q 3.05483651214738 1.4144e-07 au
tp 2457310.312912069955
(2015-Oct-14.81291207)
0.0011033 TDB
node 227.8410556156065 2.5515e-05 deg
peri 78.07798248626644 0.00020176 deg
i 9.423498718754418 5.2466e-06 deg
  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
 Jupiter MOID = 1.8685 au 
 T_jup = 3.199 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.655545609051229E-15 -5.654411063408084E-15 7.63524149177639E-12 1.279474643527313E-15 1.393936207057297E-12 -1.34510065597863E-15
q -5.654411063408084E-15 2.000646689883209E-14 -3.685886853511415E-11 -3.379138719583768E-15 -6.706920643238958E-12 5.328187242818708E-15
tp 7.63524149177639E-12 -3.685886853511415E-11 1.217379775105696E-6 -3.14487616828453E-10 2.208437958801334E-7 -2.142950371616624E-11
node 1.279474643527313E-15 -3.379138719583768E-15 -3.14487616828453E-10 6.50992225967632E-10 -6.989054396115707E-10 -5.58093744416989E-12
peri 1.393936207057297E-12 -6.706920643238958E-12 2.208437958801334E-7 -6.989054396115707E-10 4.070708493278396E-8 1.617490345041567E-12
i -1.34510065597863E-15 5.328187242818708E-15 -2.142950371616624E-11 -5.58093744416989E-12 1.617490345041567E-12 2.752688696541036E-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 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

[ show close-approach data ]
Alternate Designations
 2005 RL22 = 2000 VW19 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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