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134526 (1999 RX22)
Classification: Main-belt Asteroid          SPK-ID: 2134526
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1665191028438326 4.3444e-08  
a 2.362620838356569 1.0087e-08 au
q 1.969199335993289 1.0617e-07 au
i 4.658044094038045 4.3868e-06 deg
node 323.8333189722748 5.0721e-05 deg
peri 42.68201720793331 5.2326e-05 deg
M 302.058909414429 1.4427e-05 deg
tp 2459413.988082578957
(2021-Jul-18.48808258)
5.4022e-05 TDB
period 1326.445687364467
3.63
8.4945e-06
2.326e-08
d
yr
n .2714019906199769 1.738e-09 deg/d
Q 2.756042340719848 1.1766e-08 au
  Orbit Determination Parameters
   # obs. used (total)      532  
   data-arc span      8598 days (23.54 yr)  
   first obs. used      1996-12-08  
   last obs. used      2020-06-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52119  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 18:08:46  

Additional Information
 Earth MOID = .968721 au 
 Jupiter MOID = 2.71584 au 
 T_jup = 3.527 
[ 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 16.3   n/a MPO469410  
diameter diameter 1.551 km 0.407 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 19.043 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on fragmentary lightcurve(s), may be completely wrong.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.222   0.079 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

134526 (1999 RX22)          Discovered 1999-Sep-07 by LINEAR at Socorro
Reference: 20060907/Numbers.arcLast Updated: 2006-09-10

[ show close-approach data ]
Alternate Designations
 1999 RX22 = 1996 XB22 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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