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135211 (2001 RL72)
Classification: Main-belt Asteroid          SPK-ID: 2135211
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1493362103803087 6.0194e-08  
a 3.057767495589785 2.1572e-08 au
q 2.601132085574319 1.8372e-07 au
i 11.27405410831374 6.4612e-06 deg
node 211.0886413683644 1.8163e-05 deg
peri 180.7171199310974 2.2189e-05 deg
M 202.0022782027792 1.4626e-05 deg
tp 2460057.643311417845
(2023-Apr-23.14331142)
8.5015e-05 TDB
period 1953.012920695493
5.35
2.0667e-05
5.658e-08
d
yr
n .1843305777371915 1.9506e-09 deg/d
Q 3.51440290560525 2.4794e-08 au
  Orbit Determination Parameters
   # obs. used (total)      828  
   data-arc span      9752 days (26.70 yr)  
   first obs. used      1994-06-07  
   last obs. used      2021-02-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54432  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 18:11:59  

Additional Information
 Earth MOID = 1.60584 au 
 Jupiter MOID = 1.92517 au 
 T_jup = 3.188 
[ 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 14.53   n/a E2021B55  
diameter diameter 4.687 km 0.610 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 518.462 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 0.153   0.074 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

135211 (2001 RL72)          Discovered 2001-Sep-10 by LINEAR at Socorro
Reference: 20060907/Numbers.arcLast Updated: 2006-09-10

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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