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112953 (2002 RF11)
Classification: Main-belt Asteroid          SPK-ID: 2112953
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1798695554704321 4.5832e-08  
a 2.732552107740247 2.1039e-08 au
q 2.241049174821217 1.3193e-07 au
i 7.161725822439467 4.5272e-06 deg
node 150.2231507953457 4.3159e-05 deg
peri 132.8831959706495 4.5715e-05 deg
M 12.91872014713688 1.528e-05 deg
tp 2458941.293676327283
(2020-Apr-01.79367633)
6.9783e-05 TDB
period 1649.875241465136
4.52
1.9055e-05
5.217e-08
d
yr
n .2181983164256164 2.52e-09 deg/d
Q 3.224055040659278 2.4824e-08 au
  Orbit Determination Parameters
   # obs. used (total)      541  
   data-arc span      10332 days (28.29 yr)  
   first obs. used      1991-01-16  
   last obs. used      2019-05-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59708  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 06:49:51  

Additional Information
 Earth MOID = 1.23207 au 
 Jupiter MOID = 1.97572 au 
 T_jup = 3.319 
[ 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 15.2   n/a MPO474989  
diameter diameter 4.504 km 0.219 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 4.218608 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 sidereal period (not synodic); Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Durech, J.; Hanus, J.; Ali-Lagoa, V. (2018) Astron. Astrophys. 617, A57.]
geometric albedo albedo 0.087   0.018 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

112953 (2002 RF11)          Discovered 2002-Sep-04 by NEAT at Palomar
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 2002 RF11 = 2001 FU67 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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