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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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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .179563173487655 3.2652e-08  
a 2.73105245366187 1.3384e-08 au
q 2.240656008121098 8.5579e-08 au
i 7.163558419826625 4.3172e-06 deg
node 150.2219646904676 2.3353e-05 deg
peri 132.7582088992651 2.8055e-05 deg
M 56.69421069952789 1.2493e-05 deg
tp 2458940.885047695224
(2020-Apr-01.38504770)
5.7388e-05 TDB
period 1648.517223831776
4.51
1.2118e-05
3.318e-08
d
yr
n .2183780641146255 1.6053e-09 deg/d
Q 3.221448899202643 1.5787e-08 au
  Orbit Determination Parameters
   # obs. used (total)      890  
   data-arc span      10920 days (29.90 yr)  
   first obs. used      1991-01-16  
   last obs. used      2020-12-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50759  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 16:32:09  

Additional Information
 Earth MOID = 1.22981 au 
 Jupiter MOID = 1.97695 au 
 T_jup = 3.320 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457874.5 (2017-May-01.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1789428660463988 3.265e-08  
q 2.243183641432235 8.5589e-08 au
tp 2457292.997131904436
(2015-Sep-27.49713190)
6.0437e-05 TDB
node 150.264284921953 2.3376e-05 deg
peri 133.0340587714033 2.8105e-05 deg
i 7.15894701612369 4.3145e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      890  
   data-arc span      10920 days (29.90 yr)  
   first obs. used      1991-01-16  
   last obs. used      2020-12-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50759  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 16:32:09  

Additional Information
 Jupiter MOID = 1.97695 au 
 T_jup = 3.320 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.065994064960235E-15 -2.774473991161497E-15 2.956854322317592E-13 -3.170710677140508E-15 7.755203455738389E-14 -1.857181564948429E-15
q -2.774473991161497E-15 7.32553388593656E-15 -1.025889069032572E-12 8.122408983147207E-15 -2.570413540789184E-13 4.89119442492806E-15
tp 2.956854322317592E-13 -1.025889069032572E-12 3.652635778968393E-9 -1.682287762266184E-12 9.465787096529842E-10 2.238321990293548E-12
node -3.170710677140508E-15 8.122408983147207E-15 -1.682287762266184E-12 5.464210198653884E-10 -5.421684136137238E-10 -9.009171794022386E-13
peri 7.755203455738389E-14 -2.570413540789184E-13 9.465787096529842E-10 -5.421684136137238E-10 7.899043130252894E-10 1.520290946148181E-12
i -1.857181564948429E-15 4.89119442492806E-15 2.238321990293548E-12 -9.009171794022386E-13 1.520290946148181E-12 1.861461467923001E-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 15.30   n/a E2021B55  
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. 2020-October); 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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