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2457 Rublyov (1975 TU2)
Classification: Main-belt Asteroid          SPK-ID: 2002457
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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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 43 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06508192332479447 2.8169e-08  
a 2.639422917818588 8.9357e-09 au
q 2.467644197859414 7.7629e-08 au
i 6.270734506623569 3.7721e-07 deg
node 140.7128778156168 7.7525e-06 deg
peri 76.89109092031985 1.2473e-05 deg
M 351.9764910525841 1.1628e-05 deg
tp 2459235.407901538270
(2021-Jan-20.90790154)
5.0643e-05 TDB
period 1566.252949443593
4.29
7.9538e-06
2.178e-08
d
yr
n .2298479310943287 1.1672e-09 deg/d
Q 2.811201637777763 9.5172e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2915  
   data-arc span      23754 days (65.03 yr)  
   first obs. used      1956-03-09  
   last obs. used      2021-03-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .46033  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-03 20:15:57  

Additional Information
 Earth MOID = 1.46882 au 
 Jupiter MOID = 2.16965 au 
 T_jup = 3.384 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456930.5 (2014-Sep-30.0) TDB
Reference: JPL 43 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06666661933941564 2.8004e-08  
q 2.463089794489706 7.7243e-08 au
tp 2457669.521316720702
(2016-Oct-08.02131672)
4.8678e-05 TDB
node 140.7484483615924 7.7483e-06 deg
peri 77.20294039087207 1.2408e-05 deg
i 6.272166448473698 3.7765e-07 deg
  Orbit Determination Parameters
   # obs. used (total)      2915  
   data-arc span      23754 days (65.03 yr)  
   first obs. used      1956-03-09  
   last obs. used      2021-03-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .46033  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-03 20:15:57  

Additional Information
 Jupiter MOID = 2.16965 au 
 T_jup = 3.384 
Orbit Covariance (6×6)
  e q tp node peri i
e 7.842237128750929E-16 -2.152074696049513E-15 -1.050679119215832E-12 -4.021951218155444E-14 -1.343523533938855E-13 2.952611665101996E-15
q -2.152074696049513E-15 5.966533576476961E-15 2.840250751686135E-12 1.087511995377103E-13 3.564707996974268E-13 -8.084290890936893E-15
tp -1.050679119215832E-12 2.840250751686135E-12 2.369545627716124E-9 -6.496250480224703E-12 4.498122127482713E-10 -2.662278185925631E-12
node -4.021951218155444E-14 1.087511995377103E-13 -6.496250480224703E-12 6.003682869843907E-11 -6.445440854772184E-11 -1.158942849142796E-12
peri -1.343523533938855E-13 3.564707996974268E-13 4.498122127482713E-10 -6.445440854772184E-11 1.539580083236066E-10 8.08192738436072E-13
i 2.952611665101996E-15 -8.084290890936893E-15 -2.662278185925631E-12 -1.158942849142796E-12 8.08192738436072E-13 1.426184325775906E-13

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 12.69   n/a E2021B10  
diameter diameter 14.968 km 0.585 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 7.1322 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 0.079   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

2457 Rublyov (1975 TU2)          Discovered 1975-Oct-03 by Chernykh, L. at Nauchnyj
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1975 TU2 = 1939 EL = 1956 ES = 1969 EW 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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