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2892 Filipenko (1983 AX2)
Classification: Main-belt Asteroid          SPK-ID: 2002892
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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2032909269839254 3.5e-08  
a 3.176734090773483 1.8523e-08 au
q 2.530932872678704 1.1053e-07 au
i 17.00203815265508 5.599e-06 deg
node 325.8259687504386 1.4131e-05 deg
peri 93.77598759698787 2.0431e-05 deg
M 269.6872635989092 1.4486e-05 deg
tp 2459519.319418734510
(2021-Oct-31.81941873)
8.4134e-05 TDB
period 2068.091369914108
5.66
1.8088e-05
4.952e-08
d
yr
n .1740735468641076 1.5225e-09 deg/d
Q 3.822535308868262 2.2289e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2831  
   data-arc span      24381 days (66.75 yr)  
   first obs. used      1953-09-16  
   last obs. used      2020-06-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .37607  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 15:51:03  

Additional Information
 Earth MOID = 1.61259 au 
 Jupiter MOID = 1.79726 au 
 T_jup = 3.101 
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Orbital Elements at Epoch 2456611.5 (2013-Nov-15.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2064515831002446 3.6017e-08  
q 2.518602198350298 1.1518e-07 au
tp 2457441.412789835994
(2016-Feb-22.91278984)
7.7172e-05 TDB
node 326.5580552357996 1.4145e-05 deg
peri 91.68337916289187 1.9955e-05 deg
i 16.96081167734595 5.606e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2831  
   data-arc span      24381 days (66.75 yr)  
   first obs. used      1953-09-16  
   last obs. used      2020-06-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .37607  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 15:51:03  

Additional Information
 Jupiter MOID = 1.79726 au 
 T_jup = 3.101 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.297223987275616E-15 -4.119698532877083E-15 -4.979490914181746E-13 1.768584325976977E-15 -1.204523007403077E-13 -2.42936306866394E-15
q -4.119698532877083E-15 1.326562904553631E-14 1.821419088614046E-12 -8.992647784025961E-15 4.088520083703602E-13 6.329479852797353E-15
tp -4.979490914181746E-13 1.821419088614046E-12 5.955522761890393E-9 2.474553212075204E-12 1.09780963066464E-9 6.146910413430142E-12
node 1.768584325976977E-15 -8.992647784025961E-15 2.474553212075204E-12 2.000837740905491E-10 -1.903051749702394E-10 1.120760186598976E-11
peri -1.204523007403077E-13 4.088520083703602E-13 1.09780963066464E-9 -1.903051749702394E-10 3.981870459993558E-10 -9.591456625481412E-12
i -2.42936306866394E-15 6.329479852797353E-15 6.146910413430142E-12 1.120760186598976E-11 -9.591456625481412E-12 3.14272654655567E-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 10.2   n/a MPO435725  
diameter diameter 69.492 km 0.396 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 14.00 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Stephens, R.D. (2005) Minor Planet Bull. 32, 27-28.]
geometric albedo albedo 0.030   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
SMASSII spectral type spec_B C   n/a EAR-A-5-DDR-TAXONOMY-V4.0 based on a high-resolution spectrum by Xu et al. (1995) or Bus and Binzel (2002)

2892 Filipenko (1983 AX2)          Discovered 1983-Jan-13 by Karachkina, L. G. at Nauchnyj
Reference: DISCOVERY.DBLast Updated: 2003-08-29

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Alternate Designations
 1983 AX2 = 1936 QK1 = 1953 SB = 1953 SL = 1955 DO = 1957 KP = 1964 PA = A910 CK 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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