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4777 Aksenov (1976 SM2)
Classification: Main-belt Asteroid          SPK-ID: 2004777
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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1300766217027773 3.6054e-08  
a 2.174983025500706 6.4455e-09 au
q 1.892068581282689 7.7092e-08 au
i 1.325164564721562 3.6255e-06 deg
node 194.8646689310319 0.00018244 deg
peri 168.4369402839332 0.00018326 deg
M 99.41429166677578 1.8893e-05 deg
tp 2458276.959571447023
(2018-Jun-07.45957145)
6.1023e-05 TDB
period 1171.607746997583
3.21
5.208e-06
1.426e-08
d
yr
n .307270074752026 1.3659e-09 deg/d
Q 2.457897469718723 7.2839e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2045  
   data-arc span      15550 days (42.57 yr)  
   first obs. used      1976-09-24  
   last obs. used      2019-04-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47677  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-12 18:34:53  

Additional Information
 Earth MOID = .888668 au 
 Jupiter MOID = 2.98521 au 
 T_jup = 3.674 
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Orbital Elements at Epoch 2456153.5 (2012-Aug-14.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1303009918335845 3.6075e-08  
q 1.891819540786832 7.721e-08 au
tp 2455933.060329983067
(2012-Jan-06.56032998)
5.831e-05 TDB
node 194.9046028601209 0.00018272 deg
peri 168.2501431763874 0.00018353 deg
i 1.323093834853348 3.6246e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2045  
   data-arc span      15550 days (42.57 yr)  
   first obs. used      1976-09-24  
   last obs. used      2019-04-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47677  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-12 18:34:53  

Additional Information
 Jupiter MOID = 2.98521 au 
 T_jup = 3.674 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.301426421406825E-15 -2.778603184759972E-15 6.146345495544657E-13 3.975311874030419E-15 1.359259450006359E-13 -9.154280817040723E-17
q -2.778603184759972E-15 5.961450702714483E-15 -1.288981112944976E-12 -7.801055270180294E-15 -2.824727568827974E-13 2.019188483872784E-16
tp 6.146345495544657E-13 -1.288981112944976E-12 3.40001923664636E-9 1.683728301905738E-12 1.01526577022569E-9 -1.020515013141953E-12
node 3.975311874030419E-15 -7.801055270180294E-15 1.683728301905738E-12 3.338840084563023E-8 -3.337871904746465E-8 1.48493784446726E-10
peri 1.359259450006359E-13 -2.824727568827974E-13 1.01526577022569E-9 -3.337871904746465E-8 3.368258051805093E-8 -1.487652451774164E-10
i -9.154280817040723E-17 2.019188483872784E-16 -1.020515013141953E-12 1.48493784446726E-10 -1.487652451774164E-10 1.313783410286889E-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 14.1   n/a MPO358676  
diameter diameter 3.861 km 0.315 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.298   0.076 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

4777 Aksenov (1976 SM2)          Discovered 1976-Sep-24 by Chernykh, N. S. at Nauchnyj
Reference: DISCOVERY.DBLast Updated: 2003-08-29

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Alternate Designations
 1976 SM2 = 1979 OQ15 = 1989 UX2 = 2010 KR130 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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