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4470 Sergeev-Censkij (1978 QP1)
Classification: Main-belt Asteroid          SPK-ID: 2004470
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1696033763904991 5.4522e-08  
a 3.139797632249711 3.0364e-08 AU
q 2.607277352637265 1.7099e-07 AU
i 2.459450247850164 5.3278e-06 deg
node 119.9960150819606 0.00013378 deg
peri 202.1001311360077 0.00013494 deg
M 169.2163476383648 1.7446e-05 deg
tp 2455845.307883254206
(2011-Oct-10.80788325)
9.5811e-05 JED
period 2032.127314101913
5.56
2.9478e-05
8.071e-08
d
yr
n .1771542548056838 2.5698e-09 deg/d
Q 3.672317911862157 3.5514e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1439  
   data-arc span      14821 days (40.58 yr)  
   first obs. used      1973-10-26  
   last obs. used      2014-05-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .51436  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-16 13:28:53  

Additional Information
 Earth MOID = 1.59384 AU 
 T_jup = 3.187 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 12.4 mag n/a MPO256896  
diameter diameter 18.34 km 2.7 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 2
geometric albedo albedo 0.0912   0.034 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 2

4470 Sergeev-Censkij (1978 QP1)          Discovered 1978-Aug-31 by Chernykh, N. S. at Nauchnyj
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1978 QP1 = 1973 UF2 = 1979 XU1 = 1984 UJ4 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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