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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 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1723822054920061 4.9296e-08  
a 3.131371336583085 2.5535e-08 au
q 2.591578639368442 1.5972e-07 au
i 2.460299817398069 4.8451e-06 deg
node 120.0002437833676 0.00012538 deg
peri 202.588472634957 0.00012639 deg
M 310.8363835098744 1.729e-05 deg
tp 2457876.902270457050
(2017-May-03.40227046)
9.8785e-05 JED
period 2023.952354776897
5.54
2.4757e-05
6.778e-08
d
yr
n .1778697997264285 2.1757e-09 deg/d
Q 3.671164033797728 2.9937e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1675  
   data-arc span      15515 days (42.48 yr)  
   first obs. used      1973-10-26  
   last obs. used      2016-04-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .50713  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Apr-25 12:48:15  

Additional Information
 Earth MOID = 1.57874 au 
 Jupiter MOID = 1.64491 au 
 T_jup = 3.189 
[ 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 12.5 mag n/a MPO296171  
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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