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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 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1722722908194401 5.1293e-08  
a 3.131568279093965 2.6315e-08 au
q 2.592085837796956 1.6454e-07 au
i 2.460287448051529 4.9645e-06 deg
node 120.0007054509857 0.0001266 deg
peri 202.5532753131476 0.00012762 deg
M 275.284581582087 1.7523e-05 deg
tp 2457876.822628865133
(2017-May-03.32262887)
0.00010141 JED
period 2024.143297569894
5.54
2.5514e-05
6.985e-08
d
yr
n .1778530207975896 2.2418e-09 deg/d
Q 3.671050720390975 3.0848e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1609  
   data-arc span      15210 days (41.64 yr)  
   first obs. used      1973-10-26  
   last obs. used      2015-06-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .51146  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jul-06 11:48:45  

Additional Information
 Earth MOID = 1.57785 au 
 Jupiter MOID = 1.64379 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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