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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1711840115315182 5.1054e-08  
a 3.135452751878591 2.7114e-08 AU
q 2.598713371844476 1.6356e-07 AU
i 2.460278189968363 4.9711e-06 deg
node 120.0042364961252 0.0001265 deg
peri 202.2554793229736 0.00012754 deg
M 204.4756107515285 1.7242e-05 deg
tp 2457876.582129897229
(2017-May-03.08212990)
0.0001022 JED
period 2027.910659460134
5.55
2.6305e-05
7.202e-08
d
yr
n .1775226133955222 2.3027e-09 deg/d
Q 3.672192131912706 3.1756e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1605  
   data-arc span      15191 days (41.59 yr)  
   first obs. used      1973-10-26  
   last obs. used      2015-05-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .51031  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jun-04 15:47:43  

Additional Information
 Earth MOID = 1.58719 AU 
 T_jup = 3.188 
[ 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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