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4470 Sergeev-Censkij (1978 QP1)
Classification: Main-belt Asteroid          SPK-ID: 2004470
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.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 45 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1738302926913258 1.9928e-08  
a 3.130125339826139 1.3516e-08 au
q 2.586014735843626 6.8069e-08 au
i 2.460819908708125 8.8265e-07 deg
node 119.9923619918801 2.2638e-05 deg
peri 202.7515255361863 2.1452e-05 deg
M 269.9778252539094 6.1457e-06 deg
tp 2459902.310707919200
(2022-Nov-18.81070792)
3.632e-05 TDB
period 2022.744455624469
5.54
1.3102e-05
3.587e-08
d
yr
n .1779760161986748 1.1528e-09 deg/d
Q 3.674235943808652 1.5866e-08 au
  Orbit Determination Parameters
   # obs. used (total)      3201  
   data-arc span      17445 days (47.76 yr)  
   first obs. used      1973-10-26  
   last obs. used      2021-07-31  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .46485  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 10:33:05  

Additional Information
 Earth MOID = 1.57312 au 
 Jupiter MOID = 1.65311 au 
 T_jup = 3.189 
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Orbital Elements at Epoch 2457135.5 (2015-Apr-23.0) TDB
Reference: JPL 45 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1717822067412373 1.9917e-08  
q 2.595248228872092 6.7952e-08 au
tp 2457876.536546135520
(2017-May-03.03654614)
3.0925e-05 TDB
node 120.0046533045769 2.2636e-05 deg
peri 202.3766633559528 2.1435e-05 deg
i 2.460313948082886 8.8193e-07 deg
  Orbit Determination Parameters
   # obs. used (total)      3201  
   data-arc span      17445 days (47.76 yr)  
   first obs. used      1973-10-26  
   last obs. used      2021-07-31  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .46485  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 10:33:05  

Additional Information
 Jupiter MOID = 1.65311 au 
 T_jup = 3.189 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.966819239777701E-16 -1.338643351257732E-15 -1.654763902970512E-13 9.878359719268415E-14 -9.296543642766364E-14 3.853598895016436E-15
q -1.338643351257732E-15 4.617520938388036E-15 6.044947277407842E-13 -3.076514330044263E-13 2.887169410461934E-13 -1.196254224877944E-14
tp -1.654763902970512E-13 6.044947277407842E-13 9.563802579251447E-10 2.092996371460149E-10 -8.33539507664145E-11 8.89142430534282E-12
node 9.878359719268415E-14 -3.076514330044263E-13 2.092996371460149E-10 5.123783872909321E-10 -4.761757513787901E-10 1.92552669963616E-11
peri -9.296543642766364E-14 2.887169410461934E-13 -8.33539507664145E-11 -4.761757513787901E-10 4.594673619167346E-10 -1.771387865094217E-11
i 3.853598895016436E-15 -1.196254224877944E-14 8.89142430534282E-12 1.92552669963616E-11 -1.771387865094217E-11 7.777924949273603E-13

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 12.63   n/a MPO636131  
diameter diameter 16.102 km 0.207 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.058   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

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

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Alternate Designations
 1978 QP1 = 1973 UF2 = 1979 XU1 = 1984 UJ4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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