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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 ]

[ show orbit diagram ]
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 
[ hide covariance matrix ]
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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1920-Apr-21 15:29 00:02 Jupiter 1.6934328417908 1.69343232425535 1.69343335932721 1.58464702457588 1.22912354539396 2422436.144807101 1.83599115031166 94.7956295563401 27.7832143814474 76.9456479728192 4709613.38790704 T 45 CATAB v2.0g-lin.ifort 2021-Aug-25 10:34:20 2021-Aug-25 10:34
1930-Jul-24 06:34 00:02 Jupiter 1.68030427054679 1.68030384510468 1.68030469598846 1.86833512746624 1.57559468478075 2426181.773771186 1.6435878395005 34.9655157265359 14.4551918263755 7.68725420109197 1879057.40582405 T 45 CATAB v2.0g-lin.ifort 2021-Aug-25 10:34:20 2021-Aug-25 10:34
2003-May-22 10:43 < 00:01 Jupiter 1.69222735191753 1.69222715427267 1.69222754956229 1.57475760318908 1.21605402013201 2452781.946331668 0.247258073215982 31.0392907708435 24.6640770213527 -19.2844083335006 4755612.16881318 T 45 CATAB v2.0g-lin.ifort 2021-Aug-25 10:34:20 2021-Aug-25 10:34
2013-Aug-24 19:05 < 00:01 Jupiter 1.69715982578925 1.69715970347739 1.69715994810102 1.92262960800206 1.642662446506 2456529.294960245 0.125192174691222 14.8309356212723 5.86025268858011 87.3046811891599 8152400.29355547 T 45 CATAB v2.0g-lin.ifort 2021-Aug-25 10:34:20 2021-Aug-25 10:34
2086-Jun-23 08:35 00:01 Jupiter 1.69307845905306 1.69307804417974 1.69307887392676 1.56912349111755 1.20895725292716 2483129.857761051 1.39334296680231 77.9200104188603 28.3814021423885 63.4759054829671 4574964.74783421 T 45 CATAB v2.0g-lin.ifort 2021-Aug-25 10:34:20 2021-Aug-25 10:34
2096-Sep-25 12:05 00:02 Jupiter 1.7124037935658 1.71240332578631 1.7124042613449 1.97225978806684 1.70309416190664 2486877.003138630 1.67071601331276 19.5404709138104 14.8660071553393 0.0835037868656192 1968702.83726305 T 45 CATAB v2.0g-lin.ifort 2021-Aug-25 10:34:20 2021-Aug-25 10:34
2169-Jul-25 08:37 00:03 Jupiter 1.68768053529251 1.68767981568007 1.68768125490791 1.54880568538239 1.18111299488745 2513476.859270846 2.99259183625341 162.760282038363 31.5107423930983 70.9151163606199 4646405.0221805 T 45 CATAB v2.0g-lin.ifort 2021-Aug-25 10:34:20 2021-Aug-25 10:34
2179-Oct-29 03:31 00:03 Jupiter 1.72319956732193 1.72319864516274 1.72320048947985 2.01164478049034 1.75032384635163 2517224.646731371 3.30666469206838 35.7413099604863 14.7288422250677 -9.73858017169107 1003012.96403542 T 45 CATAB v2.0g-lin.ifort 2021-Aug-25 10:34:20 2021-Aug-25 10:34

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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