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120411 (2857 P-L)
Classification: Main-belt Asteroid          SPK-ID: 2120411
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .241478530725836 7.173e-08  
a 2.543750212340872 1.1895e-08 au
q 1.929489148531265 1.8601e-07 au
i 5.477188426463835 4.2363e-06 deg
node 172.1685112246899 6.785e-05 deg
peri 91.42518693788568 6.8485e-05 deg
M 343.0627345705149 9.7355e-06 deg
tp 2459070.218962213491
(2020-Aug-08.71896221)
4.0215e-05 TDB
period 1481.870051653307
4.06
1.0394e-05
2.846e-08
d
yr
n .2429362814899672 1.704e-09 deg/d
Q 3.158011276150479 1.4767e-08 au
  Orbit Determination Parameters
   # obs. used (total)      927  
   data-arc span      21898 days (59.95 yr)  
   first obs. used      1960-09-24  
   last obs. used      2020-09-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47438  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 17:57:21  

Additional Information
 Earth MOID = .923522 au 
 Jupiter MOID = 1.95685 au 
 T_jup = 3.396 
[ show covariance matrix ]

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 15.4   n/a MPO436581  

120411 (2857 P-L)          Discovered 1960-Sep-24 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20051116/Numbers.arcLast Updated: 2005-11-21

[ 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
1929-Jan-27 04:54 00:02 Jupiter 1.99018393589315 1.99018269234402 1.99018517944137 2.00509183856664 1.78022275214252 2425638.704397432 2.19827303619596 124.253850684181 51.6262647105676 61.3651966803956 965208.743238598 T 25 CATAB v2.0f-lin.ifort 2020-Nov-12 17:57:23 2020-Nov-12 17:57
1941-May-18 14:50 00:02 Jupiter 1.92422884474469 1.92422807766907 1.92422961181812 1.51785906202852 1.19311359910217 2430133.117907220 1.77219452858245 296.392484457999 70.2915852647839 -11.1292943985357 800763.93948794 T 25 CATAB v2.0f-lin.ifort 2020-Nov-12 17:57:23 2020-Nov-12 17:57
1953-Sep-03 09:26 00:01 Jupiter 1.92467921612423 1.924678690477 1.92467974177858 1.24311296993529 0.815573289518206 2434623.893264422 1.39909755741489 774.83065719489 103.721444698488 -21.569086009995 2300665.46731614 T 25 CATAB v2.0f-lin.ifort 2020-Nov-12 17:57:23 2020-Nov-12 17:57
1965-Dec-21 04:54 00:01 Jupiter 1.98618198914268 1.98618148962494 1.98618248866144 1.22559737711305 0.805713111755168 2439115.704453647 1.08421580582528 533.946094938664 112.094610646028 -18.4167664243968 1836078.03093418 T 25 CATAB v2.0f-lin.ifort 2020-Nov-12 17:57:23 2020-Nov-12 17:57
2107-Apr-19 20:23 00:02 Jupiter 1.96506387338269 1.96506326623693 1.96506448052756 1.71368683347786 1.4403614667182 2490734.349613653 1.68109172470386 119.795034032191 98.5209429205378 18.3267293113449 964467.610074464 T 25 CATAB v2.0f-lin.ifort 2020-Nov-12 17:57:23 2020-Nov-12 17:57
2119-Aug-07 10:58 00:02 Jupiter 1.9242459604484 1.92424538667636 1.92424653422383 1.30043522397623 0.900424083791276 2495226.956657961 1.97516563237299 479.039074057209 146.596573002258 -17.0413877133944 1243098.61736505 T 25 CATAB v2.0f-lin.ifort 2020-Nov-12 17:57:23 2020-Nov-12 17:57
2131-Nov-23 20:29 00:02 Jupiter 1.94846019219674 1.94845921513276 1.94846116928121 1.14116639625226 0.657900572209751 2499718.353493746 2.35254319384333 1183.91763657092 263.642590034706 -23.789054626784 1657005.43791719 T 25 CATAB v2.0f-lin.ifort 2020-Nov-12 17:57:23 2020-Nov-12 17:57

Alternate Designations
 2857 P-L = 2001 XT202 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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