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JPL Small-Body Database Browser
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379928 (2012 KW44)
Classification: Main-belt Asteroid          SPK-ID: 2379928
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2045898490938867 1.1492e-07  
a 2.614542849464895 4.5262e-08 au
q 2.079633922443371 3.2364e-07 au
i 13.72443072455627 1.3423e-05 deg
node 220.4044737448699 2.6283e-05 deg
peri 31.58736070067184 4.9267e-05 deg
M 225.3521399532492 4.0714e-05 deg
tp 2459178.049254261763
(2020-Nov-24.54925426)
0.00018528 TDB
period 1544.15919764372
4.23
4.0098e-05
1.098e-07
d
yr
n .2331365836821327 6.054e-09 deg/d
Q 3.149451776486418 5.4523e-08 au
  Orbit Determination Parameters
   # obs. used (total)      174  
   data-arc span      4855 days (13.29 yr)  
   first obs. used      2004-08-09  
   last obs. used      2017-11-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53888  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 14:42:33  

Additional Information
 Earth MOID = 1.07854 au 
 Jupiter MOID = 1.90575 au 
 T_jup = 3.338 
[ 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 16.5   n/a MPO427888  

379928 (2012 KW44)          Discovered 2009-Oct-18 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2013-11-20

[ 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
1916-Dec-14 10:35 00:07 Jupiter 1.95183787024785 1.95183366833224 1.95184207234142 4.05601339429369 3.94757161153179 2421211.940909498 7.12878050179294 997.797315558608 46.4375423040454 -78.6871142686612 1004337.92603605 T 14 CATAB v2.0e-lin.ifort 2019-Jul-14 14:42:35 2019-Jul-14 14:42
1989-Feb-12 05:54 00:02 Jupiter 1.9353761770894 1.93537530147147 1.93537705271129 3.70653941218048 3.58652047405039 2447569.746122417 2.08015281721812 421.749693227272 38.8741104391931 87.9268678411695 1031144.23940247 T 14 CATAB v2.0e-lin.ifort 2019-Jul-14 14:42:35 2019-Jul-14 14:42
2048-Feb-04 03:13 00:02 Jupiter 1.89103315813969 1.89103192273521 1.89103439354567 3.86414727828971 3.74643881126516 2469110.634265153 2.16908039279055 333.793087721566 55.502775870709 88.1389145222132 1165250.47398237 T 14 CATAB v2.0e-lin.ifort 2019-Jul-14 14:42:35 2019-Jul-14 14:42
2107-Jan-27 22:36 00:06 Jupiter 1.90564687357339 1.90564554576845 1.90564820144463 3.9950391109489 3.88218712521503 2490652.441491909 6.28612599262118 924.834002638314 46.5288093928195 -87.5039438663127 1065080.86678234 T 14 CATAB v2.0e-lin.ifort 2019-Jul-14 14:42:35 2019-Jul-14 14:42
2166-Jan-17 21:43 00:11 Jupiter 1.97611715381728 1.97611230283308 1.97612200517566 4.11773708938656 4.01229352417653 2512192.404805157 10.6454766223934 1431.55004430332 48.2655261602514 -80.6859006002491 1058478.18219332 T 14 CATAB v2.0e-lin.ifort 2019-Jul-14 14:42:35 2019-Jul-14 14:42
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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