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245501 (2005 QC157)
Classification: Main-belt Asteroid          SPK-ID: 2245501
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2636899329732628 5.1795e-08  
a 3.083671256860299 3.3079e-08 au
q 2.27053818982723 1.7627e-07 au
i 13.1476398605198 7.6689e-06 deg
node 196.205528676419 2.1591e-05 deg
peri 115.5357755575421 2.8901e-05 deg
M 326.8057706825778 2.1542e-05 deg
tp 2459382.873034797352
(2021-Jun-17.37303480)		 0.00012063 TDB
period 1977.882718686512
5.42		 3.1825e-05
8.713e-08		 d
yr
n .1820128143083588 2.9287e-09 deg/d
Q 3.896804323893368 4.1801e-08 au
   Orbit Determination Parameters
   # obs. used (total)      377  
   data-arc span      8114 days (22.21 yr)  
   first obs. used      1998-03-23  
   last obs. used      2020-06-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48222  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 00:43:48  

Additional Information
 Earth MOID = 1.29211 au 
 Jupiter MOID = 1.73721 au 
 T_jup = 3.134 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457296.5 (2015-Oct-01.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2622116785398321 5.1808e-08  
q 2.276498998684961 1.7643e-07 au
tp 2457404.713620602524
(2016-Jan-17.21362060)		 9.8387e-05 TDB
node 196.2308767601689 2.1588e-05 deg
peri 115.6051202513488 2.8968e-05 deg
i 13.1437912039813 7.6674e-06 deg
   Orbit Determination Parameters
   # obs. used (total)      377  
   data-arc span      8114 days (22.21 yr)  
   first obs. used      1998-03-23  
   last obs. used      2020-06-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48222  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 00:43:48  

Additional Information
 Jupiter MOID = 1.73721 au 
 T_jup = 3.134 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.684074071781045E-15 -9.086991343275563E-15 -1.554449600236701E-12 1.251588235477012E-14 -1.370044125546792E-13 -1.535505081477358E-14
q -9.086991343275563E-15 3.112789089962408E-14 6.326868559196247E-12 -4.29320383705356E-14 6.723554567323136E-13 6.121556934604734E-14
tp -1.554449600236701E-12 6.326868559196247E-12 9.680047012147906E-9 -3.254278342256192E-11 1.899878472358505E-9 5.839583517982112E-11
node 1.251588235477012E-14 -4.29320383705356E-14 -3.254278342256192E-11 4.660387446769537E-10 -4.588280577169535E-10 7.772242817540759E-11
peri -1.370044125546792E-13 6.723554567323136E-13 1.899878472358505E-9 -4.588280577169535E-10 8.391472124630331E-10 -6.479412868644659E-11
i -1.535505081477358E-14 6.121556934604734E-14 5.839583517982112E-11 7.772242817540759E-11 -6.479412868644659E-11 5.878944308541205E-11

[ 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 15.58   n/a E2021B55  
diameter diameter 3.095 km 0.109 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.106   0.016 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

245501 (2005 QC157)          Discovered 2005-Aug-30 by NEAT at Palomar
Reference: 20100726/Numbers.arcLast Updated: 2010-07-28

[ 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
1931-Jul-11 07:58 00:06 Jupiter 1.72548124316724 1.72548005864749 1.72548242769566 0.355604706427362 n/a 2426533.831921728 6.07390389017168 1215.09303683158 58.3165395738679 89.556789583774 4424969.60091168 F 15 CATAB v2.0f-lin.ifort 2020-Nov-12 00:43:49 2020-Nov-12 00:43
1941-Feb-08 09:23 00:04 Jupiter 1.99628357641766 1.99628121208075 1.99628594077705 4.68275324404272 4.59125021659515 2430033.890698877 3.59178030840705 378.493815443504 34.8038134115525 -74.9644253133919 1435668.32570087 T 15 CATAB v2.0f-lin.ifort 2020-Nov-12 00:43:49 2020-Nov-12 00:43
1992-Jan-09 03:44 00:02 Jupiter 1.80173724368772 1.80173605674272 1.80173843063528 2.54471207099428 2.35272838286832 2448630.655568378 1.49633373807746 238.46817384411 30.8509335022355 -86.595702012473 1024297.01576278 T 15 CATAB v2.0f-lin.ifort 2020-Nov-12 00:43:49 2020-Nov-12 00:43
2001-Jun-07 22:34 < 00:01 Jupiter 1.80915342062112 1.80915227838508 1.80915456285623 2.53112553457212 2.33885057794499 2452068.440453567 0.964794633857604 187.558917447524 30.0155812040764 -85.3947971428248 703557.478437931 T 15 CATAB v2.0f-lin.ifort 2020-Nov-12 00:43:49 2020-Nov-12 00:43
2062-Jan-17 00:36 00:03 Jupiter 1.73023711577517 1.73023593946331 1.73023829208703 0.700758804007666 n/a 2474206.524752005 3.27661036687993 207.601641666735 58.6434950252267 -89.6257958413929 4412475.9007564 F 15 CATAB v2.0f-lin.ifort 2020-Nov-12 00:43:49 2020-Nov-12 00:43
2122-Jul-03 18:58 00:06 Jupiter 1.76812176692294 1.76811995096867 1.76812358295198 2.66580456039744 2.47959869226982 2496288.290259855 5.73620726802982 718.35288356124 33.0431455315692 89.9881819452744 1037774.64703855 T 15 CATAB v2.0f-lin.ifort 2020-Nov-12 00:43:49 2020-Nov-12 00:43
2131-Dec-07 02:55 00:07 Jupiter 1.85305746364546 1.85305567333601 1.8530592539685 2.418193929742 2.22114221284183 2499731.621715935 7.34274767793215 472.322992992768 83.9357015875429 69.9947697346867 388660.748965886 T 15 CATAB v2.0f-lin.ifort 2020-Nov-12 00:43:49 2020-Nov-12 00:43
2182-Oct-10 19:58 00:08 Jupiter 1.99743925639293 1.99743433417701 1.9974441787493 3.81549944898336 3.70269194442217 2518302.332102356 8.16126725977744 896.065605923074 35.1338113883762 -76.2049529918936 1448117.29535205 T 15 CATAB v2.0f-lin.ifort 2020-Nov-12 00:43:49 2020-Nov-12 00:43
2192-Jul-28 02:15 00:12 Jupiter 1.73533984102995 1.73533804387012 1.73534163850908 1.0660894090884 0.400428532913807 2521880.593868419 12.1272968092687 58714.0174849554 321.687972894516 -2.14727597569636 469193.913951336 T 15 CATAB v2.0f-lin.ifort 2020-Nov-12 00:43:49 2020-Nov-12 00:43
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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