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20406 (1998 QJ13)
Classification: Main-belt Asteroid          SPK-ID: 2020406
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 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1528699122044598 3.2738e-08  
a 2.930408231071139 1.6869e-08 au
q 2.482436982064067 9.5688e-08 au
i 7.303175869576727 3.5134e-06 deg
node 128.7989313515101 3.66e-05 deg
peri 129.5110348427136 3.9611e-05 deg
M 172.4611227892336 1.6133e-05 deg
tp 2458122.732849932331
(2018-Jan-04.23284993)
7.9916e-05 TDB
period 1832.274827588494
5.02
1.5822e-05
4.332e-08
d
yr
n .1964770756981941 1.6966e-09 deg/d
Q 3.37837948007821 1.9448e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1604  
   data-arc span      9479 days (25.95 yr)  
   first obs. used      1994-11-28  
   last obs. used      2020-11-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52858  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 03:13:40  

Additional Information
 Earth MOID = 1.47496 au 
 Jupiter MOID = 1.73257 au 
 T_jup = 3.247 
[ 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 13.6   n/a MPO416925  
diameter diameter 5.270 km 1.370 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.211   0.128 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

20406 (1998 QJ13)          Discovered 1998-Aug-17 by LINEAR at Socorro
Reference: 20010109/Numbers.arcLast Updated: 2004-04-19

[ 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
1930-Mar-05 13:09 00:02 Jupiter 1.75574998116019 1.75574926521145 1.75575069710832 1.82695188486306 1.54042126912568 2426041.048072968 2.4349424480364 82.3802433788165 58.1859088039227 66.6862950862509 1295455.21187072 T 35 CATAB v2.0f-lin.ifort 2020-Dec-18 03:13:44 2020-Dec-18 03:13
1964-Nov-10 19:20 00:01 Jupiter 1.74099695530975 1.74099653545271 1.74099737516688 1.66652959772895 1.34323836767699 2438710.305545502 1.44599720802191 140.531579825157 46.7324651053864 76.4188286205223 2370763.43692999 T 35 CATAB v2.0f-lin.ifort 2020-Dec-18 03:13:44 2020-Dec-18 03:13
1999-Jul-11 21:44 < 00:01 Jupiter 1.88107981742378 1.8810793648403 1.88108027000715 2.60289133015017 2.42373116400296 2451371.405254854 0.477888645241984 42.9715950021529 11.1038680131312 84.2637167430115 2556337.82321067 T 35 CATAB v2.0f-lin.ifort 2020-Dec-18 03:13:44 2020-Dec-18 03:13
2026-Jan-09 10:16 < 00:01 Jupiter 1.93948228801883 1.93948195745894 1.9394826185786 2.66598382971697 2.49680147404402 2461049.927653140 0.323453657791849 52.2658898932433 11.7756285927725 -87.2529468093978 3547414.69828384 T 35 CATAB v2.0f-lin.ifort 2020-Dec-18 03:13:44 2020-Dec-18 03:13
2060-Sep-18 04:53 00:01 Jupiter 1.75430177862461 1.75430141136738 1.75430214588164 1.87708847487311 1.59931520862032 2473720.703695492 1.2446706854246 70.0704054943615 40.3295794074666 -83.9866107131764 2175325.98892844 T 35 CATAB v2.0f-lin.ifort 2020-Dec-18 03:13:44 2020-Dec-18 03:13
2095-May-28 07:01 00:02 Jupiter 1.74769040322677 1.74768983052182 1.74769097593499 1.70027283950969 1.38622607722364 2486390.792084489 2.29694359255044 202.137155536249 45.1898936272023 79.8034845424491 2321506.92303092 T 35 CATAB v2.0f-lin.ifort 2020-Dec-18 03:13:44 2020-Dec-18 03:13
2130-Jan-26 17:13 00:03 Jupiter 1.89017342364369 1.89017199292932 1.89017485436451 2.60116366351113 2.42277000957636 2499052.217480509 3.29903751953596 212.775830380088 12.1380561096913 -86.7835703075782 2570746.38110201 T 35 CATAB v2.0f-lin.ifort 2020-Dec-18 03:13:44 2020-Dec-18 03:13
2156-Jul-24 05:11 00:04 Jupiter 1.93087489112011 1.93087302967218 1.93087675257692 2.65979231914358 2.48940742993112 2508727.716069699 3.88414349148605 243.229499416413 13.8995592950758 -77.201922678915 2422168.90713078 T 35 CATAB v2.0f-lin.ifort 2020-Dec-18 03:13:44 2020-Dec-18 03:13
2191-Apr-06 05:36 00:05 Jupiter 1.75441710980843 1.75441615767388 1.75441806194397 1.93893618036782 1.67149184419637 2521401.733391175 4.86257646544199 147.521715479792 44.1573293239626 69.8878149447739 1405920.36336706 T 35 CATAB v2.0f-lin.ifort 2020-Dec-18 03:13:44 2020-Dec-18 03:13

Alternate Designations
 1998 QJ13 = 1994 WJ7 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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