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(2020 WC)
Classification: Apollo [NEO]          SPK-ID: 54088804
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4782493117605108 0.00015274  
a 1.904865881469328 0.00056182 au
q .9938650846605432 2.1898e-06 au
i .3304112133190233 8.066e-05 deg
node 226.1605221492965 0.00073622 deg
peri 204.4999142428983 0.00067785 deg
M 290.9865164108646 0.030706 deg
tp 2459184.588424377071
(2020-Dec-01.08842438)
0.00046421 TDB
period 960.2736933305405
2.63
0.42483
0.001163
d
yr
n .3748931190142294 0.00016586 deg/d
Q 2.815866678278113 0.00083051 au
  Orbit Determination Parameters
   # obs. used (total)      68  
   data-arc span      10 days  
   first obs. used      2020-11-16  
   last obs. used      2020-11-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      6  
   norm. resid. RMS      .42345  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-01 05:19:26  

Additional Information
 Earth MOID = .00863966 au 
 Jupiter MOID = 2.504 au 
 T_jup = 3.794 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 27.548   .58007 8 autocmod 2.8

[ 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
1936-Oct-02 21:35 6_17:52 Earth 0.411090213208831 0.28920353252502 0.532976060661398 19.2272576149321 19.226920512659 2428444.399158988 9712.0497631071 6077905.11978112 13.5882983621772 -0.277455590501193 18360.6180275667 T 8 CATAB v2.0f-lin.ifort 2020-Dec-01 05:19:26 2020-Dec-01 05:19
1971-Jan-10 21:55 5_21:17 Earth 0.169657384261068 0.0992441844879301 0.24006435668164 11.8243683626245 11.8230400936375 2440962.413265585 8476.61038359593 3510692.11621141 19.9686585961748 -0.315621769667611 5312.59966750767 T 8 CATAB v2.0f-lin.ifort 2020-Dec-01 05:19:26 2020-Dec-01 05:19
1978-Oct-06 12:47 6_04:17 Earth 0.376793989048029 0.27160431922902 0.481982121618276 18.1265060337826 18.1261159131099 2443788.032703243 8897.19424884001 5245207.91350446 12.6701358351574 -0.133095054101709 8231.77407507316 T 8 CATAB v2.0f-lin.ifort 2020-Dec-01 05:19:26 2020-Dec-01 05:19
1992-Jan-28 16:26 8_05:31 Earth 0.444185320203526 0.290937364006525 0.597464157834151 20.2017428896517 20.2014459538886 2448650.184443299 11851.4752773287 7644857.1802269 30.4362143201541 1.34736225683709 44292.9697024976 T 8 CATAB v2.0f-lin.ifort 2020-Dec-01 05:19:26 2020-Dec-01 05:19
2016-Jan-04 03:05 2_07:05 Mars 0.06078905292647 0.0513624348401759 0.0826679782207006 12.6291859401426 12.6288130234154 2457391.628710641 3305.16426190885 1608716.17445921 36.6765780407605 57.663940024864 208609.461247074 T 8 CATAB v2.0f-lin.ifort 2020-Dec-01 05:19:26 2020-Dec-01 05:19
2020-Nov-23 13:49 < 00:01 Earth 0.0107391407507327 0.0107296842505122 0.0107485970374803 6.26806715474833 6.22835833178249 2459177.075730524 0.0437066256402745 465.430089016878 1.65296425771209 -0.0800833532938437 1919.73366009899 T 8 CATAB v2.0f-lin.ifort 2020-Dec-01 05:19:26 2020-Dec-01 05:19
2034-Jan-28 00:45 6_02:36 Earth 0.425657950856752 0.315833499158457 0.535501063197681 19.6333737167886 19.6330548860394 2463990.531585530 8796.46912115685 5478769.51022488 30.30144013126 1.46830681662129 46263.1253121549 T 8 CATAB v2.0f-lin.ifort 2020-Dec-01 05:19:26 2020-Dec-01 05:19
2041-Oct-05 13:02 9_14:59 Earth 0.404028361087086 0.236341447907629 0.571711427117033 18.9524299335822 18.9520819653538 2466798.042961295 13859.3670387001 8361541.34056597 12.4929617689992 -0.0425417854087625 2495.44461406116 T 8 CATAB v2.0f-lin.ifort 2020-Dec-01 05:19:26 2020-Dec-01 05:19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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