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JPL Small-Body Database Browser
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(2021 JV)
Classification: Apollo [NEO]          SPK-ID: 54143222
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 2 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4965752715959258 0.00020358  
a 1.88305340813815 0.00070685 au
q .9479756505623144 2.7803e-05 au
i 5.518818034758193 0.0012826 deg
node 224.6144759296927 0.00015648 deg
peri 34.50493789733953 0.003433 deg
M 11.18766746178716 0.006331 deg
tp 2459367.168826963204
(2021-Jun-01.66882696)
0.00091791 TDB
period 943.8269710208103
2.58
0.53143
0.001455
d
yr
n .3814258450472511 0.00021477 deg/d
Q 2.818131165713985 0.0010579 au
  Orbit Determination Parameters
   # obs. used (total)      35  
   data-arc span      1 day  
   first obs. used      2021-05-03  
   last obs. used      2021-05-04  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      7  
   norm. resid. RMS      .45834  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-15 06:33:21  

Additional Information
 Earth MOID = .000629506 au 
 Jupiter MOID = 2.26814 au 
 T_jup = 3.803 
[ 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 27.45   .28891 MPO622835 autocmod 2.9c

[ 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
2016-Aug-14 03:46 3_11:59 Earth 0.23578825822089 0.188108056008713 0.285273061583646 16.1131303904502 16.112429064817 2457614.656763828 5039.04371797626 2632334.30878911 451.769327167076 -22.5099411158674 27491.7435708736 T 2 CATAB v2.0g-lin.ifort 2021-May-15 06:33:21 2021-May-15 06:33
2021-May-04 21:29 < 00:01 Earth 0.000935956739026256 0.000934937910319722 0.00093697546424581 10.1939743149919 9.91077783342178 2459339.395485592 0.376454385998765 48.31578655326 2.99013618367709 2.21415679004458 1784.77998359859 T 2 CATAB v2.0g-lin.ifort 2021-May-15 06:33:21 2021-May-15 06:33
2021-May-05 06:05 < 00:01 Moon 0.00229103683471688 0.00229004862403972 0.00229202576787566 9.46892483231267 9.46741398462497 2459339.753437182 0.88042966260182 81.2007412426902 5.2152067045605 52.8110677739652 37742.9670944598 T 2 CATAB v2.0g-lin.ifort 2021-May-15 06:33:21 2021-May-15 06:33
2034-Mar-31 05:01 7_01:58 Earth 0.466076964128937 0.328105797210733 0.604158663665748 23.4770776146803 23.4768341068478 2464052.708692381 10197.7155818103 6892120.4479093 278.627340480826 2.85696040315321 11413.6838548709 T 2 CATAB v2.0g-lin.ifort 2021-May-15 06:33:21 2021-May-15 06:33
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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