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(2020 RD2)
Classification: Amor [NEO]          SPK-ID: 54053821
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.


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Orbital Elements at Epoch 2459104.5 (2020-Sep-12.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2110531638712517 0.0017689  
a 1.289658023310273 0.0030263 au
q 1.017471617178695 0.00010636 au
i 49.5969093381899 0.073775 deg
node 348.5969315897983 0.0022198 deg
peri 21.04831229994863 0.1316 deg
M 347.9079998275967 0.13536 deg
tp 2459122.468255619956
(2020-Sep-29.96825562)
0.13789 TDB
period 534.9464051403935
1.46
1.883
0.005155
d
yr
n .6729646120446779 0.0023688 deg/d
Q 1.56184442944185 0.0036651 au
  Orbit Determination Parameters
   # obs. used (total)      85  
   data-arc span      6 days  
   first obs. used      2020-09-10  
   last obs. used      2020-09-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      8  
   norm. resid. RMS      .47732  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Sep-16 07:59:42  

Additional Information
 Earth MOID = .0226988 au 
 Jupiter MOID = 3.90144 au 
 T_jup = 4.666 
[ 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 23.374   .36815 5 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
2017-Sep-25 10:16 6_04:21 Earth 0.393348839383606 0.223746020207876 0.575825398797577 27.515221753909 27.5149755678766 2458021.927670126 8900.5223681004 9473917.16529973 360.778697158315 19.6531973062194 53023.0959470521 T 5 CATAB v2.0f-lin.ifort 2020-Sep-16 07:59:56 2020-Sep-16 08:00
2020-Sep-10 12:10 < 00:01 Earth 0.0299677471714082 0.0298024291434131 0.0301330647235187 26.0771360576716 26.0737262745055 2459103.006917696 0.0354488886299587 8241.57838114999 14.6299219829904 -0.0598850648247929 470.632080434356 T 5 CATAB v2.0f-lin.ifort 2020-Sep-16 07:59:56 2020-Sep-16 08:00
2023-Aug-26 08:57 6_22:23 Earth 0.437965779734812 0.26970900212542 0.618001735737053 29.4867093364559 29.486503013577 2460182.872796523 9983.23210916834 9398185.51230094 144.424807952527 -20.5398018459231 149947.461754444 T 5 CATAB v2.0f-lin.ifort 2020-Sep-16 07:59:56 2020-Sep-16 08:00
2118-Sep-28 18:47 8_21:38 Earth 0.439583841022106 0.209749802011864 0.696285227461656 27.9379076878565 27.9376907284693 2494914.282614701 12818.1099297268 13303108.6639976 386.619648579087 19.9920710262654 56017.4777544723 T 5 CATAB v2.0f-lin.ifort 2020-Sep-16 07:59:56 2020-Sep-16 08:00
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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