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(2020 RA1)
Classification: Apollo [NEO]          SPK-ID: 54053753
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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3290932488130592 0.00034845  
a 1.45847515310278 0.00075237 au
q .9785008266550619 3.4747e-06 au
i 14.90891232687116 0.011002 deg
node 346.7728235757181 1.8739e-05 deg
peri 37.84748611828964 0.0072222 deg
M 284.6105927553679 0.064166 deg
tp 2459135.227051988723
(2020-Oct-12.72705199)
0.010421 TDB
period 643.3495167107022
1.76
0.49781
0.001363
d
yr
n .5595714159242662 0.00043299 deg/d
Q 1.938449479550497 0.00099996 au
  Orbit Determination Parameters
   # obs. used (total)      110  
   data-arc span      8 days  
   first obs. used      2020-09-07  
   last obs. used      2020-09-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .45798  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-09 06:35:12  

Additional Information
 Earth MOID = .0225057 au 
 Jupiter MOID = 3.56575 au 
 T_jup = 4.534 
[ 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 25.31   .4609 9 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
1969-Aug-13 22:48 3_16:50 Earth 0.430491693032793 0.37805446712281 0.483091582458363 19.6917916209839 19.691477305471 2440447.449920261 5329.98999168082 2651927.60503986 81.4609086072977 -8.99272760110478 105207.91717363 T 9 CATAB v2.0f-lin.ifort 2020-Nov-09 06:35:30 2020-Nov-09 06:35
1989-Jul-26 15:54 3_22:32 Mars 0.0260634476919073 0.0215871252231628 0.313818262208833 8.21653062912375 8.21519366061091 2447734.162254382 5671.51933363253 14883833.7297123 145.698345929559 55.9333378254456 22447.3414712971 T 9 CATAB v2.0f-lin.ifort 2020-Nov-09 06:35:30 2020-Nov-09 06:35
2013-Aug-22 14:32 6_02:00 Earth 0.283708232035537 0.182762794282089 0.384937046797825 15.9252096975582 15.9246199538704 2456527.105293208 8759.89322185672 5060602.5409253 39.8501321032219 -4.75889257755881 75063.8925639633 T 9 CATAB v2.0f-lin.ifort 2020-Nov-09 06:35:30 2020-Nov-09 06:35
2014-Jan-19 13:42 8_01:10 Earth 0.494560911886087 0.451967614612212 0.545181819591801 8.17881379574223 8.1781550470933 2456677.070692207 11590.2604623948 3913374.9640478 193.462735552218 53.2321699896677 196090.121606372 T 9 CATAB v2.0f-lin.ifort 2020-Nov-09 06:35:30 2020-Nov-09 06:35
2020-Sep-11 09:13 < 00:01 Earth 0.0219707865788956 0.0219162699799434 0.0220253025180618 9.98637540860914 9.97422409677741 2459103.884007762 0.0560195053740987 2711.86001252641 10.8730040653575 -0.16180424901967 775.826581956182 T 9 CATAB v2.0f-lin.ifort 2020-Nov-09 06:35:30 2020-Nov-09 06:35
2072-Apr-29 16:55 7_06:34 Mars 0.0438773424100604 0.0176668893996819 0.283147144377016 8.87081879149952 8.87008322800057 2477962.204834491 10474.3865863837 12089201.8643537 149.915922077298 -23.7513751349455 17483.4013491733 T 9 CATAB v2.0f-lin.ifort 2020-Nov-09 06:35:30 2020-Nov-09 06:35
2100-Jul-15 18:47 1_15:58 Mars 0.0760050696414902 0.0196668258253332 0.287092805614472 7.58726799257635 7.58677152326251 2488265.282583645 2397.84544292185 10621635.0330526 134.605935640932 15.0004044074427 22717.8096414024 T 9 CATAB v2.0f-lin.ifort 2020-Nov-09 06:35:30 2020-Nov-09 06:35
2124-Aug-15 09:42 6_23:00 Earth 0.43155140192605 0.308395903119927 0.554876234058833 19.7996575658811 19.7993457303732 2497061.903851257 10020.0348019045 6160256.83587012 54.9967526760739 -3.81856171757548 67451.2024356229 T 9 CATAB v2.0f-lin.ifort 2020-Nov-09 06:35:30 2020-Nov-09 06:35
2128-Oct-01 01:44 06:45 Mars 0.0857012931702082 0.0236970079128087 0.153349442213534 7.49390864830993 7.49346286548261 2498569.572143726 404.93358009364 3416503.11275861 156.483882232178 12.2196766392286 17998.5671191723 T 9 CATAB v2.0f-lin.ifort 2020-Nov-09 06:35:30 2020-Nov-09 06:35
2131-Sep-05 04:03 4_01:25 Earth 0.105893756139231 0.0546409432616044 0.159563097840905 11.8237055876996 11.8215773139688 2499638.668522930 5844.65903746874 2735616.70902224 29.4203767512244 -14.7322227379383 116284.64278466 T 9 CATAB v2.0f-lin.ifort 2020-Nov-09 06:35:30 2020-Nov-09 06:35
2138-Oct-08 02:29 7_03:36 Earth 0.183677970648122 0.161042603753823 0.221079056726085 9.10920447667379 9.10761185434497 2502228.603535304 10295.7851172667 3020166.27757171 296.872032297003 58.9678965149061 67190.3572652596 T 9 CATAB v2.0f-lin.ifort 2020-Nov-09 06:35:30 2020-Nov-09 06:35
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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