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78491 (2002 RQ61)
Classification: Main-belt Asteroid          SPK-ID: 2078491
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 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09435752090695353 5.2169e-08  
a 3.194070954938114 2.4375e-08 au
q 2.892686338029248 1.6706e-07 au
i 5.718771993171996 4.1651e-06 deg
node 108.0615810099722 5.2933e-05 deg
peri 243.087467520286 5.7517e-05 deg
M 52.29309782474007 2.1145e-05 deg
tp 2458697.629387723368
(2019-Aug-02.12938772)
0.00012292 TDB
period 2085.044201913837
5.71
2.3867e-05
6.534e-08
d
yr
n .1726582101566769 1.9764e-09 deg/d
Q 3.495455571846981 2.6675e-08 au
  Orbit Determination Parameters
   # obs. used (total)      890  
   data-arc span      10574 days (28.95 yr)  
   first obs. used      1991-11-03  
   last obs. used      2020-10-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57233  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:26:39  

Additional Information
 Earth MOID = 1.89236 au 
 Jupiter MOID = 1.90501 au 
 T_jup = 3.181 
[ 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 14.3   n/a MPO453206  

78491 (2002 RQ61)          Discovered 2002-Sep-05 by LINEAR at Socorro
Reference: 20040415/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
1907-Nov-02 05:20 00:03 Jupiter 1.90522745005472 1.90522701114048 1.90522788896897 3.08144278274605 2.93362119258294 2417881.722037517 3.21079616630958 127.255424593321 14.9566000498331 -86.8782229814392 3002087.9421628 T 28 CATAB v2.0f-lin.ifort 2020-Nov-12 21:26:41 2020-Nov-12 21:26
1918-Oct-10 16:15 00:03 Jupiter 1.94739828005501 1.9473978245913 1.94739873551884 3.51764776718575 3.39174647282989 2421877.177103914 2.91547165612447 66.0079694509731 15.2789790308573 84.6707276880223 2946144.75429187 T 28 CATAB v2.0f-lin.ifort 2020-Nov-12 21:26:41 2020-Nov-12 21:26
2028-Feb-09 04:24 < 00:01 Jupiter 1.95327738557204 1.95327687577386 1.9532778953701 2.72184631429667 2.55756993435904 2461810.683359126 0.599310543188959 52.094276811666 14.3218578930966 -85.7402575852992 2662962.3351802 T 28 CATAB v2.0f-lin.ifort 2020-Nov-12 21:26:41 2020-Nov-12 21:26
2039-Jan-27 20:53 < 00:01 Jupiter 1.92013109621096 1.92013061350606 1.92013157891587 2.87942739223519 2.72191976851722 2465816.370477091 0.993049608563183 63.1591473110585 15.3624317810394 -87.1279361747081 2768127.17695737 T 28 CATAB v2.0f-lin.ifort 2020-Nov-12 21:26:41 2020-Nov-12 21:26
2050-Jan-10 08:08 00:01 Jupiter 1.9296635598606 1.92966310965983 1.92966401006147 3.24805637049877 3.10997968002251 2469816.839006318 1.4100030850475 67.2032651719613 15.421840674894 87.4923084141762 3156712.96850963 T 28 CATAB v2.0f-lin.ifort 2020-Nov-12 21:26:41 2020-Nov-12 21:26
2060-Dec-16 01:05 00:02 Jupiter 1.98806630122917 1.98806578517564 1.9880668172827 3.775624257222 3.66104242290709 2473809.544925938 1.8187980779375 52.0653517399899 19.7909069957217 83.1579784420082 2817640.57753164 T 28 CATAB v2.0f-lin.ifort 2020-Nov-12 21:26:41 2020-Nov-12 21:26
2159-May-04 06:04 00:05 Jupiter 1.98679880961766 1.98679810294958 1.98679951629002 2.73267806131315 2.57194068167847 2509741.753059028 4.63689606197062 230.377582903786 14.3331572996318 -86.1041457492536 2572838.23684846 T 28 CATAB v2.0f-lin.ifort 2020-Nov-12 21:26:41 2020-Nov-12 21:26
2170-Apr-21 11:10 00:05 Jupiter 1.94582619383407 1.94582561783274 1.94582676983771 2.72491144814664 2.56018317798571 2513746.964933538 5.05677395902694 253.087120424777 14.3650923540309 -85.2533567225089 2585025.60520256 T 28 CATAB v2.0f-lin.ifort 2020-Nov-12 21:26:41 2020-Nov-12 21:26
2181-Apr-07 09:39 00:06 Jupiter 1.94091197241807 1.94091149645752 1.94091244837949 3.01054782028477 2.86192057672137 2517750.901880589 5.52020194765276 240.489132323447 15.3190992954229 -87.8087002220223 2974012.55122301 T 28 CATAB v2.0f-lin.ifort 2020-Nov-12 21:26:41 2020-Nov-12 21:26
2192-Mar-20 10:53 00:06 Jupiter 1.97209544288339 1.97209470571452 1.97209618005652 3.48179284461465 3.35616951050891 2521750.953299955 6.03393933740147 182.545829822599 15.363791923761 84.980944839452 3259199.80015318 T 28 CATAB v2.0f-lin.ifort 2020-Nov-12 21:26:41 2020-Nov-12 21:26
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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