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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09452653320882375 5.0595e-08  
a 3.195518382418745 2.368e-08 au
q 2.893457107923632 1.6066e-07 au
i 5.718376833608405 4.1223e-06 deg
node 108.0622962748708 5.0136e-05 deg
peri 243.3482619005007 5.4859e-05 deg
M 120.3586919081302 2.0951e-05 deg
tp 2458698.933902139919
(2019-Aug-03.43390214)
0.00012215 TDB
period 2086.461652651659
5.71
2.3192e-05
6.35e-08
d
yr
n .1725409137246689 1.9179e-09 deg/d
Q 3.497579656913856 2.5918e-08 au
  Orbit Determination Parameters
   # obs. used (total)      984  
   data-arc span      10728 days (29.37 yr)  
   first obs. used      1991-11-03  
   last obs. used      2021-03-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55358  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 10:48:39  

Additional Information
 Earth MOID = 1.89242 au 
 Jupiter MOID = 1.90367 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 14.33   n/a MPCxxxxx  

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 05:19 00:03 Jupiter 1.90522746074104 1.90522702556931 1.90522789591278 3.0814433435661 2.93362178334922 2417881.721703949 3.06414515062421 121.543190868143 14.8605693461902 -86.6830155874463 3031481.60796165 T 33 CATAB v2.0g-lin.ifort 2021-Jul-09 10:48:42 2021-Jul-09 10:48
1918-Oct-10 16:15 00:03 Jupiter 1.94739834890386 1.94739789987073 1.9473987979371 3.5176483441317 3.3917470764342 2421877.176767893 2.78326295148972 62.7598699007988 15.2485085848975 84.6844006190517 3010742.24619067 T 33 CATAB v2.0g-lin.ifort 2021-Jul-09 10:48:42 2021-Jul-09 10:48
2028-Feb-09 04:24 < 00:01 Jupiter 1.95327740589337 1.95327691003258 1.95327790175417 2.72184656252107 2.55757020122787 2461810.683313250 0.577250557683566 51.101298713432 13.9964237487889 -86.4355857089147 2766342.96274494 T 33 CATAB v2.0g-lin.ifort 2021-Jul-09 10:48:42 2021-Jul-09 10:48
2039-Jan-27 20:53 < 00:01 Jupiter 1.92013108352599 1.92013060642687 1.920131560625 2.87942770487268 2.72192009907055 2465816.370419325 0.951150524013874 60.5534552487954 15.0912098867677 -87.9456955318804 2816887.08601474 T 33 CATAB v2.0g-lin.ifort 2021-Jul-09 10:48:42 2021-Jul-09 10:48
2050-Jan-10 08:08 00:01 Jupiter 1.92966354780864 1.92966309848593 1.92966399713134 3.24805662651887 3.10997994730756 2469816.838935296 1.3476695926756 63.7297979241771 15.3243645943358 87.0847016942633 3167112.80752619 T 33 CATAB v2.0g-lin.ifort 2021-Jul-09 10:48:42 2021-Jul-09 10:48
2060-Dec-16 01:05 00:02 Jupiter 1.98806631468672 1.98806581715076 1.98806681222268 3.77562439002291 3.661042561295 2473809.544839567 1.73592052022249 49.5036563143883 19.1546037741247 83.366955732398 2915889.59163404 T 33 CATAB v2.0g-lin.ifort 2021-Jul-09 10:48:42 2021-Jul-09 10:48
2159-May-04 06:04 00:04 Jupiter 1.98679876301366 1.98679810383142 1.98679942219951 2.73267782789663 2.57194043070173 2509741.752446113 4.42268303077748 220.8367890959 13.986366539652 -86.3265080484449 2658766.89061951 T 33 CATAB v2.0g-lin.ifort 2021-Jul-09 10:48:42 2021-Jul-09 10:48
2170-Apr-21 11:08 00:05 Jupiter 1.9458261432941 1.94582559535334 1.94582669123641 2.72491197869241 2.56018373919112 2513746.964218874 4.82366671353013 241.788287943206 14.039554306026 -85.4483467819362 2651018.19541433 T 33 CATAB v2.0g-lin.ifort 2021-Jul-09 10:48:42 2021-Jul-09 10:48
2181-Apr-07 09:38 00:05 Jupiter 1.94091197342129 1.94091149837735 1.94091244846634 3.01054900332191 2.86192182211799 2517750.901054604 5.26603204137253 229.31297981106 15.0805741240708 -87.9754752779357 3006125.12668919 T 33 CATAB v2.0g-lin.ifort 2021-Jul-09 10:48:42 2021-Jul-09 10:48
2192-Mar-20 10:51 00:06 Jupiter 1.9720955470672 1.97209483275158 1.97209626138663 3.48179448251825 3.35617121718786 2521750.952340859 5.75553031825827 173.952307166773 15.211130084007 84.9301428480764 3303763.6457678 T 33 CATAB v2.0g-lin.ifort 2021-Jul-09 10:48:42 2021-Jul-09 10:48
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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