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52074 (2002 RJ2)
Classification: Main-belt Asteroid          SPK-ID: 2052074
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | 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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2320234892402813 2.8619e-08  
a 2.295203361144347 6.3297e-09 au
q 1.762662268775614 6.6982e-08 au
i 3.138346867445913 2.9368e-06 deg
node 164.093808849621 6.8013e-05 deg
peri 127.6659303019993 6.8513e-05 deg
M 186.6967413784763 7.812e-06 deg
tp 2460007.912638499229
(2023-Mar-04.41263850)
2.7909e-05 TDB
period 1270.077386948717
3.48
5.2539e-06
1.438e-08
d
yr
n .2834472951800819 1.1725e-09 deg/d
Q 2.82774445351308 7.7983e-09 au
  Orbit Determination Parameters
   # obs. used (total)      746  
   data-arc span      10299 days (28.20 yr)  
   first obs. used      1992-11-21  
   last obs. used      2021-02-01  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53989  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 10:42:53  

Additional Information
 Earth MOID = .748334 au 
 Jupiter MOID = 2.37082 au 
 T_jup = 3.557 
[ 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 16.51   n/a MPCxxxxx  

52074 (2002 RJ2)          Discovered 2002-Sep-04 by LONEOS at Anderson Mesa
Reference: 20021120/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
1941-Jan-19 07:54 00:08 Psych 0.0252772081971109 0.0252756739245687 0.0252787424758545 2.56383318145306 2.56383299475736 2430013.829144288 8.23846903401983 80.197829089896 45.675598034846 21.8878218486778 53424.1062428492 T 17 CATAB v2.0f-lin.ifort 2021-Apr-13 10:42:54 2021-Apr-13 10:42
2021-Jan-31 18:39 00:02 Psych 0.0234765051016493 0.023475667637263 0.0234773425818109 2.53669012262627 2.53668991945967 2459246.276763678 2.22646054372998 57.6491430749434 27.0766187111577 51.5065066166489 108125.176368858 T 17 CATAB v2.0f-lin.ifort 2021-Apr-13 10:42:54 2021-Apr-13 10:42
2100-Dec-24 08:01 00:12 Psych 0.0325740422967223 0.0325722071443979 0.032575877458418 2.59594796120175 2.59594781811957 2488426.833875486 11.6425632412233 96.678449977989 45.4346276810152 21.8211362212909 61341.0795608702 T 17 CATAB v2.0f-lin.ifort 2021-Apr-13 10:42:54 2021-Apr-13 10:42
2181-Jan-14 23:13 00:21 Psych 0.0308615287665616 0.0308604441399184 0.0308626134458555 2.60916231013388 2.60916215987691 2517668.467325839 20.5144913790643 156.245824649943 48.6608533153219 -80.9927146258977 93622.5989844024 T 17 CATAB v2.0f-lin.ifort 2021-Apr-13 10:42:54 2021-Apr-13 10:42

Alternate Designations
 2002 RJ2 = 1995 SJ33 = 1998 HK74 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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