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52081 (2002 RM71)
Classification: Main-belt Asteroid          SPK-ID: 2052081
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09290130180806989 3.7795e-08  
a 2.406737772328584 1.0113e-08 au
q 2.183148700168605 8.9917e-08 au
i 5.471142641936773 4.0125e-06 deg
node 252.5917165958609 3.7501e-05 deg
peri 347.4278043802132 4.3497e-05 deg
M 53.03129146631888 1.9865e-05 deg
tp 2458999.603999525665
(2020-May-30.10399953)
7.5752e-05 TDB
period 1363.771429490719
3.73
8.596e-06
2.353e-08
d
yr
n .2639738538403292 1.6639e-09 deg/d
Q 2.630326844488564 1.1053e-08 au
  Orbit Determination Parameters
   # obs. used (total)      801  
   data-arc span      10502 days (28.75 yr)  
   first obs. used      1991-10-09  
   last obs. used      2020-07-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5573  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 10:42:55  

Additional Information
 Earth MOID = 1.16937 au 
 Jupiter MOID = 2.37766 au 
 T_jup = 3.510 
[ 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 15.98   n/a E2021B10  

52081 (2002 RM71)          Discovered 2002-Sep-05 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
1948-Aug-21 12:29 < 00:01 Iris 0.0458254970266583 0.0458129668011872 0.0458380273364172 5.88303715536049 5.88303713403671 2432785.020069836 0.939204266519647 632.306158076444 40.2898720791145 -8.93836023161362 28514.5208244649 T 28 CATAB v2.0f-lin.ifort 2021-Apr-13 10:42:57 2021-Apr-13 10:42
1973-Apr-29 10:31 00:04 Thisb 0.0447868776918601 0.0447848359482719 0.0447889199680581 2.41379100684576 2.41379094377554 2441801.938458442 3.81153690670876 294.068502013394 48.0143830376197 71.9819327632144 132683.19702455 T 28 CATAB v2.0f-lin.ifort 2021-Apr-13 10:42:57 2021-Apr-13 10:42
2023-Jan-18 20:07 < 00:01 Hebe 0.0375550803731651 0.0375536846532384 0.0375564761759256 7.96534967335444 7.9653496525726 2459963.338503696 0.276088111078931 128.458951197722 40.3810649881597 62.3050168446546 124832.890837286 T 28 CATAB v2.0f-lin.ifort 2021-Apr-13 10:42:57 2021-Apr-13 10:42
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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