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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09246883476080572 3.7838e-08  
a 2.405768317968601 1.0108e-08 au
q 2.183309724901581 8.9955e-08 au
i 5.473071097001211 4.0201e-06 deg
node 252.6030731433591 3.8803e-05 deg
peri 347.3946237680374 4.4724e-05 deg
M .2630744254075325 2.0335e-05 deg
tp 2458999.504009356683
(2020-May-30.00400936)
7.6992e-05 TDB
period 1362.947504451042
3.73
8.5897e-06
2.352e-08
d
yr
n .264133430542505 1.6646e-09 deg/d
Q 2.628226911035621 1.1043e-08 au
  Orbit Determination Parameters
   # obs. used (total)      771  
   data-arc span      10479 days (28.69 yr)  
   first obs. used      1991-10-09  
   last obs. used      2020-06-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56244  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 22:02:42  

Additional Information
 Earth MOID = 1.17099 au 
 Jupiter MOID = 2.38078 au 
 T_jup = 3.511 
[ 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 15.9   n/a MPO432078  

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 26 CATAB v2.0f-lin.ifort 2020-Jun-23 22:03:01 2020-Jun-23 22:03
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 26 CATAB v2.0f-lin.ifort 2020-Jun-23 22:03:01 2020-Jun-23 22:03
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 26 CATAB v2.0f-lin.ifort 2020-Jun-23 22:03:01 2020-Jun-23 22:03
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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