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52265 (1985 RM3)
Classification: Main-belt Asteroid          SPK-ID: 2052265
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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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 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1692580946037607 3.1576e-08  
a 2.214637794751754 6.4342e-09 au
q 1.839792421374598 7.1553e-08 au
i 3.780329143515571 3.2325e-06 deg
node 157.2679147912281 4.9782e-05 deg
peri 241.3893035621854 5.0612e-05 deg
M 273.6540240234801 1.0015e-05 deg
tp 2459685.230118922858
(2022-Apr-15.73011892)
3.4069e-05 TDB
period 1203.794868686111
3.30
5.2461e-06
1.436e-08
d
yr
n .2990542735847713 1.3033e-09 deg/d
Q 2.589483168128911 7.5233e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1551  
   data-arc span      26196 days (71.72 yr)  
   first obs. used      1949-11-19  
   last obs. used      2021-08-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49507  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 01:06:04  

Additional Information
 Earth MOID = .850075 au 
 Jupiter MOID = 2.82469 au 
 T_jup = 3.633 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457256.5 (2015-Aug-22.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1685792764671648 3.1481e-08  
q 1.841120442444622 7.1231e-08 au
tp 2457277.580291970817
(2015-Sep-12.08029197)
3.088e-05 TDB
node 157.3075968851813 4.9756e-05 deg
peri 241.2469426427528 5.0602e-05 deg
i 3.780418085332954 3.2338e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1551  
   data-arc span      26196 days (71.72 yr)  
   first obs. used      1949-11-19  
   last obs. used      2021-08-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49507  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 01:06:04  

Additional Information
 Jupiter MOID = 2.82469 au 
 T_jup = 3.633 
Orbit Covariance (6×6)
  e q tp node peri i
e 9.910587104624652E-16 -2.236428358918909E-15 -6.744952210629248E-14 -1.677453360336517E-15 -3.300381114745067E-14 -7.140712183729481E-16
q -2.236428358918909E-15 5.073847813111671E-15 1.790394094850412E-13 3.698456927600363E-15 8.159249520997274E-14 1.674903352642092E-15
tp -6.744952210629248E-14 1.790394094850412E-13 9.535851060558833E-10 -4.674983420731935E-12 2.941540192620399E-10 -2.312078696157225E-13
node -1.677453360336517E-15 3.698456927600363E-15 -4.674983420731935E-12 2.475640523998752E-9 -2.471250637370497E-9 1.991598126505575E-11
peri -3.300381114745067E-14 8.159249520997274E-14 2.941540192620399E-10 -2.471250637370497E-9 2.560550884903884E-9 -1.993368678316645E-11
i -7.140712183729481E-16 1.674903352642092E-15 -2.312078696157225E-13 1.991598126505575E-11 -1.993368678316645E-11 1.045739891375005E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.50   n/a MPO636790  
diameter diameter 4.028 km 0.094 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.091   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

52265 (1985 RM3)          Discovered 1985-Sep-07 by Debehogne, H. at La Silla
Reference: 20030216/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1985 RM3 = 1998 QL7 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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