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52441 (1994 RS1)
Classification: Main-belt Asteroid          SPK-ID: 2052441
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2749218976684862 4.4197e-08  
a 2.398627460663498 6.4478e-09 au
q 1.739192247378147 1.0657e-07 au
i 10.43559595105522 4.6695e-06 deg
node 172.1503229262644 1.4178e-05 deg
peri 208.3409911502596 1.5334e-05 deg
M 8.249515241262994 5.0577e-06 deg
tp 2459169.406575401412
(2020-Nov-15.90657540)
1.9069e-05 TDB
period 1356.883711118275
3.71
5.4712e-06
1.498e-08
d
yr
n .2653138194895907 1.0698e-09 deg/d
Q 3.058062673948849 8.2205e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1399  
   data-arc span      9660 days (26.45 yr)  
   first obs. used      1994-08-31  
   last obs. used      2021-02-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49634  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 10:45:25  

Additional Information
 Earth MOID = .746592 au 
 Jupiter MOID = 2.41719 au 
 T_jup = 3.453 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.29   n/a E2021B10  
diameter diameter 2.287 km 0.058 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 6.36 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Warner, B.D.; Erasmus, N. (2019) Minor Planet Bull. 46, 166-179.]
geometric albedo albedo 0.281   0.045 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

52441 (1994 RS1)          Discovered 1994-Sep-01 by Helin, E. F. at Palomar
Reference: 20030216/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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