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JPL Small-Body Database Browser
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59841 (1999 RH54)
Classification: Main-belt Asteroid          SPK-ID: 2059841
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1875525074079779 3.1614e-08  
a 2.422044381714396 9.9601e-09 au
q 1.967783884870455 7.9234e-08 au
i 3.24261908403164 3.3042e-06 deg
node 47.93879868153385 9.152e-05 deg
peri 346.5060431375787 9.2556e-05 deg
M 30.60247348809071 1.4347e-05 deg
tp 2458483.462347615139
(2018-Dec-30.96234762)
5.4638e-05 TDB
period 1376.80226648825
3.77
8.4927e-06
2.325e-08
d
yr
n .2614754556718129 1.6129e-09 deg/d
Q 2.876304878558336 1.1828e-08 au
  Orbit Determination Parameters
   # obs. used (total)      828  
   data-arc span      8079 days (22.12 yr)  
   first obs. used      1996-12-09  
   last obs. used      2019-01-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53826  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 03:40:43  

Additional Information
 Earth MOID = .973922 au 
 Jupiter MOID = 2.55122 au 
 T_jup = 3.486 
[ 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 15.8   n/a MPO459260  

59841 (1999 RH54)          Discovered 1999-Sep-07 by LINEAR at Socorro
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 RH54 = 2001 DH25 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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