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101959 (1999 RH38)
Classification: Main-belt Asteroid          SPK-ID: 2101959
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1533443940607656 5.0391e-08  
a 2.344928970394844 8.525e-09 au
q 1.985347258314112 1.1798e-07 au
i 5.920223207087708 4.7821e-06 deg
node 18.9676276925408 3.4954e-05 deg
peri 355.2514750501786 3.7235e-05 deg
M 270.9748975858315 1.1937e-05 deg
tp 2459324.841817705074
(2021-Apr-20.34181770)
4.3996e-05 TDB
period 1311.574502106315
3.59
7.1523e-06
1.958e-08
d
yr
n .2744792609355095 1.4968e-09 deg/d
Q 2.704510682475576 9.8323e-09 au
  Orbit Determination Parameters
   # obs. used (total)      990  
   data-arc span      7171 days (19.63 yr)  
   first obs. used      1999-09-05  
   last obs. used      2019-04-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5338  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 01:29:17  

Additional Information
 Earth MOID = .986267 au 
 Jupiter MOID = 2.75897 au 
 T_jup = 3.539 
[ 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 15.5   n/a MPO436477  

101959 (1999 RH38)          Discovered 1999-Sep-13 by Korlevic, K. at Visnjan
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 1999 RH38 = 2001 DR33 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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