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101958 (1999 RS37)
Classification: Main-belt Asteroid          SPK-ID: 2101958
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1687922723196107 8.0613e-08  
a 2.560877905528878 1.8535e-08 au
q 2.128621504721573 1.9772e-07 au
i 12.28356680138807 9.4094e-06 deg
node 265.022397390463 2.1557e-05 deg
peri 108.7629332255268 4.0182e-05 deg
M 42.94584152409866 2.8318e-05 deg
tp 2459021.933349205031
(2020-Jun-21.43334921)
0.00011808 TDB
period 1496.861908041005
4.10
1.6251e-05
4.449e-08
d
yr
n .2405031473284964 2.6111e-09 deg/d
Q 2.993134306336182 2.1664e-08 au
  Orbit Determination Parameters
   # obs. used (total)      441  
   data-arc span      7876 days (21.56 yr)  
   first obs. used      1999-07-22  
   last obs. used      2021-02-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .44113  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:39:37  

Additional Information
 Earth MOID = 1.16632 au 
 Jupiter MOID = 2.58215 au 
 T_jup = 3.383 
[ 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 15.7   n/a MPO395897  
diameter diameter 4.002 km 0.315 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.076   0.017 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

101958 (1999 RS37)          Discovered 1999-Sep-12 by Farra d'Isonzo at Farra d'Isonzo
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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