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100037 (1991 RM)
Classification: Main-belt Asteroid          SPK-ID: 2100037
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2825056791067886 4.258e-08  
a 2.339789966724168 1.0741e-08 au
q 1.678786013207506 1.0096e-07 au
i 12.9158082294994 4.3415e-06 deg
node 157.233166545868 1.5221e-05 deg
peri 190.1229177701618 1.6207e-05 deg
M 7.083521317133111 6.3163e-06 deg
tp 2458974.777661874820
(2020-May-05.27766187)
2.2855e-05 TDB
period 1307.265314874867
3.58
9.0019e-06
2.465e-08
d
yr
n .2753840371221504 1.8963e-09 deg/d
Q 3.000793920240829 1.3776e-08 au
  Orbit Determination Parameters
   # obs. used (total)      848  
   data-arc span      10649 days (29.16 yr)  
   first obs. used      1991-09-04  
   last obs. used      2020-10-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50771  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 20:08:26  

Additional Information
 Earth MOID = .672888 au 
 Jupiter MOID = 2.42592 au 
 T_jup = 3.478 
[ 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 15.4   n/a MPO436465  
diameter diameter 5.351 km 0.032 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.045   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

100037 (1991 RM)          Discovered 1991-Sep-04 by Helin, E. F. at Palomar
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 1991 RM = 2001 KT41 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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