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37577 (1990 RG)
Classification: Main-belt Asteroid          SPK-ID: 2037577
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1989625540047465 5.9404e-08  
a 2.227570488409095 1.0019e-08 au
q 1.784367374809621 1.3018e-07 au
i 6.659804217904238 6.1959e-06 deg
node 357.6887087606876 3.993e-05 deg
peri 25.67614261718525 4.2283e-05 deg
M 314.1278511905289 1.7609e-05 deg
tp 2459155.236295004823
(2020-Nov-01.73629500)
6.0121e-05 TDB
period 1214.354845967781
3.32
8.1927e-06
2.243e-08
d
yr
n .2964537105405115 2e-09 deg/d
Q 2.670773602008569 1.2012e-08 au
  Orbit Determination Parameters
   # obs. used (total)      738  
   data-arc span      11482 days (31.44 yr)  
   first obs. used      1987-12-23  
   last obs. used      2019-05-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5619  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 04:34:21  

Additional Information
 Earth MOID = .789784 au 
 Jupiter MOID = 2.80076 au 
 T_jup = 3.610 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.8   n/a MPO337564  
diameter diameter 1.675 km 0.224 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.435   0.127 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

37577 (1990 RG)          Discovered 1990-Sep-14 by Holt, H. E. at Palomar
Reference: 20020328/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1990 RG = 1987 YM4 = 2000 QW96 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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