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4537 Valgrirasp (1987 RR3)
Classification: Main-belt Asteroid          SPK-ID: 2004537
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 43 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03484556602876248 3.6688e-08  
a 3.009657025494257 1.2865e-08 au
q 2.904783822888468 1.1388e-07 au
i 8.772538718500311 3.7209e-06 deg
node 227.9071587001469 2.4199e-05 deg
peri 295.6888526681417 5.8691e-05 deg
M 331.6182773856065 5.2778e-05 deg
tp 2459350.852338727838
(2021-May-16.35233873)
0.00027956 TDB
period 1907.102069786692
5.22
1.2228e-05
3.348e-08
d
yr
n .1887680820567017 1.2104e-09 deg/d
Q 3.114530228100046 1.3314e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2857  
   data-arc span      25316 days (69.31 yr)  
   first obs. used      1951-11-28  
   last obs. used      2021-03-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .40497  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-03 21:41:59  

Additional Information
 Earth MOID = 1.9214 au 
 Jupiter MOID = 1.89844 au 
 T_jup = 3.231 
[ 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 11.66   n/a E2021B10  
diameter diameter 14.364 km 0.193 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
geometric albedo albedo 0.236   0.016 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  

4537 Valgrirasp (1987 RR3)          Discovered 1987-Sep-02 by Chernykh, L. I. at Nauchnyj
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1987 RR3 = 1951 WB = 1960 OG = 1970 LR = 1980 JT 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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