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37822 (1998 BQ8)
Classification: Main-belt Asteroid          SPK-ID: 2037822
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 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1338508987254813 3.9456e-08  
a 2.403686943289169 1.0146e-08 au
q 2.081951285675209 9.425e-08 au
i 6.184194930706004 4.0026e-06 deg
node 129.4103087656938 3.9496e-05 deg
peri 74.97036984584784 4.19e-05 deg
M 309.7636994386427 1.4849e-05 deg
tp 2459190.446122682521
(2020-Dec-06.94612268)
5.6534e-05 TDB
period 1361.17913543791
3.73
8.6183e-06
2.36e-08
d
yr
n .264476578157498 1.6745e-09 deg/d
Q 2.72542260090313 1.1504e-08 au
  Orbit Determination Parameters
   # obs. used (total)      864  
   data-arc span      10492 days (28.73 yr)  
   first obs. used      1991-05-13  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51899  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 04:39:00  

Additional Information
 Earth MOID = 1.08886 au 
 Jupiter MOID = 2.25098 au 
 T_jup = 3.504 
[ 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 MPO309447  
diameter diameter 1.907 km 0.260 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.307   0.090 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

37822 (1998 BQ8)          Discovered 1998-Jan-25 by Kobayashi, T. at Oizumi
Reference: 20020328/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 BQ8 = 1991 JT4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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