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JPL Small-Body Database Browser
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441934 (2010 JB77)
Classification: Main-belt Asteroid          SPK-ID: 2441934
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2158417828166142 1.1619e-07  
a 2.739565334864388 4.6457e-08 au
q 2.148252668844663 3.3552e-07 au
i 6.714052503531367 7.8226e-06 deg
node 223.2025883228159 6.2824e-05 deg
peri 84.90048322009378 6.9134e-05 deg
M 22.21998547269782 2.3025e-05 deg
tp 2458898.273806402220
(2020-Feb-18.77380640)
0.00010488 TDB
period 1656.231042113842
4.53
4.2129e-05
1.153e-07
d
yr
n .2173609785386785 5.529e-09 deg/d
Q 3.330878000884112 5.6485e-08 au
  Orbit Determination Parameters
   # obs. used (total)      128  
   data-arc span      6555 days (17.95 yr)  
   first obs. used      2001-06-16  
   last obs. used      2019-05-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4079  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 10:38:17  

Additional Information
 Earth MOID = 1.14646 au 
 Jupiter MOID = 1.98954 au 
 T_jup = 3.307 
[ 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 17.2   n/a MPO437718  
diameter diameter 2.132 km 0.454 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.051   0.027 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

441934 (2010 JB77)          Discovered 2010-May-08 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2015-09-02

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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