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JPL Small-Body Database Browser
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56295 (1999 NB54)
Classification: Main-belt Asteroid          SPK-ID: 2056295
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06074004101801463 3.8579e-08  
a 2.322842164752323 9.3007e-09 au
q 2.181752636386893 9.114e-08 au
i 9.283437698961967 4.2363e-06 deg
node 225.7297087781654 2.2199e-05 deg
peri 324.7858839281333 3.8271e-05 deg
M 324.9593074305328 3.0745e-05 deg
tp 2458726.363023046544
(2019-Aug-30.86302305)
0.00011046 TDB
period 1293.087692457237
3.54
7.7663e-06
2.126e-08
d
yr
n .2784033922060589 1.6721e-09 deg/d
Q 2.463931693117753 9.8657e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1645  
   data-arc span      15399 days (42.16 yr)  
   first obs. used      1977-02-25  
   last obs. used      2019-04-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49756  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 03:24:20  

Additional Information
 Earth MOID = 1.18546 au 
 Jupiter MOID = 2.51651 au 
 T_jup = 3.556 
[ 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 14.9   n/a MPO385179  
diameter diameter 2.867 km 0.839 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.179   0.136 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

56295 (1999 NB54)          Discovered 1999-Jul-12 by LINEAR at Socorro
Reference: 20030318/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 NB54 = 2000 RR62 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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