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129217 (2005 NB85)
Classification: Main-belt Asteroid          SPK-ID: 2129217
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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04300575675468645 4.8242e-08  
a 2.98913258029437 2.8703e-08 au
q 2.860582671638722 1.3743e-07 au
i 10.73189540119726 4.4945e-06 deg
node 110.2930544582737 3.0586e-05 deg
peri 241.963044103335 7.6345e-05 deg
M 225.2460753073368 7.3783e-05 deg
tp 2459707.069873583351
(2022-May-07.56987358)
0.00039183 TDB
period 1887.627058507897
5.17
2.7189e-05
7.444e-08
d
yr
n .1907156386519313 2.747e-09 deg/d
Q 3.117682488950019 2.9938e-08 au
  Orbit Determination Parameters
   # obs. used (total)      623  
   data-arc span      6818 days (18.67 yr)  
   first obs. used      2001-08-26  
   last obs. used      2020-04-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58002  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 21:42:40  

Additional Information
 Earth MOID = 1.86948 au 
 Jupiter MOID = 2.14546 au 
 T_jup = 3.229 
[ 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 14.8   n/a MPO338148  
diameter diameter 3.829 km 0.293 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.166   0.025 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

129217 (2005 NB85)          Discovered 2005-Jul-03 by Spacewatch at Kitt Peak
Reference: 20060314/Numbers.arcLast Updated: 2006-03-23

Alternate Designations
 2005 NB85 = 2004 EP115 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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