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135039 (2001 OA2)
Classification: Main-belt Asteroid          SPK-ID: 2135039
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2813701378325905 3.5482e-08  
a 2.747068513223002 8.9766e-09 au
q 1.974125467021877 9.6251e-08 au
i 6.106431233052969 5.1755e-06 deg
node 7.119065773838421 3.3536e-05 deg
peri 51.16983737815428 3.4919e-05 deg
M 16.52077027450517 8.085e-06 deg
tp 2459124.181389461097
(2020-Oct-01.68138946)
3.7266e-05 TDB
period 1663.039878740026
4.55
8.1515e-06
2.232e-08
d
yr
n .2164710567690944 1.061e-09 deg/d
Q 3.520011559424128 1.1502e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1166  
   data-arc span      8544 days (23.39 yr)  
   first obs. used      1997-10-22  
   last obs. used      2021-03-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52399  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 18:11:14  

Additional Information
 Earth MOID = .992044 au 
 Jupiter MOID = 1.89835 au 
 T_jup = 3.281 
[ 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 14.98   n/a MPCxxxxx  
diameter diameter 5.844 km 0.487 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 4.2057 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on fragmentary lightcurve(s), may be completely wrong.
Published Reference List:
[Masiero, J.; Jedicke, R.; Durecy, J.; Gwyn, S.; et al. (2009) Icarus 204, 145-171.]
geometric albedo albedo 0.082   0.020 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

135039 (2001 OA2)          Discovered 2001-Jul-18 by NEAT at Palomar
Reference: 20060907/Numbers.arcLast Updated: 2006-09-10

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