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78765 (2002 UD36)
Classification: Main-belt Asteroid          SPK-ID: 2078765
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06963231965942274 5.8388e-08  
a 2.753498903940375 1.9865e-08 au
q 2.561766388079328 1.6245e-07 au
i 4.649922401291839 5.8635e-06 deg
node 316.1696980788301 6.6257e-05 deg
peri 203.0715236581533 7.5339e-05 deg
M 182.07787620713 3.8266e-05 deg
tp 2459825.308716659371
(2022-Sep-02.80871666)
0.00018124 TDB
period 1668.882608118197
4.57
1.806e-05
4.945e-08
d
yr
n .2157131953133179 2.3344e-09 deg/d
Q 2.945231419801421 2.1249e-08 au
  Orbit Determination Parameters
   # obs. used (total)      578  
   data-arc span      7984 days (21.86 yr)  
   first obs. used      1998-12-14  
   last obs. used      2020-10-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58492  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:25:35  

Additional Information
 Earth MOID = 1.57153 au 
 Jupiter MOID = 2.04674 au 
 T_jup = 3.336 
[ 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 15.1   n/a MPO436332  
diameter diameter 5.157 km 0.293 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 5.74 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Chang, C.-K.; Ip, W.-H.; Cheng, Y.-C.; Ngeow, C.-C.; et al. (2014) Astrophys. J. 788, A17.]
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.080   0.023 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

78765 (2002 UD36)          Discovered 2002-Oct-30 by NEAT at Haleakala
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

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