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134638 (1999 UD37)
Classification: Main-belt Asteroid          SPK-ID: 2134638
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1293811381487511 3.9548e-08  
a 2.730084099189974 1.814e-08 au
q 2.376862711194967 1.1332e-07 au
i 5.285917292681447 5.7523e-06 deg
node 31.44028409001822 5.3265e-05 deg
peri 250.0111226858869 5.8603e-05 deg
M 284.9676942507677 2.5606e-05 deg
tp 2459343.906298931660
(2021-May-09.40629893)
0.00011805 TDB
period 1647.640524717083
4.51
1.6422e-05
4.496e-08
d
yr
n .2184942617029984 2.1777e-09 deg/d
Q 3.083305487184981 2.0488e-08 au
  Orbit Determination Parameters
   # obs. used (total)      540  
   data-arc span      9898 days (27.10 yr)  
   first obs. used      1993-03-23  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56255  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 22:21:05  

Additional Information
 Earth MOID = 1.36701 au 
 Jupiter MOID = 2.0601 au 
 T_jup = 3.336 
[ 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 15.5   n/a MPO436658  
rotation period rot_per 5.25 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 lower-limit; Incomplete or inconclusive result.
Published Reference List:
[Erasmus, N.; McNeill, A.; Mommert, N.; Trilling, D.E.; et al. (2019) Ap. J. Suppl. Series 242, A15.]

134638 (1999 UD37)          Discovered 1999-Oct-16 by Spacewatch at Kitt Peak
Reference: 20060907/Numbers.arcLast Updated: 2006-09-10
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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