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192775 (1999 UE16)
Classification: Main-belt Asteroid          SPK-ID: 2192775
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1985136291298082 5.2691e-08  
a 2.70720979268821 1.6559e-08 au
q 2.169791751925918 1.3998e-07 au
i 1.396787062208186 5.1338e-06 deg
node 257.6037055418788 0.00021791 deg
peri 170.9894118030363 0.00021831 deg
M 249.6293389446867 1.4006e-05 deg
tp 2459699.306883760320
(2022-Apr-29.80688376)
6.574e-05 TDB
period 1626.976557327331
4.45
1.4927e-05
4.087e-08
d
yr
n .2212693221538359 2.0301e-09 deg/d
Q 3.244627833450502 1.9846e-08 au
  Orbit Determination Parameters
   # obs. used (total)      402  
   data-arc span      7157 days (19.59 yr)  
   first obs. used      1999-10-06  
   last obs. used      2019-05-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54844  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 22:17:31  

Additional Information
 Earth MOID = 1.18342 au 
 Jupiter MOID = 2.05909 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 16.34   n/a MPCxxxxx  
rotation period rot_per 3.987 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Chang, C.K.; Ip, W.-H.; Lin, H.-W.; Cheng, Y.C.; et al. (2015) Astrophys. J. Supp. Ser. 219, A27.]
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]

192775 (1999 UE16)          Discovered 1999-Oct-29 by CSS at Catalina
Reference: 20081113/Numbers.arcLast Updated: 2008-11-17

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