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16636 (1993 QP)
Classification: Amor [NEO]          SPK-ID: 2016636
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 125 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4682526349861521 3.5762e-08  
a 2.308780461752006 1.69e-09 au
q 1.227687926932084 8.2842e-08 au
i 7.211510362600587 4.2887e-06 deg
node 296.814725600644 2.2009e-05 deg
peri 47.31507483896937 3.0326e-05 deg
M 281.6185881603163 7.2189e-06 deg
tp 2459479.486356917474
(2021-Sep-21.98635692)
2.5743e-05 TDB
period 1281.363605643059
3.51
1.4069e-06
3.852e-09
d
yr
n .2809506984704253 3.0847e-10 deg/d
Q 3.389872996571927 2.4813e-09 au
  Orbit Determination Parameters
   # obs. used (total)      879  
   data-arc span      9275 days (25.39 yr)  
   first obs. used      1993-08-23  
   last obs. used      2019-01-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .43322  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 01:37:26  

Additional Information
 Earth MOID = .237557 au 
 Jupiter MOID = 2.08434 au 
 T_jup = 3.422 
[ 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 18.7   n/a PDS3 (MPO 2891)  
rotation period rot_per 19.01 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Warner, B.D. (2015) Minor Planet Bull. 42, 41-53.]

16636 (1993 QP)          Discovered 1993-Aug-23 by Helin, E. F., Lawrence, K. J. at Palomar
Reference: 20000913/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1993 QP = 2000 NR3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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