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14091 (1997 MQ4)
Classification: Main-belt Asteroid          SPK-ID: 2014091
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1886970444873483 4.0371e-08  
a 2.563582245626622 1.0465e-08 au
q 2.079841852576639 1.047e-07 au
i 13.42173599642292 3.2985e-06 deg
node 89.54065666158466 1.9346e-05 deg
peri 291.9640665403758 2.1278e-05 deg
M 175.3351166662053 1.0217e-05 deg
tp 2458470.310278165741
(2018-Dec-17.81027817)
4.0965e-05 TDB
period 1499.233609663999
4.10
9.1804e-06
2.513e-08
d
yr
n .2401226851368957 1.4704e-09 deg/d
Q 3.047322638676605 1.244e-08 au
  Orbit Determination Parameters
   # obs. used (total)      3094  
   data-arc span      10966 days (30.02 yr)  
   first obs. used      1991-01-07  
   last obs. used      2021-01-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .37832  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 02:16:02  

Additional Information
 Earth MOID = 1.12538 au 
 Jupiter MOID = 2.4952 au 
 T_jup = 3.371 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457168.5 (2015-May-26.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1869755045800743 4.0387e-08  
q 2.084927851060503 1.0462e-07 au
tp 2456966.952305467149
(2014-Nov-05.45230547)
3.9725e-05 TDB
node 89.72905830461372 1.9347e-05 deg
peri 291.2682478405665 2.1328e-05 deg
i 13.41712994889542 3.2989e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      3094  
   data-arc span      10966 days (30.02 yr)  
   first obs. used      1991-01-07  
   last obs. used      2021-01-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .37832  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 02:16:02  

Additional Information
 Jupiter MOID = 2.4952 au 
 T_jup = 3.371 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.631121405022118E-15 -4.211359109814113E-15 -5.025028063357446E-13 -1.68140469848605E-15 -1.589295362943202E-13 -1.869199156242344E-15
q -4.211359109814113E-15 1.09445714153841E-14 1.321700487100684E-12 5.778878709900065E-15 4.15453226984846E-13 5.274370292208701E-15
tp -5.025028063357446E-13 1.321700487100684E-12 1.578075457800307E-9 1.012035053821769E-11 3.83472756175051E-10 3.390596834426104E-13
node -1.68140469848605E-15 5.778878709900065E-15 1.012035053821769E-11 3.743213264867749E-10 -3.612781995987675E-10 7.705423074338446E-12
peri -1.589295362943202E-13 4.15453226984846E-13 3.83472756175051E-10 -3.612781995987675E-10 4.548992171434888E-10 -7.368559632798976E-12
i -1.869199156242344E-15 5.274370292208701E-15 3.390596834426104E-13 7.705423074338446E-12 -7.368559632798976E-12 1.088272280730632E-11

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 13.70   n/a E2021B10  
diameter diameter 5.261 km 0.045 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 2.77665 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:
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]
geometric albedo albedo 0.279   0.057 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

14091 (1997 MQ4)          Discovered 1997-Jun-28 by LINEAR at Socorro
Reference: 20000320/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1997 MQ4 = 1995 AG4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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