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1889 Pakhmutova (1968 BE)
Classification: Main-belt Asteroid          SPK-ID: 2001889
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1149844866018723 3.5557e-08  
a 3.085771037007951 1.3877e-08 au
q 2.730955238546665 1.1221e-07 au
i 13.1805026937222 3.8881e-06 deg
node 55.10463800671661 1.7704e-05 deg
peri 84.14457910551322 2.4774e-05 deg
M 215.0311918229847 1.8313e-05 deg
tp 2459797.789495621116
(2022-Aug-06.28949562)
0.00010283 TDB
period 1979.903277352799
5.42
1.3356e-05
3.657e-08
d
yr
n .1818270640378619 1.2266e-09 deg/d
Q 3.440586835469237 1.5473e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2707  
   data-arc span      19730 days (54.02 yr)  
   first obs. used      1966-10-20  
   last obs. used      2020-10-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .41305  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 04:14:31  

Additional Information
 Earth MOID = 1.78424 au 
 Jupiter MOID = 1.75793 au 
 T_jup = 3.176 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456950.5 (2014-Oct-20.0) TDB
Reference: JPL 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1110789464057034 3.5865e-08  
q 2.747055919061048 1.1286e-07 au
tp 2457815.957628357730
(2017-Mar-03.45762836)
0.00010186 TDB
node 55.17172089003668 1.7693e-05 deg
peri 84.15984079168597 2.5193e-05 deg
i 13.17955171978834 3.8899e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2707  
   data-arc span      19730 days (54.02 yr)  
   first obs. used      1966-10-20  
   last obs. used      2020-10-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .41305  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 04:14:31  

Additional Information
 Jupiter MOID = 1.75793 au 
 T_jup = 3.176 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.286292433034079E-15 -4.023923925433813E-15 7.73548155379739E-13 6.44711953440333E-15 1.600741684785054E-13 -9.760704948172065E-16
q -4.023923925433813E-15 1.273760775215037E-14 -2.038200562904025E-12 -2.24812105582394E-14 -4.448695641215729E-13 5.098691580486992E-15
tp 7.73548155379739E-13 -2.038200562904025E-12 1.03751108810591E-8 5.540813421877255E-12 1.847316533773142E-9 4.344478243672316E-12
node 6.44711953440333E-15 -2.24812105582394E-14 5.540813421877255E-12 3.130425386822831E-10 -3.035090906174602E-10 -1.813401894477946E-11
peri 1.600741684785054E-13 -4.448695641215729E-13 1.847316533773142E-9 -3.035090906174602E-10 6.346799981404776E-10 1.83618212734746E-11
i -9.760704948172065E-16 5.098691580486992E-15 4.344478243672316E-12 -1.813401894477946E-11 1.83618212734746E-11 1.513134434041874E-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 11.1   n/a MPO347532  
diameter diameter 35.243 km 0.626 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 17.490 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Warner, B.D. (2006) Minor Planet Bull. 33, 82-84.]
[Hanus, J.; Durech, J.; Broz, M.; Warner, B.D.; et al. (2011) Astron. Astrophys. 530, A134.]
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.057   0.013 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

1889 Pakhmutova (1968 BE)          Discovered 1968-Jan-24 by Chernykh, L. at Nauchnyj
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1968 BE = 1942 JM = 1966 US = 1969 JM 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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