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43991 (1997 MF10)
Classification: Main-belt Asteroid          SPK-ID: 2043991
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2826828475718036 2.9542e-08  
a 2.638207567971477 1.1475e-08 au
q 1.892431540171817 7.6381e-08 au
i 12.58135065861578 4.5231e-06 deg
node 121.1322184636565 1.593e-05 deg
peri 274.7233702155247 1.7938e-05 deg
M 47.97267520977778 8.4451e-06 deg
tp 2458991.929296243246
(2020-May-22.42929624)
3.6194e-05 TDB
period 1565.171277692839
4.29
1.0212e-05
2.796e-08
d
yr
n .2300067763386654 1.5007e-09 deg/d
Q 3.383983595771137 1.4719e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1361  
   data-arc span      11023 days (30.18 yr)  
   first obs. used      1991-01-14  
   last obs. used      2021-03-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .4963  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 05:28:13  

Additional Information
 Earth MOID = .947188 au 
 Jupiter MOID = 2.21301 au 
 T_jup = 3.306 
[ 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 14.53   n/a MPCxxxxx  
diameter diameter 7.360 km 0.357 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 4.155 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:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.057   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

43991 (1997 MF10)          Discovered 1997-Jun-28 by Spacewatch at Kitt Peak
Reference: 20020822/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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