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101496 (1998 XM3)
Classification: Mars-crossing Asteroid          SPK-ID: 2101496
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 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3980759108760216 5.6433e-08  
a 2.547556042684168 1.1722e-08 au
q 1.533435350484954 1.4939e-07 au
i 8.683989814161244 4.6411e-06 deg
node 32.85088513859175 2.3212e-05 deg
peri 338.9445871756533 2.3809e-05 deg
M 182.6095901183371 6.6778e-06 deg
tp 2459932.332485010884
(2022-Dec-18.83248501)
3.1972e-05 TDB
period 1485.196943733723
4.07
1.025e-05
2.806e-08
d
yr
n .2423920958893001 1.6729e-09 deg/d
Q 3.561676734883381 1.6388e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2341  
   data-arc span      8132 days (22.26 yr)  
   first obs. used      1998-12-09  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .35202  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:37:03  

Additional Information
 Earth MOID = .53681 au 
 Jupiter MOID = 1.90715 au 
 T_jup = 3.312 
[ 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 15.04   n/a E2021B55  
diameter diameter 2.152 km 0.415 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  
rotation period rot_per 5.0504 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[McNeill, A.; Mommert, M.; Trilling, D.E.; Llama, J.; Skiff, B. (2019) Ap. J. Suppl. Series 245, id.29.]
[Skiff, B.A.; McLelland, K.P.; Sanborn, J.J.; Pravec, P.; Koehn, B.W. (2019) Minor Plantet Bull. 46, 238-265.]
geometric albedo albedo 0.380   0.188 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  

101496 (1998 XM3)          Discovered 1998-Dec-09 by Shimizu, Y., Urata, T. at Nachi-Katsuura
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

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