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152858 (1999 XN35)
Classification: Mars-crossing Asteroid          SPK-ID: 2152858
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3247830015673946 5.6167e-08  
a 2.22917127615872 1.0521e-08 au
q 1.505174338080071 1.2268e-07 au
i 23.28915786232287 4.8462e-06 deg
node 54.91132980896756 1.3805e-05 deg
peri 307.4478553752906 1.628e-05 deg
M 174.804875172229 1.3462e-05 deg
tp 2458610.211089732212
(2019-May-06.71108973)
4.2156e-05 TDB
period 1215.664079660428
3.33
8.6064e-06
2.356e-08
d
yr
n .2961344388003624 2.0965e-09 deg/d
Q 2.953168214237369 1.3938e-08 au
  Orbit Determination Parameters
   # obs. used (total)      712  
   data-arc span      8004 days (21.91 yr)  
   first obs. used      1998-05-24  
   last obs. used      2020-04-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52865  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 10:44:34  

Additional Information
 Earth MOID = .590483 au 
 Jupiter MOID = 2.69746 au 
 T_jup = 3.471 
[ 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 15.51   n/a E2021B55  
rotation period rot_per 2.990 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:
[Hills, K. (2013) Minor Planet Bull. 40, 89-90.]

152858 (1999 XN35)          Discovered 1999-Dec-05 by LONEOS at Anderson Mesa
Reference: 20070402/Numbers.arcLast Updated: 2007-04-04
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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