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5253 (1985 XB)
Classification: Mars-crossing Asteroid          SPK-ID: 2005253
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2247727901375676 8.3887e-08  
a 1.973913955764701 8.015e-09 AU
q 1.530231808435986 1.6605e-07 AU
i 28.77175355089906 1.2655e-05 deg
node 71.29146516820077 1.9939e-05 deg
peri 69.2329244410828 3.7024e-05 deg
M 59.52358714395895 2.7554e-05 deg
tp 2456633.014448287919
(2013-Dec-06.51444829)
7.716e-05 JED
period 1012.956401141031
2.77
6.1696e-06
1.689e-08
d
yr
n .3553953552141858 2.1646e-09 deg/d
Q 2.417596103093415 9.8166e-09 AU
  Orbit Determination Parameters
   # obs. used (total)      506  
   data-arc span      13092 days (35.84 yr)  
   first obs. used      1978-05-04  
   last obs. used      2014-03-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .58599  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Mar-22 10:46:17  

Additional Information
 Earth MOID = .681006 AU 
 T_jup = 3.688 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.2 mag n/a MPO240239  
rotation period rot_per 2.95 h n/a Asteroid Lightcurve DataBase (Rev. 2013-Sep-12) Published Reference List:
[Skiff, B.A. (2011) Posting on CALL web site. http://www.minorplanet.info/call.html]
SMASSII spectral type spec_B S   n/a EAR-A-5-DDR-TAXONOMY-V4.0 based on a high-resolution spectrum by Xu et al. (1995) or Bus and Binzel (2002)

5253 (1985 XB)          Discovered 1985-Dec-15 by Singer-Brewster, S. at Palomar (675)
Reference: DISCOVERY.DBLast Updated: 2003-08-29

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