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JPL Small-Body Database Browser
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461331 (2015 XX278)
Classification: Main-belt Asteroid          SPK-ID: 2461331
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0841699062422607 1.0852e-07  
a 3.121756249959113 8.5193e-08 au
q 2.858998319088863 3.7185e-07 au
i 12.98173282673966 9.275e-06 deg
node 74.95111256171464 3.4281e-05 deg
peri 234.3268601730634 6.5156e-05 deg
M 327.181159037412 5.4152e-05 deg
tp 2458784.161298405632
(2019-Oct-27.66129841)
0.00030527 TDB
period 2014.63749135441
5.52
8.247e-05
2.258e-07
d
yr
n .1786921972537985 7.3148e-09 deg/d
Q 3.384514180829363 9.2364e-08 au
  Orbit Determination Parameters
   # obs. used (total)      91  
   data-arc span      5277 days (14.45 yr)  
   first obs. used      2004-12-18  
   last obs. used      2019-05-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57012  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 08:01:06  

Additional Information
 Earth MOID = 1.8653 au 
 Jupiter MOID = 1.81807 au 
 T_jup = 3.171 
[ 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 16.1   n/a MPO446804  

461331 (2015 XX278)          Discovered 2004-Dec-18 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2016-02-25

[ show close-approach data ]
Alternate Designations
 2015 XX278 = 2004 YH9 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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