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49279 (1998 UP22)
Classification: Main-belt Asteroid          SPK-ID: 2049279
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2008550677604644 4.6188e-08  
a 2.540054522921973 1.0962e-08 au
q 2.029871699605206 1.1913e-07 au
i 7.563763492810898 3.4924e-06 deg
node 70.61291098081294 4.7023e-05 deg
peri 323.25791490 4.8794e-05 deg
M 116.8158473967004 1.5203e-05 deg
tp 2458520.697785277593
(2019-Feb-06.19778528)
6.0889e-05 TDB
period 1478.641820860905
4.05
9.5718e-06
2.621e-08
d
yr
n .2434666698324537 1.576e-09 deg/d
Q 3.05023734623874 1.3164e-08 au
  Orbit Determination Parameters
   # obs. used (total)      929  
   data-arc span      7893 days (21.61 yr)  
   first obs. used      1998-10-28  
   last obs. used      2020-06-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53306  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 23:33:26  

Additional Information
 Earth MOID = 1.0427 au 
 Jupiter MOID = 2.38639 au 
 T_jup = 3.406 
[ 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 15.2   n/a MPO412509  
diameter diameter 3.181 km 0.202 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.159   0.028 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

49279 (1998 UP22)          Discovered 1998-Oct-28 by LINEAR at Socorro
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

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