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43044 (1999 VR49)
Classification: Main-belt Asteroid          SPK-ID: 2043044
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04762963157050026 3.7703e-08  
a 2.722210251271725 1.3347e-08 au
q 2.592552379946214 1.0413e-07 au
i 5.23469147216894 4.3066e-06 deg
node 273.164259028171 4.4814e-05 deg
peri 98.56835152552424 6.3962e-05 deg
M 288.140666793267 4.6905e-05 deg
tp 2459527.962525391211
(2021-Nov-09.46252539)
0.00021451 TDB
period 1640.517715377161
4.49
1.2065e-05
3.303e-08
d
yr
n .219442921356832 1.6139e-09 deg/d
Q 2.851868122597236 1.3982e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1051  
   data-arc span      8977 days (24.58 yr)  
   first obs. used      1995-12-21  
   last obs. used      2020-07-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52333  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 09:15:16  

Additional Information
 Earth MOID = 1.59712 au 
 Jupiter MOID = 2.39377 au 
 T_jup = 3.350 
[ 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 14.64   n/a E2021B10  
diameter diameter 3.228 km 0.631 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.223   0.095 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

43044 (1999 VR49)          Discovered 1999-Nov-03 by LINEAR at Socorro
Reference: 20020624/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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