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49508 (1999 CG22)
Classification: Main-belt Asteroid          SPK-ID: 2049508
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07652430199174909 6.219e-08  
a 2.985819155721476 2.2579e-08 au
q 2.757331428956297 1.8877e-07 au
i 10.02892720861638 7.7752e-06 deg
node 35.98623476756745 3.3213e-05 deg
peri 106.5793771551213 5.7068e-05 deg
M 38.12366449390717 4.4932e-05 deg
tp 2458800.934338985150
(2019-Nov-13.43433899)
0.00023507 TDB
period 1884.489303929
5.16
2.1376e-05
5.852e-08
d
yr
n .1910331882751632 2.1669e-09 deg/d
Q 3.214306882486655 2.4307e-08 au
  Orbit Determination Parameters
   # obs. used (total)      656  
   data-arc span      8110 days (22.20 yr)  
   first obs. used      1997-10-23  
   last obs. used      2020-01-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62962  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 07:42:41  

Additional Information
 Earth MOID = 1.78972 au 
 Jupiter MOID = 1.82725 au 
 T_jup = 3.230 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456645.5 (2013-Dec-19.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07886064304864761 6.2318e-08  
q 2.752021540012343 1.9056e-07 au
tp 2456919.953721564683
(2014-Sep-19.45372156)
0.00022612 TDB
node 36.12657378624484 3.321e-05 deg
peri 107.3399764372977 5.5621e-05 deg
i 10.03035229966058 7.7696e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      656  
   data-arc span      8110 days (22.20 yr)  
   first obs. used      1997-10-23  
   last obs. used      2020-01-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62962  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 07:42:41  

Additional Information
 Jupiter MOID = 1.82725 au 
 T_jup = 3.230 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.883569208778407E-15 -1.180537092418816E-14 8.416381436113434E-12 -1.09751394919167E-14 1.681976352433001E-12 -4.005082447595708E-15
q -1.180537092418816E-14 3.631164555588544E-14 -2.555065438114361E-11 4.024024446320469E-14 -5.129947766157264E-12 1.091532896419458E-14
tp 8.416381436113434E-12 -2.555065438114361E-11 5.113078654239083E-8 -8.175651665340852E-11 1.013444054511559E-8 -5.908038877611275E-12
node -1.09751394919167E-14 4.024024446320469E-14 -8.175651665340852E-11 1.102884252624909E-9 -1.10149152693171E-9 -1.369472940581137E-10
peri 1.681976352433001E-12 -5.129947766157264E-12 1.013444054511559E-8 -1.10149152693171E-9 3.093642360990454E-9 1.3366545557648E-10
i -4.005082447595708E-15 1.091532896419458E-14 -5.908038877611275E-12 -1.369472940581137E-10 1.3366545557648E-10 6.036709355541058E-11

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 14.6   n/a MPO468365  
diameter diameter 4.245 km 0.204 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.142   0.027 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

49508 (1999 CG22)          Discovered 1999-Feb-10 by LINEAR at Socorro
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 CG22 = 2000 JJ30 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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