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243590 (1998 QY82)
Classification: Main-belt Asteroid          SPK-ID: 2243590
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1400790484239008 6.1956e-08  
a 2.545464518475831 2.0525e-08 au
q 2.188898270930933 1.4958e-07 au
i 14.86128824055193 6.7568e-06 deg
node 233.2558444308355 3.0192e-05 deg
peri 129.2310928741884 4.255e-05 deg
M 110.0337747150761 3.331e-05 deg
tp 2458547.109402485190
(2019-Mar-04.60940249)
0.00013496 TDB
period 1483.368316028226
4.06
1.7941e-05
4.912e-08
d
yr
n .2426909056301764 2.9353e-09 deg/d
Q 2.902030766020728 2.34e-08 au
  Orbit Determination Parameters
   # obs. used (total)      340  
   data-arc span      7834 days (21.45 yr)  
   first obs. used      1998-08-20  
   last obs. used      2020-01-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5412  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 09:22:43  

Additional Information
 Earth MOID = 1.21962 au 
 Jupiter MOID = 2.63974 au 
 T_jup = 3.383 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457181.5 (2015-Jun-08.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1406968872839484 6.2388e-08  
q 2.186771612384864 1.5092e-07 au
tp 2457060.244894630265
(2015-Feb-06.74489463)
0.00012716 TDB
node 233.3327802510233 3.0248e-05 deg
peri 128.3911669184434 4.2296e-05 deg
i 14.8449764983709 6.7502e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      340  
   data-arc span      7834 days (21.45 yr)  
   first obs. used      1998-08-20  
   last obs. used      2020-01-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5412  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 09:22:43  

Additional Information
 Jupiter MOID = 2.63974 au 
 T_jup = 3.383 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.892209068975272E-15 -9.366440933443898E-15 -4.220338899386625E-13 3.225428504752562E-14 -1.835685665978806E-13 -7.790912842576769E-15
q -9.366440933443898E-15 2.277759571828593E-14 1.771984727573678E-12 -7.126753884991925E-14 6.188394774326839E-13 2.025260769650483E-14
tp -4.220338899386625E-13 1.771984727573678E-12 1.617010789063213E-8 1.31709623882617E-10 3.836125103431088E-9 1.465555261960779E-11
node 3.225428504752562E-14 -7.126753884991925E-14 1.31709623882617E-10 9.149584380443866E-10 -8.52476637453106E-10 6.727542777420952E-11
peri -1.835685665978806E-13 6.188394774326839E-13 3.836125103431088E-9 -8.52476637453106E-10 1.788972025091092E-9 -6.152282654034933E-11
i -7.790912842576769E-15 2.025260769650483E-14 1.465555261960779E-11 6.727542777420952E-11 -6.152282654034933E-11 4.556545107910598E-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 15.2   n/a MPO454788  
diameter diameter 2.160 km 0.223 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.315   0.087 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

243590 (1998 QY82)          Discovered 1998-Aug-24 by LINEAR at Socorro
Reference: 20100726/Numbers.arcLast Updated: 2010-07-28

[ show close-approach data ]
Alternate Designations
 1998 QY82 = 2002 OH20 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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