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48827 (1997 YB)
Classification: Main-belt Asteroid          SPK-ID: 2048827
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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2501616959550896 4.6571e-08  
a 3.059291411536317 1.5813e-08 au
q 2.293973883605552 1.4681e-07 au
i 1.524815488579725 4.0863e-06 deg
node 141.1979649329061 0.00017216 deg
peri 244.641422441068 0.00017234 deg
M 25.96026563740767 6.994e-06 deg
tp 2458459.559330747879
(2018-Dec-07.05933075)
3.7623e-05 TDB
period 1954.473102834949
5.35
1.5154e-05
4.149e-08
d
yr
n .1841928648073093 1.4281e-09 deg/d
Q 3.824608939467081 1.9769e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1188  
   data-arc span      10309 days (28.22 yr)  
   first obs. used      1991-09-06  
   last obs. used      2019-11-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51775  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 03:38:12  

Additional Information
 Earth MOID = 1.29801 au 
 Jupiter MOID = 1.62631 au 
 T_jup = 3.185 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456741.5 (2014-Mar-25.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2449999478044841 4.6301e-08  
q 2.314769358772993 1.4514e-07 au
tp 2456502.826652168835
(2013-Jul-29.32665217)
3.8178e-05 TDB
node 141.1597911176093 0.00017253 deg
peri 244.8992136498199 0.00017271 deg
i 1.519291952936004 4.0759e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1188  
   data-arc span      10309 days (28.22 yr)  
   first obs. used      1991-09-06  
   last obs. used      2019-11-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51775  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 03:38:12  

Additional Information
 Jupiter MOID = 1.62631 au 
 T_jup = 3.185 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.143802433177706E-15 -6.698724139988846E-15 -1.41846661714136E-13 7.532795233877705E-15 -1.058572085979754E-13 -1.1222627116097E-15
q -6.698724139988846E-15 2.106560106518926E-14 3.541152129113594E-13 -2.300208964659788E-14 3.168323349998592E-13 3.620435140593124E-15
tp -1.41846661714136E-13 3.541152129113594E-13 1.457562921518472E-9 -1.617832141093751E-11 3.315303883067312E-10 -3.549256556427753E-13
node 7.532795233877705E-15 -2.300208964659788E-14 -1.617832141093751E-11 2.976515294117465E-8 -2.975814374176847E-8 1.979144052659279E-10
peri -1.058572085979754E-13 3.168323349998592E-13 3.315303883067312E-10 -2.975814374176847E-8 2.983033275635034E-8 -1.978748954658554E-10
i -1.1222627116097E-15 3.620435140593124E-15 -3.549256556427753E-13 1.979144052659279E-10 -1.978748954658554E-10 1.661297821114127E-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 14.1   n/a MPO319666  
diameter diameter 8.289 km 0.562 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.078   0.015 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

48827 (1997 YB)          Discovered 1997-Dec-18 by Kobayashi, T. at Oizumi
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1997 YB = 1991 RQ33 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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