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48881 (1998 HS136)
Classification: Outer Main-belt Asteroid          SPK-ID: 2048881
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 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .070347153016659 4.3803e-08  
a 4.000279468041393 4.4762e-08 au
q 3.718871196193685 1.6777e-07 au
i 11.33117564178664 6.5427e-06 deg
node 35.91546873903101 2.1218e-05 deg
peri 234.6271799037665 4.9657e-05 deg
M 208.4394620378317 4.5856e-05 deg
tp 2460230.818526861288
(2023-Oct-13.31852686)
0.00037517 TDB
period 2922.361424849399
8.00
4.905e-05
1.343e-07
d
yr
n .1231880481787267 2.0676e-09 deg/d
Q 4.281687739889101 4.7911e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1101  
   data-arc span      7987 days (21.87 yr)  
   first obs. used      1998-03-22  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5261  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 09:15:50  

Additional Information
 Earth MOID = 2.71973 au 
 Jupiter MOID = .827405 au 
 T_jup = 3.016 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456738.5 (2014-Mar-22.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06889841843122663 4.4062e-08  
q 3.718081285274761 1.6845e-07 au
tp 2457302.115916586148
(2015-Oct-06.61591659)
0.0003759 TDB
node 35.95521144335386 2.1205e-05 deg
peri 233.853396766809 5.0402e-05 deg
i 11.33948366225653 6.547e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1101  
   data-arc span      7987 days (21.87 yr)  
   first obs. used      1998-03-22  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5261  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 09:15:50  

Additional Information
 Jupiter MOID = .827405 au 
 T_jup = 3.016 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.941465553601268E-15 -7.217483845085092E-15 -4.509003704761378E-12 -4.807495848283173E-16 -5.992627488392708E-13 4.171744733060459E-15
q -7.217483845085092E-15 2.837596591012256E-14 1.865916777928309E-11 -5.404268399895249E-15 2.426092818978084E-12 -2.229430272318974E-15
tp -4.509003704761378E-12 1.865916777928309E-11 1.412973396486533E-7 -6.030612023836337E-11 1.719794488605002E-8 -4.216888194490858E-12
node -4.807495848283173E-16 -5.404268399895249E-15 -6.030612023836337E-11 4.496598948227773E-10 -4.479572728667582E-10 -1.5677745104726E-11
peri -5.992627488392708E-13 2.426092818978084E-12 1.719794488605002E-8 -4.479572728667582E-10 2.540321660955644E-9 1.485197525472839E-11
i 4.171744733060459E-15 -2.229430272318974E-15 -4.216888194490858E-12 -1.5677745104726E-11 1.485197525472839E-11 4.286328101694374E-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 12.6   n/a MPO302337  

48881 (1998 HS136)          Discovered 1998-Apr-20 by LINEAR at Socorro
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 HS136 = 2001 SP214 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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