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100853 (1998 HH34)
Classification: Main-belt Asteroid          SPK-ID: 2100853
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3303828049009283 2.8589e-08  
a 2.685125989835909 8.4901e-09 au
q 1.79800653380154 7.6671e-08 au
i 7.906013667373636 4.9933e-06 deg
node 192.1541160553339 2.596e-05 deg
peri 268.5884803356353 2.7531e-05 deg
M 70.73709415078316 7.8748e-06 deg
tp 2458684.715983971684
(2019-Jul-20.21598397)
3.4479e-05 TDB
period 1607.109355211406
4.40
7.6223e-06
2.087e-08
d
yr
n .2240046695220962 1.0624e-09 deg/d
Q 3.572245445870279 1.1295e-08 au
  Orbit Determination Parameters
   # obs. used (total)      757  
   data-arc span      8110 days (22.20 yr)  
   first obs. used      1998-03-29  
   last obs. used      2020-06-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58424  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 01:13:27  

Additional Information
 Earth MOID = .83523 au 
 Jupiter MOID = 1.72117 au 
 T_jup = 3.281 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457072.5 (2015-Feb-19.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3305689036644525 2.8531e-08  
q 1.797841898410564 7.6464e-08 au
tp 2457078.649088239135
(2015-Feb-25.14908824)
3.1974e-05 TDB
node 192.1713791382085 2.5973e-05 deg
peri 268.8111723273431 2.754e-05 deg
i 7.903521741475241 4.992e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      757  
   data-arc span      8110 days (22.20 yr)  
   first obs. used      1998-03-29  
   last obs. used      2020-06-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58424  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 01:13:27  

Additional Information
 Jupiter MOID = 1.72117 au 
 T_jup = 3.281 
Orbit Covariance (6×6)
  e q tp node peri i
e 8.140211911023956E-16 -2.175670508052121E-15 -3.4207531336336E-13 3.439425029490368E-15 -1.033059531788061E-13 -5.586741982644884E-15
q -2.175670508052121E-15 5.846693503525616E-15 9.523657553750421E-13 -6.364143883759001E-15 2.806025493753145E-13 1.617516362546194E-14
tp -3.4207531336336E-13 9.523657553750421E-13 1.022333435286001E-9 -3.146821612586523E-12 3.02792723150211E-10 8.53875420748502E-12
node 3.439425029490368E-15 -6.364143883759001E-15 -3.146821612586523E-12 6.745731239197E-10 -6.685351827816039E-10 4.120971044584074E-11
peri -1.033059531788061E-13 2.806025493753145E-13 3.02792723150211E-10 -6.685351827816039E-10 7.584505636654167E-10 -3.837571339813204E-11
i -5.586741982644884E-15 1.617516362546194E-14 8.53875420748502E-12 4.120971044584074E-11 -3.837571339813204E-11 2.491976315658425E-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 15.6   n/a MPO459473  
diameter diameter 2.800 km 0.615 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  
geometric albedo albedo 0.130   0.053 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  

100853 (1998 HH34)          Discovered 1998-Apr-20 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1998 HH34 = 2001 TR80 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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