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175958 (2000 HZ78)
Classification: Main-belt Asteroid          SPK-ID: 2175958
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .221937997005799 4.3214e-08  
a 2.65622031824872 2.4675e-08 au
q 2.066704101210493 1.2067e-07 au
i 15.22554927940141 4.9985e-06 deg
node 95.08992849334267 2.1892e-05 deg
peri 173.0843711303033 3.0013e-05 deg
M 236.0421164227963 2.6522e-05 deg
tp 2459744.960302791007
(2022-Jun-14.46030279)
0.00012172 TDB
period 1581.228263571361
4.33
2.2034e-05
6.033e-08
d
yr
n .2276711138383679 3.1725e-09 deg/d
Q 3.245736535286946 3.0152e-08 au
  Orbit Determination Parameters
   # obs. used (total)      431  
   data-arc span      7636 days (20.91 yr)  
   first obs. used      2000-04-13  
   last obs. used      2021-03-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5787  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:07:32  

Additional Information
 Earth MOID = 1.04948 au 
 Jupiter MOID = 1.87743 au 
 T_jup = 3.303 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457654.5 (2016-Sep-23.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2227695211024323 4.3084e-08  
q 2.063235002430544 1.2031e-07 au
tp 2458163.533264640387
(2018-Feb-14.03326464)
0.0001071 TDB
node 95.14030297832767 2.1902e-05 deg
peri 173.0319646390316 3.0011e-05 deg
i 15.22588243687834 4.9987e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      431  
   data-arc span      7636 days (20.91 yr)  
   first obs. used      2000-04-13  
   last obs. used      2021-03-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5787  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:07:32  

Additional Information
 Jupiter MOID = 1.87743 au 
 T_jup = 3.303 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.856245199510573E-15 -5.121347399101162E-15 -7.837980179800551E-13 2.437960290900847E-15 -1.176228515298829E-13 2.53930065896389E-15
q -5.121347399101162E-15 1.447415911664097E-14 3.295974519998611E-12 -1.439208062982865E-14 5.253503933904783E-13 -4.54153905242152E-15
tp -7.837980179800551E-13 3.295974519998611E-12 1.147109577497286E-8 -7.985989426804362E-11 2.241259126462454E-9 1.010752571810454E-11
node 2.437960290900847E-15 -1.439208062982865E-14 -7.985989426804362E-11 4.797002529712195E-10 -4.776652286290044E-10 1.401562179650546E-11
peri -1.176228515298829E-13 5.253503933904783E-13 2.241259126462454E-9 -4.776652286290044E-10 9.00680085713015E-10 -1.166173132360975E-11
i 2.53930065896389E-15 -4.54153905242152E-15 1.010752571810454E-11 1.401562179650546E-11 -1.166173132360975E-11 2.49871777511465E-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 15.73   n/a MPCxxxxx  
rotation period rot_per 184.601 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]

175958 (2000 HZ78)          Discovered 2000-Apr-28 by LONEOS at Anderson Mesa
Reference: 20080221/Numbers.arcLast Updated: 2008-02-22

[ show close-approach data ]
Alternate Designations
 2000 HZ78 = 2004 CM108 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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