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120696 (1997 HH)
Classification: Main-belt Asteroid          SPK-ID: 2120696
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1805722868176457 5.2936e-08  
a 3.133626361111708 2.803e-08 au
q 2.567780283053709 1.7717e-07 au
i 1.276844787118199 6.6177e-06 deg
node 42.58403829529585 0.00022245 deg
peri 282.2370665960235 0.00022322 deg
M 4.500589078193717 1.639e-05 deg
tp 2459175.169946562273
(2020-Nov-21.66994656)
9.2211e-05 TDB
period 2026.139040723411
5.55
2.7185e-05
7.443e-08
d
yr
n .1776778359058053 2.384e-09 deg/d
Q 3.699472439169706 3.3091e-08 au
  Orbit Determination Parameters
   # obs. used (total)      368  
   data-arc span      9805 days (26.84 yr)  
   first obs. used      1993-10-11  
   last obs. used      2020-08-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57431  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 17:07:43  

Additional Information
 Earth MOID = 1.55424 au 
 Jupiter MOID = 1.64024 au 
 T_jup = 3.187 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456752.5 (2014-Apr-05.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1808379294141003 5.3206e-08  
q 2.565606532911989 1.782e-07 au
tp 2457156.331857209852
(2015-May-13.83185721)
9.3891e-05 TDB
node 42.67434815689751 0.00022188 deg
peri 283.2209263397596 0.00022265 deg
i 1.278904881353478 6.6245e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      368  
   data-arc span      9805 days (26.84 yr)  
   first obs. used      1993-10-11  
   last obs. used      2020-08-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57431  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 17:07:43  

Additional Information
 Jupiter MOID = 1.64024 au 
 T_jup = 3.187 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.830920592398344E-15 -9.420526419453367E-15 2.335967038814586E-12 -1.154021936395984E-14 4.66834724201503E-13 -5.585692844714632E-16
q -9.420526419453367E-15 3.175450459153655E-14 -7.79766670019011E-12 3.792817500128881E-14 -1.576471956481012E-12 2.012936651086988E-15
tp 2.335967038814586E-12 -7.79766670019011E-12 8.815529568718547E-9 -3.233007441053556E-11 1.757612013851835E-9 -3.583898117492591E-13
node -1.154021936395984E-14 3.792817500128881E-14 -3.233007441053556E-11 4.923192718791705E-8 -4.922548692032704E-8 -5.01277529913906E-10
peri 4.66834724201503E-13 -1.576471956481012E-12 1.757612013851835E-9 -4.922548692032704E-8 4.957192391799282E-8 5.010666191960329E-10
i -5.585692844714632E-16 2.012936651086988E-15 -3.583898117492591E-13 -5.01277529913906E-10 5.010666191960329E-10 4.388350586247097E-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 15.75   n/a E2021B55  

120696 (1997 HH)          Discovered 1997-Apr-28 by Spacewatch at Kitt Peak
Reference: 20060314/Numbers.arcLast Updated: 2006-03-23

[ show close-approach data ]
Alternate Designations
 1997 HH = 1999 VG110 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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