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JPL Small-Body Database Browser
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(2015 HH)
Classification: Apollo [NEO]          SPK-ID: 3715997
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1020024931750225 0.00021934  
a 1.067452803475637 0.00026846 au
q .9585699561744542 8.8688e-06 au
i 11.50214599269085 0.024889 deg
node 206.8210056347858 0.0013654 deg
peri 281.904349132399 0.057683 deg
M 297.7935772013883 0.70892 deg
tp 2459070.107202059001
(2020-Aug-08.60720206)
0.81952 TDB
period 402.8296695723147
1.10
0.15197
0.0004161
d
yr
n .8936779666259761 0.00033713 deg/d
Q 1.176335650776819 0.00029584 au
  Orbit Determination Parameters
   # obs. used (total)      41  
   data-arc span      7 days  
   first obs. used      2015-04-16  
   last obs. used      2015-04-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .42854  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-06 08:34:23  

Additional Information
 Earth MOID = .0282912 au 
 Jupiter MOID = 3.83921 au 
 T_jup = 5.758 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457129.5 (2015-Apr-17.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1023890851244852 0.00021748  
q .9579071249654829 1.2235e-05 au
tp 2457055.669003137164
(2015-Feb-02.16900314)
0.060227 TDB
node 206.8587866174479 0.0015519 deg
peri 281.648732832894 0.059065 deg
i 11.51461490103713 0.024834 deg
  Orbit Determination Parameters
   # obs. used (total)      41  
   data-arc span      7 days  
   first obs. used      2015-04-16  
   last obs. used      2015-04-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .42854  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-06 08:34:23  

Additional Information
 Jupiter MOID = 3.83921 au 
 T_jup = 5.758 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.72966110766535E-8 2.359134634000456E-9 1.30873951187181E-5 -3.37488098226418E-7 1.282957986061592E-5 5.400474920398591E-6
q 2.359134634000456E-9 1.496926451322434E-10 6.665111671371828E-7 -1.690753733919562E-8 6.564201404158884E-7 2.710635854167193E-7
tp 1.30873951187181E-5 6.665111671371828E-7 .003627297414140345 -9.341682366497328E-5 .003557142791122683 .001495071198743721
node -3.37488098226418E-7 -1.690753733919562E-8 -9.341682366497328E-5 2.408405460108217E-6 -9.158361857156381E-5 -3.853985940996832E-5
peri 1.282957986061592E-5 6.564201404158884E-7 .003557142791122683 -9.158361857156381E-5 .00348863301096965 .001465779823129995
i 5.400474920398591E-6 2.710635854167193E-7 .001495071198743721 -3.853985940996832E-5 .001465779823129995 .0006167412486163499

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 26.1   n/a MPO337060  

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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