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JPL Small-Body Database Browser
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(2018 DH1)
Classification: Apollo [NEO, PHA]          SPK-ID: 3799720
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6029591823488641 6.8107e-07  
a 2.095784502235121 3.1524e-06 au
q .832111992388011 1.8983e-07 au
i 1.968272664299001 5.4938e-06 deg
node 146.0874094456844 0.00012707 deg
peri 97.46490571675956 0.00012542 deg
M 245.6950081922509 0.00055048 deg
tp 2459352.369042959144
(2021-May-17.86904296)
0.0024885 TDB
period 1108.200555915741
3.03
0.0025004
6.846e-06
d
yr
n .3248509469502301 7.3294e-07 deg/d
Q 3.359457012082231 5.0532e-06 au
  Orbit Determination Parameters
   # obs. used (total)      361  
   # delay obs. used      3  
   # Doppler obs. used      2  
   data-arc span      238 days  
   first obs. used      2018-01-13  
   last obs. used      2018-09-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      3  
   norm. resid. RMS      .30922  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Mar-21 06:53:46  

Additional Information
 Earth MOID = .0140491 au 
 Jupiter MOID = 1.67852 au 
 T_jup = 3.495 
[ show covariance matrix ]

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 21.1   n/a E2018G16  
rotation period rot_per 5.000 h n/a LCDB (Rev. 2019-August); 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:
[Warner, B.D. (2018) Minor Planet Bull. 45, 248-256.]
[Pravec, P.; Wolf, M.; Sarounova, L. (2019) http://www.asu.cas.cz/~ppravec/neo.htm]

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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