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(2015 DP155)
Classification: Amor [NEO, PHA]          SPK-ID: 3711785
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 126 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .223545415933266 5.6642e-09  
a 1.315861731559986 2.4893e-09 au
q 1.021706873467741 7.8919e-09 au
i 5.440350764088344 1.4882e-06 deg
node 89.15201915295407 4.4596e-06 deg
peri 152.1415285197967 6.1038e-06 deg
M 252.4818093274229 2.9997e-06 deg
tp 2459365.161951693732
(2021-May-30.66195169)
4.8513e-06 TDB
period 551.3327767043843
1.51
1.5645e-06
4.283e-09
d
yr
n .6529631743498286 1.8529e-09 deg/d
Q 1.610016589652231 3.0458e-09 au
  Orbit Determination Parameters
   # obs. used (total)      679  
   # delay obs. used      4  
   # Doppler obs. used      2  
   data-arc span      2233 days (6.11 yr)  
   first obs. used      2015-02-17  
   last obs. used      2021-03-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .37688  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Mar-31 06:18:51  

Additional Information
 Earth MOID = .0205831 au 
 Jupiter MOID = 3.39716 au 
 T_jup = 4.930 
[ 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 21.6   n/a E2021-DA1  
rotation period rot_per 3.097 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Reshetnyk, V.; Godunova, B.; Sergeev, O.; Simon, A. Astronomer's Telegram 11645. http://www.astronomerstelegram.org]
[Warner, B.D. (2018) Minor Planet Bull. 45, 366-379.]

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