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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 ]

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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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 122 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2235454163892123 5.7535e-09  
a 1.315861731933322 2.5666e-09 au
q 1.021706873157657 7.9435e-09 au
i 5.440350604419142 1.5148e-06 deg
node 89.15201950447589 4.5066e-06 deg
peri 152.1415277762192 6.2173e-06 deg
M 252.4818092868846 3.0152e-06 deg
tp 2459365.161951825892
(2021-May-30.66195183)
4.8717e-06 TDB
period 551.3327769390202
1.51
1.6131e-06
4.416e-09
d
yr
n .6529631740719409 1.9104e-09 deg/d
Q 1.610016590708987 3.1404e-09 au
  Orbit Determination Parameters
   # obs. used (total)      653  
   # delay obs. used      4  
   # Doppler obs. used      2  
   data-arc span      2198 days (6.02 yr)  
   first obs. used      2015-02-17  
   last obs. used      2021-02-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .37231  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 05:19:20  

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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