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53110 (1999 AR7)
Classification: Amor [NEO]          SPK-ID: 2053110
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 253 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2144582728000035 3.4398e-08  
a 1.644490324582739 6.0096e-09 au
q 1.291815769936408 5.8973e-08 au
i 40.6305634222934 6.8616e-06 deg
node 85.44507384931437 6.1075e-06 deg
peri 58.1795400614123 1.5545e-05 deg
M 7.734886449990111 1.3471e-05 deg
tp 2458983.950043653039
(2020-May-14.45004365)
2.8789e-05 TDB
period 770.2743050498943
2.11
4.2223e-06
1.156e-08
d
yr
n .4673659729265941 2.5619e-09 deg/d
Q 1.997164879229071 7.2984e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1198  
   data-arc span      7893 days (21.61 yr)  
   first obs. used      1998-11-28  
   last obs. used      2020-07-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45479  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jul-08 06:59:02  

Additional Information
 Earth MOID = .409922 au 
 Jupiter MOID = 3.37576 au 
 T_jup = 3.998 
[ show covariance matrix ]

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 16.7   n/a MPO436156  
rotation period rot_per 2.7375 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Warner, B.D. (2016) Minor Planet Bull. 43, 163-164.]
[Warner, B.D. (2018) Minor Planet Bull. 45, 138-147.]

53110 (1999 AR7)          Discovered 1999-Jan-11 by LINEAR at Socorro
Reference: 20030216/Numbers.arcLast Updated: 2004-04-19

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