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61342 Lovejoy (2000 PJ3)
Classification: Main-belt Asteroid          SPK-ID: 2061342
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2100751602463389 3.0438e-08  
a 2.377414652375065 9.2406e-09 au
q 1.877978888305379 7.2721e-08 au
i 3.168612603044284 3.5238e-06 deg
node 90.79005618496632 6.8433e-05 deg
peri 229.0185926791684 6.9102e-05 deg
M 248.6007768691411 1.2155e-05 deg
tp 2459810.819611517441
(2022-Aug-19.31961152)
4.6784e-05 TDB
period 1338.923701209915
3.67
7.8063e-06
2.137e-08
d
yr
n .268872677117215 1.5676e-09 deg/d
Q 2.87685041644475 1.1182e-08 au
  Orbit Determination Parameters
   # obs. used (total)      920  
   data-arc span      9644 days (26.40 yr)  
   first obs. used      1995-02-05  
   last obs. used      2021-07-02  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5183  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 22:18:28  

Additional Information
 Earth MOID = .866151 au 
 Jupiter MOID = 2.43545 au 
 T_jup = 3.508 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.80   n/a MPCxxxxx  

61342 Lovejoy           Discovered 2000 Aug. 3 by G. Garradd at Loomberah.
Australian amateur astronomer Terry Lovejoy is a visual comet observer who also pioneered comet discovery via the internet in SOHO/LASCO data and through sky patrols using digital cameras.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20070926/MPCPages.arcLast Updated: 2007-09-30

Alternate Designations
 2000 PJ3 = 2001 YC81 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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