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344038 (2012 PH4)
Classification: Main-belt Asteroid          SPK-ID: 2344038
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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1563731097483378 3.4291e-08  
a 2.528076075525813 1.5702e-08 au
q 2.132752957915467 8.9402e-08 au
i 2.550540131886394 5.5087e-06 deg
node 219.4650489334488 0.00018498 deg
peri 212.9176437946704 0.00018736 deg
M 263.7765041279582 3.2698e-05 deg
tp 2459392.930058630743
(2021-Jun-27.43005863)
0.00013424 TDB
period 1468.194642345307
4.02
1.3678e-05
3.745e-08
d
yr
n .2451990966435709 2.2844e-09 deg/d
Q 2.923399193136158 1.8157e-08 au
  Orbit Determination Parameters
   # obs. used (total)      228  
   data-arc span      7314 days (20.02 yr)  
   first obs. used      2000-10-02  
   last obs. used      2020-10-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .64249  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 17:03:50  

Additional Information
 Earth MOID = 1.14795 au 
 Jupiter MOID = 2.34591 au 
 T_jup = 3.434 
[ 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 17.2   n/a MPO437457  

344038 (2012 PH4)          Discovered 2004-Sep-11 by Spacewatch at Kitt Peak
Reference: 20121029/Numbers.arcLast Updated: 2012-11-08

Alternate Designations
 2012 PH4 = 2004 RA267 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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