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30612 (2638 P-L)
Classification: Main-belt Asteroid          SPK-ID: 2030612
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2322739884283763 4.4557e-08  
a 2.555327202881881 9.3153e-09 au
q 1.96179116172898 1.1714e-07 au
i 1.992759503836758 4.5248e-06 deg
node 189.2488293739133 9.6724e-05 deg
peri 166.8037670600428 9.7072e-05 deg
M 266.3618950066967 1.0696e-05 deg
tp 2459588.577371050761
(2022-Jan-09.07737105)
4.6053e-05 TDB
period 1491.997874030722
4.08
8.1585e-06
2.234e-08
d
yr
n .2412872070839072 1.3194e-09 deg/d
Q 3.148863244034782 1.1479e-08 au
  Orbit Determination Parameters
   # obs. used (total)      924  
   data-arc span      21810 days (59.71 yr)  
   first obs. used      1960-09-24  
   last obs. used      2020-06-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55284  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 06:38:28  

Additional Information
 Earth MOID = .955827 au 
 Jupiter MOID = 2.30167 au 
 T_jup = 3.399 
[ 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 15.89   n/a E2021B10  

30612 (2638 P-L)          Discovered 1960-Sep-24 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20011002/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 2638 P-L = 2001 QV27 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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