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49315 (1998 VP21)
Classification: Main-belt Asteroid          SPK-ID: 2049315
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1985094024777072 3.7987e-08  
a 2.582995486919168 1.451e-08 au
q 2.07024659620823 9.6245e-08 au
i 3.787854855582445 5.1697e-06 deg
node 2.654363282640288 8.5037e-05 deg
peri 26.80750552632358 8.6947e-05 deg
M 79.10958975270502 2.1446e-05 deg
tp 2458667.295752050716
(2019-Jul-02.79575205)
8.8449e-05 TDB
period 1516.295680924584
4.15
1.2776e-05
3.498e-08
d
yr
n .2374207118894414 2.0005e-09 deg/d
Q 3.095744377630107 1.739e-08 au
  Orbit Determination Parameters
   # obs. used (total)      579  
   data-arc span      15588 days (42.68 yr)  
   first obs. used      1977-09-09  
   last obs. used      2020-05-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57352  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 23:33:17  

Additional Information
 Earth MOID = 1.07611 au 
 Jupiter MOID = 2.36037 au 
 T_jup = 3.393 
[ 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 15.8   n/a MPO359071  

49315 (1998 VP21)          Discovered 1998-Nov-10 by LINEAR at Socorro
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 VP21 = 1977 RY16 = 2002 PF44 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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