AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 2001RP21 ∴ Summary
Contact »
(173744) 2001RP21  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.695 1.545e-08 au
e 0.198765 5.134e-08
i 7.984 7.032e-06 deg
Ω 156.86 4.239e-05 deg
ω 138.236 4.642e-05 deg
M 67.403 2.041e-05 deg

More info »
Other useful info
Absolute Magnitude (H)    16.4 mag
Slope parameter (G)    0.15 mag
Perihelion 2.1593 au
Aphelion 3.2307 au
Asc. node-Earth separation 2.04947 au
Desc. node-Earth separation 1.24505 au
Earth MOID 1.15106 au
Orbital period 1615.99 days
Date of orbit computation  feb 22 02:27
Observational summary
Optical observations (Discarded) 443 (1)
Radar observations (Discarded) 0 (0)
Arc length 10477 days
Unobserved 163 days

More info »
Ephemeris at epoch 60418 MJD
Right Ascension 28.3925 deg
Declination 6.76306 deg
V Magnitude 21.48 mag
Solar Elongation -4.62 deg
Galactic Latitude -52.92 deg
Rate 0.437 deg/day
Direction 71.373 deg

More info »