(7352) Hypsenor


Object

Object (7352) Hypsenor
Diameter(1) 62 km
Dynamic class(1) trojan
Absolute magnitude 10.04
G slop 0.15
(1) Data from the johnston archive list.

Orbital elements

Epoch (Julian date) 2460800.5
Semi major axis 5.121641 ± 0.000000 au
Eccentricity 0.036671012 ± 0.000000010
Inclination 8.184587753 ± 0.000000544 °
Longitude of ascending node 130.336397 ± 0.000004 °
Argument of perihelia 127.493396 ± 0.000025 °
Mean anomaly 116.962027 ± 0.000022 °
Orbital period 11.59 yr

Ephemeris & Observations

Ephemeris version NIMAv7
Observation file (documentation) omc_ast_NIMAv7.txt
bsp file 7352_Hypsenor_nima_v7.bsp
Date of first observation 1988-08-16
Date of last observation 2025-07-13
Number of observations used in the fit 4522
Number of rejected observations 12
Number of DES observations 9
Number of MPC observations 4197
Number of unpublished observations 172
RMS of observations 0.103 arcsec

Residuals

residual plot

Residuals in right ascension and declination compared to NIMAv7 ephemeris.
Colours indicate the estimated precision in arcsec used as weights in the fitting process.

Orbit quality

date σα (arcsec) σδ (arcsec)
2024-01 0.012 0.003
2024-07 0.016 0.006
2025-01 0.015 0.005
2025-07 0.017 0.006
2026-01 0.020 0.007
2026-07 0.018 0.005
2027-01 0.024 0.006
2027-07 0.018 0.003
2028-01 0.026 0.003

Ephemeris comparison

residual plot

Difference between NIMAv7 and JPL68 in right ascension (weighted by cos δ) and in declination.
Gray area represents the 1-σ uncertainty of NIMA ephemeris. Green dots represent the DES observations.

Previous NIMA versions