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Note number : 0099 P/Neujmin 3 : 42P

Introduction

The following improved orbital elements, are from 211 observations 1993 May 25 to 2015 May 22, including full planetary and non-gravitational effect of type II, and relativity effect of the sun.

The mean residual is 0.45 arc second.

Elements

Orbital elements given with respect to the mean ecliptic and equinox of J2000.
Epoch : 2015 April 8 at 0h TT, julian day 2457120.5.

Perihelion passage (T) 2015 April 8.24089 TT ±0.00000 TT
Argument of perihelion (ω) 147.1373252° ±0.0006470°
>Longitude of the node (Ω) 150.2800693° ۪.0006371°
Inclinaison (i) 3.9844506° ±0.0000556°
Perihelion distance (q) 2.0279678 ua ±0.0000014 ua
Eccentricity (e) 0.5841185 ±0.0000054
Semimajor axis (a) 4.8763120 ua ±0.0000668 ua
Mean motion (n) 0.09153071°/jour ±0.00000188°/jour
Period (P) 10.768 years ±0.0002211 (0.0808 day)

Non-gravitational parameters :

A1 = 0.43543 .10-8 ±0.14415 .10-8
A2 = 0.10181 .10-8 ±0.00043 .10-8

Formulæ for magnitudes

Total magnitude :
m1 = H1 + 5log(Δ) + 10 log(r) with H1 = 15.44± 0.10 calculated using 90 observation(s).
Nuclear magnitude :
m2 = H2 + 5log(Δ) + 5 log(r) with H2 = 16.34±0.03 calculated using 41 observation(s).

Elements for the next transit through perihelion

Epoch :2026 January 13 at 0h TT, julian day 2461053.5 TT.

T =2026 January 14.93676 TT.
q :2.0296377 ua (J2000) P Q
n : 0.09142704°/jour ω : 147.1239973° +0.45899096 +0.88776645
a : 4.8799977 ua Ω : 150.1558368° -0.82941036 +0.44213293
e : 0.5840904 i : 3.9883216° -0.31844270 +0.12802034
P =10.78 years

Elements for the previous transit(s) through perihelion

Epoch :2004 July 15 at 0h TT, julian day 2453201.5 TT.

T =2004 July 15.94569 TT.
q :2.0147386 ua (J2000) P Q
n : 0.09210597°/jour ω : 147.1618410° +0.46310147 +0.88563947
a : 4.8559872 ua Ω : 150.3836950° -0.82742556 +0.44590102
e : 0.5851022 i : 3.9854436° -0.31765386 +0.12967273
P =10.70 years

Epoch :1993 November 13 at 0h TT, julian day 2449304.5 TT.

T =1993 November 13.04985 TT.
q :2.0012042 ua (J2000) P Q
n : 0.09272397°/jour ω : 147.0130261° +0.46142396 +0.88651582
a : 4.8343864 ua Ω : 150.4240159° -0.82828755 +0.44432966
e : 0.5860479 i : 3.9867892° -0.31784850 +0.12907695
P =10.63 years

Contact

Send your suggestion to the author of the notes : Patrick Rocher

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