Asteroid General Data

1988 PA (161998)

General information

Preliminary designation	1988 PA
Number	161998
Group	Amor
Absolute magnitude	17.59
Approximate diameter (m)	810
Approximate mass (kg)	9.59·10¹¹
Number of observations	495
Arc length (days)	13434

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	46.229953
a – orbit major semiaxis (astronomical units)	2.14671200
e – orbit eccentricity	0.40628100
ω – orbit ascending node-perihelion angle (degrees)	137.623253
Ω – longitude of orbit ascending node (degrees)	162.053545
i – orbit inclination to the ecliptic plane (degrees)	8.227441

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	110.657879	2.14751957	0.40583295	133.117699	164.934592	8.005680	1.27598538	3.147069
01/21/1858	190.834481	2.14639408	0.40666559	134.025984	164.426858	8.047799	1.27352946	3.144596
01/29/1887	270.728103	2.14667328	0.40687385	134.519211	164.024058	8.073011	1.27324806	3.145209
02/07/1916	350.567067	2.14759312	0.40547383	135.360982	163.617334	8.109732	1.27680032	3.147231
02/14/1945	70.402809	2.14621681	0.40708855	136.046340	163.110618	8.143502	1.27251652	3.144206
02/22/1974	151.229024	2.14747380	0.40510851	136.489907	162.816153	8.169488	1.27751389	3.146969
03/02/2003	232.202115	2.14792752	0.40620044	137.353503	162.259169	8.210801	1.27543842	3.147966
03/09/2032	312.704450	2.14689514	0.40558314	137.644206	162.024544	8.228212	1.27615067	3.145697
03/17/2061	33.475237	2.14646664	0.40683280	138.351699	161.562389	8.264601	1.27321361	3.144755
03/25/2090	113.309034	2.14716348	0.40598340	138.844790	161.208117	8.288298	1.27545074	3.146287
04/03/2119	194.398198	2.14588730	0.40638182	139.722116	160.752694	8.332780	1.27383772	3.143482
04/10/2148	275.625480	2.14583708	0.40672504	140.196139	160.359007	8.362439	1.27307141	3.143372
04/18/2177	356.803117	2.14729715	0.40511825	140.955359	160.020391	8.396474	1.27738789	3.146580

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