Near Earth Asteroid Rendezvous Orbital Elements - 12/31/98

Initial Event	Final Event	Keplerian Elements in Sun-Centered Mean-of-J2000 Ecliptic Coordinates:
A.1 Julian Date	A.1 Julian Date	a (AU)	e	i (deg)	W (deg)	w (deg)	MA i (deg)	MA f (deg)

DETUMBLE	MODMP-1	1.589558636	0.378401626	0.77515	148.66451	1.81956	359.20498	2.65270
2450131.38768	2450138.39809

MODMP-1	TCM-1	1.587093326	0.377439679	0.77355	148.64052	1.82767	2.66692	6.08580
2450138.39809	2450145.33367

TCM-1	TCM-2	1.586434241	0.377105200	0.76273	148.35879	2.14150	6.07644	102.19939
2450145.33367	2450340.20867

TCM-2	TCM-3	1.586166702	0.377309410	0.76145	148.44602	2.04367	102.19213	158.84847
2450340.20867	2450455.04200

TCM-3	TCM-4	1.586132299	0.377345165	0.76171	148.44418	2.04822	158.84179	170.18534
2450455.04200	2450478.08368

TCM-4	TCM-5	1.586134065	0.377342915	0.76179	148.44150	2.05029	170.21175	239.37954
2450478.08368	2450618.27131

TCM-5	TCM-7	1.585884007	0.377537309	0.76191	148.44068	2.06543	239.36743	246.91218
2450618.27131	2450632.93795

TCM-7	TCM-8	1.563140967	0.392199801	0.51528	122.77882	29.50883	245.14991	255.31038
2450632.93795	2450653.08784

TCM-8	TCM-9	1.562576634	0.392542360	0.51537	122.80180	29.53662	255.26787	314.34858
2450653.08784	2450770.16699

TCM-9	TCM-10	1.563073217	0.392794302	0.51645	122.63785	29.70592	314.34986	341.18721
2450770.16699	2450823.33366

TCM-10	ESB*	1.563062073	0.392791018	0.51641	122.63889	29.70548	341.18676	358.24316
2450823.33366	2450836.80760

ESB*	TCM-12	1.377247933	0.286548426	10.04373	303.02896	186.94807	356.35675	38.04218
2450836.80760	2450905.16699

TCM-12	TCM-15	1.377040913	0.286416313	10.04322	303.01323	186.94854	38.06655	157.63928
2450905.16699	2451101.20869

TCM-15	TCM-16	1.377124669	0.286340336	10.04352	303.01240	186.95050	157.63960	198.62860
2451101.20869	2451168.41705

TCM-16	TCM-17	1.378205183	0.285316152	10.02847	302.98461	186.95982	198.62408	207.02544
2451168.41705	2451182.20869

Actual
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Planned
TCM-17	RND	1.458083784	0.223790185	10.81490	304.72300	178.24919	214.57481	77.93371
2451182.20869	2451581.20870

RND	EROS ORBIT	1.458203583	0.223068516	10.82372	304.50240	178.52644	77.95620	82.43402
2451581.20870	2451589.20870

* Earth-Centered Mean-of-J2000 Earth Equator Keplerian Elements for Earth Swingby +/- 1.5 days are:
2450835.30760	2450838.30760	-8493.2955 km	1.81369	107.9717	88.2523	145.1142	(Periapsis Alt. = 538.834 km)