Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.424221E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-17T21:51:06+0800
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    1 Object 1

    Name ALICE
    AOE ID 39467
    NORAD ID 39467
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 65323
    NORAD ID 65323
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter ALICE STARLINK-34899
    Time of Closest Approach 2026-10-18T00:54:38+0000
    Collision Probability (Pc) 1.424221E-6
    Conjunction Distance (km) 2.879 km
    Relative Speed (km/s) 15.052 km/s
    Conjunction Risk Parameters R (Radial): 1.431 | I (In-track): 0.436 | C (Cross-track): 2.459
    Collision Risk Index (CRI) 0.38
    X Position (km) 4228.299 4229.2
    Position Y (km) -25.505 -26.53
    Position Z (km) 5378.624 5376.09
    Velocity X (km/s) -3.552 1.502
    Velocity Y (km/s) -6.27 7.398
    Velocity Z (km/s) 2.622 -1.143

    Orbital Parameters 国际轨道数据源

    Parameter ALICE STARLINK-34899
    Semimajor Axis (a) 6911.445 km 6848.856 km
    Eccentricity (e) 0.016577 0.000206
    Inclination (i) 120.4610° 53.1586°
    RAAN 45.0520° 258.4810°
    Perigee Argument 122.1914° 88.7973°
    Mean Anomaly (M) 239.5347° 271.3264°
    Apogee 647.883 km 472.130 km
    Perigee 418.733 km 469.308 km
    Orbit Epoch 2026-10-17T05:33:49+0000 2026-10-16T15:35:15+0000

    ALICE & STARLINK-34899 Collision Probability (Pc) Trend

    ALICE & STARLINK-34899 Collision Probability (Pc) TrendNot Available

    ALICE & STARLINK-34899 Miss Distance (Miss Distance) Trend

    ALICE & STARLINK-34899 Miss Distance (Miss Distance) TrendNot Available

    ALICEMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-34899Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    ALICECollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-34899Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with ALICE

    No nearby objects data