Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.709821E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T08:55:29+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 66201
    NORAD ID 66201
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter ALICE STARLINK-35543
    Time of Closest Approach 2026-10-20T05:19:31+0000
    Collision Probability (Pc) 1.709821E-6
    Conjunction Distance (km) 2.521 km
    Relative Speed (km/s) 14.516 km/s
    Conjunction Risk Parameters R (Radial): -1.025 | I (In-track): 0.721 | C (Cross-track): -2.187
    Collision Risk Index (CRI) 0.4
    X Position (km) 4101.294 4098.854
    Position Y (km) 366.876 367.231
    Position Z (km) 5463.85 5464.374
    Velocity X (km/s) -2.775 -1.137
    Velocity Y (km/s) -6.735 7.542
    Velocity Z (km/s) 2.397 0.345

    Orbital Parameters 国际轨道数据源

    Parameter ALICE STARLINK-35543
    Semimajor Axis (a) 6911.286 km 6848.846 km
    Eccentricity (e) 0.016539 0.000147
    Inclination (i) 120.4609° 53.1580°
    RAAN 52.8774° 283.0238°
    Perigee Argument 124.2625° 90.3339°
    Mean Anomaly (M) 237.4227° 269.7831°
    Apogee 647.458 km 471.716 km
    Perigee 418.840 km 469.702 km
    Orbit Epoch 2026-10-19T06:47:37+0000 2026-10-19T16:25:14+0000

    ALICE & STARLINK-35543 Collision Probability (Pc) Trend

    ALICE & STARLINK-35543 Collision Probability (Pc) TrendNot Available

    ALICE & STARLINK-35543 Miss Distance (Miss Distance) Trend

    ALICE & STARLINK-35543 Miss Distance (Miss Distance) TrendNot Available

    ALICEMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-35543Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    ALICECollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-35543Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with ALICE

    No nearby objects data