Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    9.345361E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-03T01:40:24+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 62777
    NORAD ID 62777
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter ALICE STARLINK-33591
    Time of Closest Approach 2026-09-04T17:49:04+0000
    Collision Probability (Pc) 9.345361E-6
    Conjunction Distance (km) 1.238 km
    Relative Speed (km/s) 9.345 km/s
    Conjunction Risk Parameters R (Radial): -1.232 | I (In-track): -0.075 | C (Cross-track): -0.082
    Collision Risk Index (CRI) 0.54
    X Position (km) -4206.352 -4207.087
    Position Y (km) -4572.068 -4572.851
    Position Z (km) 2851.563 2852.178
    Velocity X (km/s) -1.285 5.335
    Velocity Y (km/s) 4.929 -1.643
    Velocity Z (km/s) 5.749 5.214

    Orbital Parameters 国际轨道数据源

    Parameter ALICE STARLINK-33591
    Semimajor Axis (a) 6914.302 km 6840.812 km
    Eccentricity (e) 0.017032 0.000151
    Inclination (i) 120.4633° 53.1574°
    RAAN 232.1944° 219.1615°
    Perigee Argument 76.4180° 74.2431°
    Mean Anomaly (M) 285.5799° 285.8738°
    Apogee 653.933 km 463.710 km
    Perigee 418.397 km 461.640 km
    Orbit Epoch 2026-09-01T21:21:45+0000 2026-09-02T04:43:02+0000

    ALICE & STARLINK-33591 Collision Probability (Pc) Trend

    ALICE & STARLINK-33591 Collision Probability (Pc) TrendNot Available

    ALICE & STARLINK-33591 Miss Distance (Miss Distance) Trend

    ALICE & STARLINK-33591 Miss Distance (Miss Distance) TrendNot Available

    ALICEMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-33591Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    ALICECollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-33591Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with ALICE

    No nearby objects data