Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.539902E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-12T00:34:57+0800
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    1 Object 1

    AOE ID 57031
    NORAD ID 57031
    Object Type UNKNOWN
    Country
    CN CN
    VS

    2 Object 2

    AOE ID 69198
    NORAD ID 69198
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter OBJECT AD STARLINK-37321
    Time of Closest Approach 2026-09-12T16:59:22+0000
    Collision Probability (Pc) 1.539902E-6
    Conjunction Distance (km) 2.65 km
    Relative Speed (km/s) 14.007 km/s
    Conjunction Risk Parameters R (Radial): 0.083 | I (In-track): 1.049 | C (Cross-track): -2.432
    Collision Risk Index (CRI) 0.39
    X Position (km) 4665.318 4665.704
    Position Y (km) 1459.101 1461.526
    Position Z (km) -4792.259 -4791.262
    Velocity X (km/s) 5.42 -4.679
    Velocity Y (km/s) 0.235 5.245
    Velocity Z (km/s) 5.354 -2.959

    Orbital Parameters 国际轨道数据源

    Parameter OBJECT AD STARLINK-37321
    Semimajor Axis (a) 6832.747 km 6840.802 km
    Eccentricity (e) 0.000902 0.000097
    Inclination (i) 97.5023° 53.1574°
    RAAN 8.4905° 157.3162°
    Perigee Argument 127.5795° 119.6539°
    Mean Anomaly (M) 232.6270° 240.4560°
    Apogee 460.776 km 463.327 km
    Perigee 448.444 km 462.003 km
    Orbit Epoch 2026-09-11T06:48:48+0000 2026-09-11T03:59:24+0000

    OBJECT AD & STARLINK-37321 Collision Probability (Pc) Trend

    OBJECT AD & STARLINK-37321 Collision Probability (Pc) TrendNot Available

    OBJECT AD & STARLINK-37321 Miss Distance (Miss Distance) Trend

    OBJECT AD & STARLINK-37321 Miss Distance (Miss Distance) TrendNot Available

    OBJECT ADMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-37321Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    OBJECT ADCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-37321Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with OBJECT AD

    No nearby objects data