Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.675078E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-03T11:27:36+0800
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    1 Object 1

    AOE ID 53004
    NORAD ID 53004
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 61869
    NORAD ID 61869
    Object Type UNKNOWN
    Country
    CN CN

    Conjunction Constraints

    Parameter STARLINK-4253 OBJECT A
    Time of Closest Approach 2026-09-03T21:31:54+0000
    Collision Probability (Pc) 1.675078E-6
    Conjunction Distance (km) 2.151 km
    Relative Speed (km/s) 8.263 km/s
    Conjunction Risk Parameters R (Radial): -1.926 | I (In-track): 0.804 | C (Cross-track): -0.515
    Collision Risk Index (CRI) 0.39
    X Position (km) 4049.288 4049.723
    Position Y (km) -2917.226 -2917.989
    Position Z (km) -4697.912 -4699.875
    Velocity X (km/s) 6.072 3.374
    Velocity Y (km/s) 3.362 -4.095
    Velocity Z (km/s) 3.149 5.467

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4253 OBJECT A
    Semimajor Axis (a) 6848.875 km 6848.288 km
    Eccentricity (e) 0.000100 0.001209
    Inclination (i) 53.1623° 97.4124°
    RAAN 17.5718° 315.8854°
    Perigee Argument 88.4728° 57.8774°
    Mean Anomaly (M) 271.6388° 302.3640°
    Apogee 471.423 km 478.433 km
    Perigee 470.053 km 461.869 km
    Orbit Epoch 2026-09-02T01:56:25+0000 2026-09-02T14:22:07+0000

    STARLINK-4253 & OBJECT A Collision Probability (Pc) Trend

    STARLINK-4253 & OBJECT A Collision Probability (Pc) TrendNot Available

    STARLINK-4253 & OBJECT A Miss Distance (Miss Distance) Trend

    STARLINK-4253 & OBJECT A Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4253Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    OBJECT AMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4253Collision Probability Trend

    Object 1 Probability TrendNot Available

    OBJECT ACollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4253

    No nearby objects data