Conjunction Event Detail

    Very Low Risk
    Very low collision probability. Continue monitoring.
    9.676835E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-03T11:03:24+0800
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    1 Object 1

    AOE ID 53009
    NORAD ID 53009
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 57012
    NORAD ID 57012
    Object Type UNKNOWN
    Country
    CN CN

    Conjunction Constraints

    Parameter STARLINK-4277 OBJECT J
    Time of Closest Approach 2026-09-04T05:47:50+0000
    Collision Probability (Pc) 9.676835E-7
    Conjunction Distance (km) 2.576 km
    Relative Speed (km/s) 5.776 km/s
    Conjunction Risk Parameters R (Radial): 2.528 | I (In-track): -0.456 | C (Cross-track): -0.185
    Collision Risk Index (CRI) 0.35
    X Position (km) -6823.129 -6820.574
    Position Y (km) -68.885 -68.984
    Position Z (km) -465.227 -465.531
    Velocity X (km/s) 0.455 0.493
    Velocity Y (km/s) -4.583 1.004
    Velocity Z (km/s) -6.092 -7.556

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4277 OBJECT J
    Semimajor Axis (a) 6837.875 km 6834.618 km
    Eccentricity (e) 0.000071 0.000688
    Inclination (i) 53.1628° 97.4993°
    RAAN 7.8643° 359.4013°
    Perigee Argument 78.9356° 116.0749°
    Mean Anomaly (M) 281.1727° 244.1204°
    Apogee 460.226 km 461.185 km
    Perigee 459.250 km 451.777 km
    Orbit Epoch 2026-09-02T01:26:33+0000 2026-09-02T13:55:33+0000

    STARLINK-4277 & OBJECT J Collision Probability (Pc) Trend

    STARLINK-4277 & OBJECT J Collision Probability (Pc) TrendNot Available

    STARLINK-4277 & OBJECT J Miss Distance (Miss Distance) Trend

    STARLINK-4277 & OBJECT J Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4277Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    OBJECT JMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4277Collision Probability Trend

    Object 1 Probability TrendNot Available

    OBJECT JCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4277

    No nearby objects data