Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.209925E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-03T11:19:08+0800
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    1 Object 1

    AOE ID 53420
    NORAD ID 53420
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 61751
    NORAD ID 61751
    Object Type UNKNOWN
    Country
    TBD TBD

    Conjunction Constraints

    Parameter STARLINK-4552 OBJECT S
    Time of Closest Approach 2026-09-04T08:10:57+0000
    Collision Probability (Pc) 1.209925E-6
    Conjunction Distance (km) 2.901 km
    Relative Speed (km/s) 11.523 km/s
    Conjunction Risk Parameters R (Radial): 2.764 | I (In-track): 0.573 | C (Cross-track): 0.67
    Collision Risk Index (CRI) 0.37
    X Position (km) 1165.726 1164.902
    Position Y (km) -3948.134 -3947.229
    Position Z (km) -5470.515 -5467.887
    Velocity X (km/s) 7.175 -3.227
    Velocity Y (km/s) 2.559 5.254
    Velocity Z (km/s) -0.318 -4.479

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4552 OBJECT S
    Semimajor Axis (a) 6840.872 km 6830.102 km
    Eccentricity (e) 0.000109 0.001035
    Inclination (i) 53.1612° 97.2866°
    RAAN 33.8307° 114.5090°
    Perigee Argument 94.9588° 37.7641°
    Mean Anomaly (M) 265.1539° 322.4329°
    Apogee 463.482 km 459.038 km
    Perigee 461.988 km 444.892 km
    Orbit Epoch 2026-09-01T16:29:36+0000 2026-09-02T14:34:21+0000

    STARLINK-4552 & OBJECT S Collision Probability (Pc) Trend

    STARLINK-4552 & OBJECT S Collision Probability (Pc) TrendNot Available

    STARLINK-4552 & OBJECT S Miss Distance (Miss Distance) Trend

    STARLINK-4552 & OBJECT S Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4552Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    OBJECT SMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4552Collision Probability Trend

    Object 1 Probability TrendNot Available

    OBJECT SCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4552

    No nearby objects data