Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.892827E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-05T16:00:13+0800
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    1 Object 1

    AOE ID 48655
    NORAD ID 48655
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 69788
    NORAD ID 69788
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-2657 KUIPER-00644
    Time of Closest Approach 2026-09-06T07:38:36+0000
    Collision Probability (Pc) 1.892827E-6
    Conjunction Distance (km) 1.949 km
    Relative Speed (km/s) 6.895 km/s
    Conjunction Risk Parameters R (Radial): -0.621 | I (In-track): -1.65 | C (Cross-track): -0.829
    Collision Risk Index (CRI) 0.41
    X Position (km) -3205.403 -3206.487
    Position Y (km) -3408.987 -3407.445
    Position Z (km) -5008.539 -5008.045
    Velocity X (km/s) 6.699 3.398
    Velocity Y (km/s) -2.649 -6.451
    Velocity Z (km/s) -2.487 2.224

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-2657 KUIPER-00644
    Semimajor Axis (a) 6848.893 km 6850.561 km
    Eccentricity (e) 0.000128 0.000909
    Inclination (i) 53.1619° 51.8769°
    RAAN 0.2944° 290.6543°
    Perigee Argument 92.8093° 2.8047°
    Mean Anomaly (M) 267.3054° 117.4603°
    Apogee 471.632 km 478.652 km
    Perigee 469.880 km 466.196 km
    Orbit Epoch 2026-09-04T20:07:19+0000 2026-09-04T22:00:02+0000

    STARLINK-2657 & KUIPER-00644 Collision Probability (Pc) Trend

    STARLINK-2657 & KUIPER-00644 Collision Probability (Pc) TrendNot Available

    STARLINK-2657 & KUIPER-00644 Miss Distance (Miss Distance) Trend

    STARLINK-2657 & KUIPER-00644 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-2657Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    KUIPER-00644Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-2657Collision Probability Trend

    Object 1 Probability TrendNot Available

    KUIPER-00644Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-2657

    No nearby objects data