Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.376736E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-12T13:50:35+0800
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    1 Object 1

    AOE ID 53849
    NORAD ID 53849
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 69650
    NORAD ID 69650
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4770 STARLINK-37646
    Time of Closest Approach 2026-09-14T09:15:21+0000
    Collision Probability (Pc) 1.376736E-6
    Conjunction Distance (km) 2.887 km
    Relative Speed (km/s) 14.286 km/s
    Conjunction Risk Parameters R (Radial): 2.76 | I (In-track): -0.305 | C (Cross-track): 0.791
    Collision Risk Index (CRI) 0.38
    X Position (km) 2208.45 2208.108
    Position Y (km) -4814.507 -4812.013
    Position Z (km) 4332.478 4331.064
    Velocity X (km/s) 6.653 -3.128
    Velocity Y (km/s) -0.317 3.82
    Velocity Z (km/s) -3.732 5.823

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4770 STARLINK-37646
    Semimajor Axis (a) 6848.893 km 6843.663 km
    Eccentricity (e) 0.000135 0.000079
    Inclination (i) 53.1592° 97.2802°
    RAAN 163.8157° 298.0095°
    Perigee Argument 82.7063° 113.7604°
    Mean Anomaly (M) 277.4092° 246.3722°
    Apogee 471.679 km 466.071 km
    Perigee 469.833 km 464.981 km
    Orbit Epoch 2026-09-11T22:45:32+0000 2026-09-11T16:52:29+0000

    STARLINK-4770 & STARLINK-37646 Collision Probability (Pc) Trend

    STARLINK-4770 & STARLINK-37646 Collision Probability (Pc) TrendNot Available

    STARLINK-4770 & STARLINK-37646 Miss Distance (Miss Distance) Trend

    STARLINK-4770 & STARLINK-37646 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4770Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-37646Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4770Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-37646Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4770

    No nearby objects data