Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.161737E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-12T20:53:21+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 52364
    NORAD ID 52364
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 53726
    NORAD ID 53726
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3820 STARLINK-4697
    Time of Closest Approach 2026-09-14T08:55:04+0000
    Collision Probability (Pc) 1.161737E-6
    Conjunction Distance (km) 2.355 km
    Relative Speed (km/s) 6.087 km/s
    Conjunction Risk Parameters R (Radial): 2.355 | I (In-track): -0.04 | C (Cross-track): 0.023
    Collision Risk Index (CRI) 0.36
    X Position (km) -4447.239 -4445.716
    Position Y (km) 453.934 453.732
    Position Z (km) 5171.741 5169.957
    Velocity X (km/s) -3.004 1.582
    Velocity Y (km/s) -6.735 -7.204
    Velocity Z (km/s) -1.987 1.987

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3820 STARLINK-4697
    Semimajor Axis (a) 6843.369 km 6840.880 km
    Eccentricity (e) 0.000117 0.000104
    Inclination (i) 53.1594° 53.1601°
    RAAN 66.5918° 124.7418°
    Perigee Argument 108.0090° 93.3856°
    Mean Anomaly (M) 252.1040° 266.7265°
    Apogee 466.032 km 463.456 km
    Perigee 464.432 km 462.030 km
    Orbit Epoch 2026-09-11T17:52:48+0000 2026-09-12T01:53:44+0000

    STARLINK-3820 & STARLINK-4697 Collision Probability (Pc) Trend

    STARLINK-3820 & STARLINK-4697 Collision Probability (Pc) TrendNot Available

    STARLINK-3820 & STARLINK-4697 Miss Distance (Miss Distance) Trend

    STARLINK-3820 & STARLINK-4697 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3820Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-4697Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3820Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-4697Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3820

    No nearby objects data