Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.120214E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-11T17:24:27+0800
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    1 Object 1

    AOE ID 53421
    NORAD ID 53421
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 69489
    NORAD ID 69489
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4545 STARLINK-37831
    Time of Closest Approach 2026-09-11T18:49:22+0000
    Collision Probability (Pc) 1.120214E-6
    Conjunction Distance (km) 2.865 km
    Relative Speed (km/s) 9.793 km/s
    Conjunction Risk Parameters R (Radial): 2.68 | I (In-track): 0.784 | C (Cross-track): -0.644
    Collision Risk Index (CRI) 0.36
    X Position (km) 1107.354 1106.288
    Position Y (km) -4274.363 -4272.15
    Position Z (km) -5242.637 -5241.164
    Velocity X (km/s) 7.401 -0.02
    Velocity Y (km/s) -0.279 -5.907
    Velocity Z (km/s) 1.792 4.814

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4545 STARLINK-37831
    Semimajor Axis (a) 6848.864 km 6843.678 km
    Eccentricity (e) 0.000108 0.000183
    Inclination (i) 53.1615° 97.2830°
    RAAN 353.1229° 274.6331°
    Perigee Argument 86.3921° 107.5781°
    Mean Anomaly (M) 273.7204° 252.5661°
    Apogee 471.467 km 466.793 km
    Perigee 469.987 km 464.289 km
    Orbit Epoch 2026-09-10T13:23:11+0000 2026-09-10T14:51:10+0000

    STARLINK-4545 & STARLINK-37831 Collision Probability (Pc) Trend

    STARLINK-4545 & STARLINK-37831 Collision Probability (Pc) TrendNot Available

    STARLINK-4545 & STARLINK-37831 Miss Distance (Miss Distance) Trend

    STARLINK-4545 & STARLINK-37831 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4545Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-37831Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4545Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-37831Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4545

    No nearby objects data