Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.620094E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-28T00:52:42+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 50182
    NORAD ID 50182
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 53004
    NORAD ID 53004
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3277 STARLINK-4253
    Time of Closest Approach 2026-10-29T15:02:46+0000
    Collision Probability (Pc) 1.620094E-6
    Conjunction Distance (km) 2.421 km
    Relative Speed (km/s) 11.709 km/s
    Conjunction Risk Parameters R (Radial): -1.077 | I (In-track): -1.393 | C (Cross-track): -1.659
    Collision Risk Index (CRI) 0.39
    X Position (km) -353.839 -351.62
    Position Y (km) 6399.185 6398.3
    Position Z (km) -2428.919 -2428.531
    Velocity X (km/s) -4.766 -4.995
    Velocity Y (km/s) -2.342 1.798
    Velocity Z (km/s) -5.474 5.476

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3277 STARLINK-4253
    Semimajor Axis (a) 6850.004 km 6848.877 km
    Eccentricity (e) 0.000694 0.000155
    Inclination (i) 53.1647° 53.1599°
    RAAN 268.0726° 122.3927°
    Perigee Argument 293.7945° 95.7651°
    Mean Anomaly (M) 66.2329° 264.3528°
    Apogee 476.619 km 471.805 km
    Perigee 467.115 km 469.675 km
    Orbit Epoch 2026-10-27T04:11:27+0000 2026-10-26T21:23:18+0000

    STARLINK-3277 & STARLINK-4253 Collision Probability (Pc) Trend

    STARLINK-3277 & STARLINK-4253 Collision Probability (Pc) TrendNot Available

    STARLINK-3277 & STARLINK-4253 Miss Distance (Miss Distance) Trend

    STARLINK-3277 & STARLINK-4253 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3277Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-4253Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3277Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-4253Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3277

    No nearby objects data