Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    3.105841E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T03:32:11+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 53720
    NORAD ID 53720
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 60468
    NORAD ID 60468
    Object Type UNKNOWN
    Country
    TBD TBD

    Conjunction Constraints

    Parameter STARLINK-4642 OBJECT A
    Time of Closest Approach 2026-10-21T07:15:57+0000
    Collision Probability (Pc) 3.105841E-6
    Conjunction Distance (km) 1.77 km
    Relative Speed (km/s) 10.012 km/s
    Conjunction Risk Parameters R (Radial): 1.733 | I (In-track): -0.264 | C (Cross-track): 0.241
    Collision Risk Index (CRI) 0.45
    X Position (km) -4341.109 -4342.464
    Position Y (km) -373.378 -373.324
    Position Z (km) -5280.971 -5282.107
    Velocity X (km/s) 2.574 5.603
    Velocity Y (km/s) -6.991 2.023
    Velocity Z (km/s) -1.623 -4.755

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4642 OBJECT A
    Semimajor Axis (a) 6840.834 km 6840.040 km
    Eccentricity (e) 0.000117 0.000419
    Inclination (i) 53.1611° 97.3641°
    RAAN 309.8642° 11.6116°
    Perigee Argument 81.4147° 123.3154°
    Mean Anomaly (M) 278.6989° 236.8491°
    Apogee 463.501 km 464.770 km
    Perigee 461.893 km 459.036 km
    Orbit Epoch 2026-10-19T02:34:26+0000 2026-10-18T23:29:36+0000

    STARLINK-4642 & OBJECT A Collision Probability (Pc) Trend

    STARLINK-4642 & OBJECT A Collision Probability (Pc) TrendNot Available

    STARLINK-4642 & OBJECT A Miss Distance (Miss Distance) Trend

    STARLINK-4642 & OBJECT A Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4642Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    OBJECT AMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4642Collision Probability Trend

    Object 1 Probability TrendNot Available

    OBJECT ACollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4642

    No nearby objects data