Conjunction Event Detail

    ✅
    Very Low Risk
    Very low collision probability. Continue monitoring.
    2.260389E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-29T16:41:54+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 53868
    NORAD ID 53868
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 59430
    NORAD ID 59430
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4789 STARLINK-31772
    Time of Closest Approach 2026-11-04T12:27:30+0000
    Collision Probability (Pc) 2.260389E-7
    Conjunction Distance (km) 2.925 km
    Relative Speed (km/s) 0.003 km/s
    Conjunction Risk Parameters R (Radial): -2.769 | I (In-track): 0.35 | C (Cross-track): 0.872
    Collision Risk Index (CRI) 0.22
    X Position (km) -1453.155 -1453.422
    Position Y (km) 4831.45 4829.596
    Position Z (km) -4628.937 -4626.692
    Velocity X (km/s) -5.081 -5.081
    Velocity Y (km/s) -4.654 -4.656
    Velocity Z (km/s) -3.266 -3.268

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4789 STARLINK-31772
    Semimajor Axis (a) 6840.827 km 6840.932 km
    Eccentricity (e) 0.000143 0.000154
    Inclination (i) 53.1576° 53.1588°
    RAAN 275.7000° 276.5207°
    Perigee Argument 87.2292° 84.4962°
    Mean Anomaly (M) 341.3090° 131.2668°
    Apogee 463.672 km 463.850 km
    Perigee 461.708 km 461.740 km
    Orbit Epoch 2026-10-28T14:00:02+0000 2026-10-28T10:00:02+0000

    STARLINK-4789 & STARLINK-31772 Collision Probability (Pc) Trend

    STARLINK-4789 & STARLINK-31772 Collision Probability (Pc) TrendNot Available

    STARLINK-4789 & STARLINK-31772 Miss Distance (Miss Distance) Trend

    STARLINK-4789 & STARLINK-31772 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4789Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31772Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4789Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31772Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4789

    No nearby objects data