Conjunction Event Detail

    ✅
    Very Low Risk
    Very low collision probability. Continue monitoring.
    5.893912E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-28T21:07:45+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 52461
    NORAD ID 52461
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 63381
    NORAD ID 63381
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3900 STARLINK-33643
    Time of Closest Approach 2026-10-30T16:28:25+0000
    Collision Probability (Pc) 5.893912E-7
    Conjunction Distance (km) 2.484 km
    Relative Speed (km/s) 1.985 km/s
    Conjunction Risk Parameters R (Radial): -0.123 | I (In-track): 2.46 | C (Cross-track): -0.323
    Collision Risk Index (CRI) 0.3
    X Position (km) -3014.908 -3016.551
    Position Y (km) 2828.027 2826.167
    Position Z (km) 5440.397 5440.298
    Velocity X (km/s) -4.603 -5.756
    Velocity Y (km/s) -6.067 -4.987
    Velocity Z (km/s) 0.602 -0.599

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3900 STARLINK-33643
    Semimajor Axis (a) 6840.881 km 6840.811 km
    Eccentricity (e) 0.000163 0.000121
    Inclination (i) 53.1617° 53.1589°
    RAAN 70.2874° 51.9251°
    Perigee Argument 61.5061° 49.2226°
    Mean Anomaly (M) 298.6105° 310.8882°
    Apogee 463.857 km 463.502 km
    Perigee 461.631 km 461.846 km
    Orbit Epoch 2026-10-27T16:11:54+0000 2026-10-27T14:35:28+0000

    STARLINK-3900 & STARLINK-33643 Collision Probability (Pc) Trend

    STARLINK-3900 & STARLINK-33643 Collision Probability (Pc) TrendNot Available

    STARLINK-3900 & STARLINK-33643 Miss Distance (Miss Distance) Trend

    STARLINK-3900 & STARLINK-33643 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3900Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-33643Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3900Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-33643Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3900

    No nearby objects data