Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.558095E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-28T20:31:15+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 47839
    NORAD ID 47839
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 51971
    NORAD ID 51971
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-2431 STARLINK-3669
    Time of Closest Approach 2026-10-28T17:29:47+0000
    Collision Probability (Pc) 1.558095E-6
    Conjunction Distance (km) 2.503 km
    Relative Speed (km/s) 12.149 km/s
    Conjunction Risk Parameters R (Radial): -1.571 | I (In-track): -1.186 | C (Cross-track): 1.546
    Collision Risk Index (CRI) 0.39
    X Position (km) 6084.524 6085.061
    Position Y (km) 2982.672 2985.106
    Position Z (km) 981.786 982.02
    Velocity X (km/s) -1.245 -2.825
    Velocity Y (km/s) 4.538 3.762
    Velocity Z (km/s) -6.01 6.01

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-2431 STARLINK-3669
    Semimajor Axis (a) 6847.572 km 6848.897 km
    Eccentricity (e) 0.000143 0.000108
    Inclination (i) 53.1575° 53.1612°
    RAAN 215.8380° 23.5501°
    Perigee Argument 92.0812° 92.0085°
    Mean Anomaly (M) 268.0354° 268.1040°
    Apogee 470.415 km 471.499 km
    Perigee 468.455 km 470.021 km
    Orbit Epoch 2026-10-27T23:32:19+0000 2026-10-27T22:39:34+0000

    STARLINK-2431 & STARLINK-3669 Collision Probability (Pc) Trend

    STARLINK-2431 & STARLINK-3669 Collision Probability (Pc) TrendNot Available

    STARLINK-2431 & STARLINK-3669 Miss Distance (Miss Distance) Trend

    STARLINK-2431 & STARLINK-3669 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-2431Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-3669Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-2431Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-3669Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-2431

    No nearby objects data