Conjunction Event Detail

    ✅
    Very Low Risk
    Very low collision probability. Continue monitoring.
    9.733582E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T02:57:28+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 53221
    NORAD ID 53221
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 54075
    NORAD ID 54075
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4377 STARLINK-5212
    Time of Closest Approach 2026-10-21T07:14:23+0000
    Collision Probability (Pc) 9.733582E-7
    Conjunction Distance (km) 2.789 km
    Relative Speed (km/s) 7.168 km/s
    Conjunction Risk Parameters R (Radial): 2.728 | I (In-track): 0.509 | C (Cross-track): 0.279
    Collision Risk Index (CRI) 0.35
    X Position (km) -5568.355 -5570.908
    Position Y (km) 598.331 598.408
    Position Z (km) 3928.858 3929.978
    Velocity X (km/s) -4.189 -3.571
    Velocity Y (km/s) 1.639 -5.24
    Velocity Z (km/s) -6.169 -4.252

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4377 STARLINK-5212
    Semimajor Axis (a) 6843.710 km 6848.875 km
    Eccentricity (e) 0.000095 0.000112
    Inclination (i) 97.2843° 53.1605°
    RAAN 346.5704° 35.1271°
    Perigee Argument 97.4028° 88.5358°
    Mean Anomaly (M) 262.7323° 271.5771°
    Apogee 466.224 km 471.505 km
    Perigee 464.922 km 469.971 km
    Orbit Epoch 2026-10-19T02:55:46+0000 2026-10-19T06:06:39+0000

    STARLINK-4377 & STARLINK-5212 Collision Probability (Pc) Trend

    STARLINK-4377 & STARLINK-5212 Collision Probability (Pc) TrendNot Available

    STARLINK-4377 & STARLINK-5212 Miss Distance (Miss Distance) Trend

    STARLINK-4377 & STARLINK-5212 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4377Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-5212Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4377Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-5212Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4377

    No nearby objects data