Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    3.055779E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T04:09:00+0800
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    1 Object 1

    AOE ID 34036
    NORAD ID 34036
    Object Type DEBRIS
    Country
    CIS CIS
    ← VS →

    2 Object 2

    AOE ID 53722
    NORAD ID 53722
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter COSMOS 2251 DEB STARLINK-4700
    Time of Closest Approach 2026-10-22T05:19:52+0000
    Collision Probability (Pc) 3.055779E-6
    Conjunction Distance (km) 1.732 km
    Relative Speed (km/s) 8.868 km/s
    Conjunction Risk Parameters R (Radial): -0.111 | I (In-track): 1.408 | C (Cross-track): 1.002
    Collision Risk Index (CRI) 0.45
    X Position (km) 3956.383 3956.475
    Position Y (km) 1214.863 1216.494
    Position Z (km) 5437.021 5436.45
    Velocity X (km/s) 4.151 -3.034
    Velocity Y (km/s) 4.913 6.981
    Velocity Z (km/s) -4.124 0.644

    Orbital Parameters 国际轨道数据源

    Parameter COSMOS 2251 DEB STARLINK-4700
    Semimajor Axis (a) 6845.074 km 6840.856 km
    Eccentricity (e) 0.001741 0.000126
    Inclination (i) 73.9965° 53.1587°
    RAAN 223.4643° 305.4185°
    Perigee Argument 192.7694° 89.2267°
    Mean Anomaly (M) 167.3071° 270.8880°
    Apogee 478.856 km 463.584 km
    Perigee 455.018 km 461.854 km
    Orbit Epoch 2026-10-20T05:48:41+0000 2026-10-20T10:45:34+0000

    COSMOS 2251 DEB & STARLINK-4700 Collision Probability (Pc) Trend

    COSMOS 2251 DEB & STARLINK-4700 Collision Probability (Pc) TrendNot Available

    COSMOS 2251 DEB & STARLINK-4700 Miss Distance (Miss Distance) Trend

    COSMOS 2251 DEB & STARLINK-4700 Miss Distance (Miss Distance) TrendNot Available

    COSMOS 2251 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-4700Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    COSMOS 2251 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-4700Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with COSMOS 2251 DEB

    No nearby objects data