Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    2.138455E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-19T20:11:57+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 34856
    NORAD ID 34856
    Object Type DEBRIS
    Country
    CIS CIS
    ← VS →

    2 Object 2

    AOE ID 59341
    NORAD ID 59341
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter COSMOS 2251 DEB STARLINK-31600
    Time of Closest Approach 2026-10-20T04:18:24+0000
    Collision Probability (Pc) 2.138455E-6
    Conjunction Distance (km) 2.163 km
    Relative Speed (km/s) 12.579 km/s
    Conjunction Risk Parameters R (Radial): 1.983 | I (In-track): -0.484 | C (Cross-track): -0.714
    Collision Risk Index (CRI) 0.42
    X Position (km) 6086.438 6088.032
    Position Y (km) -1950.77 -1952.148
    Position Z (km) -2494.428 -2494.915
    Velocity X (km/s) -1.832 3.459
    Velocity Y (km/s) 2.957 5.174
    Velocity Z (km/s) -6.793 4.4

    Orbital Parameters 国际轨道数据源

    Parameter COSMOS 2251 DEB STARLINK-31600
    Semimajor Axis (a) 6875.521 km 6861.226 km
    Eccentricity (e) 0.002828 0.000093
    Inclination (i) 74.0020° 42.9996°
    RAAN 158.5046° 12.4871°
    Perigee Argument 209.3029° 267.4918°
    Mean Anomaly (M) 163.4401° 92.5827°
    Apogee 516.831 km 483.728 km
    Perigee 477.937 km 482.450 km
    Orbit Epoch 2026-10-18T21:31:13+0000 2026-10-19T04:54:29+0000

    COSMOS 2251 DEB & STARLINK-31600 Collision Probability (Pc) Trend

    COSMOS 2251 DEB & STARLINK-31600 Collision Probability (Pc) TrendNot Available

    COSMOS 2251 DEB & STARLINK-31600 Miss Distance (Miss Distance) Trend

    COSMOS 2251 DEB & STARLINK-31600 Miss Distance (Miss Distance) TrendNot Available

    COSMOS 2251 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31600Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    COSMOS 2251 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31600Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with COSMOS 2251 DEB

    No nearby objects data