Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.095329E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-09T14:26:27+0800
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    1 Object 1

    AOE ID 35443
    NORAD ID 35443
    Object Type DEBRIS
    Country
    CIS CIS
    VS

    2 Object 2

    AOE ID 45222
    NORAD ID 45222
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter COSMOS 2251 DEB STARLINK-1191
    Time of Closest Approach 2026-09-10T01:26:24+0000
    Collision Probability (Pc) 1.095329E-6
    Conjunction Distance (km) 2.898 km
    Relative Speed (km/s) 9.653 km/s
    Conjunction Risk Parameters R (Radial): 1.426 | I (In-track): 1.966 | C (Cross-track): 1.582
    Collision Risk Index (CRI) 0.36
    X Position (km) 873.164 875.761
    Position Y (km) -4108.307 -4109.502
    Position Z (km) 5322.983 5323.45
    Velocity X (km/s) 4.47 6.949
    Velocity Y (km/s) -4.552 3.017
    Velocity Z (km/s) -4.269 1.183

    Orbital Parameters 国际轨道数据源

    Parameter COSMOS 2251 DEB STARLINK-1191
    Semimajor Axis (a) 6804.447 km 6790.343 km
    Eccentricity (e) 0.004226 0.000116
    Inclination (i) 73.9542° 53.1497°
    RAAN 125.8536° 220.4576°
    Perigee Argument 182.0696° 97.0120°
    Mean Anomaly (M) 178.0347° 263.1022°
    Apogee 455.067 km 412.996 km
    Perigee 397.553 km 411.416 km
    Orbit Epoch 2026-09-08T22:30:56+0000 2026-09-07T22:05:22+0000

    COSMOS 2251 DEB & STARLINK-1191 Collision Probability (Pc) Trend

    COSMOS 2251 DEB & STARLINK-1191 Collision Probability (Pc) TrendNot Available

    COSMOS 2251 DEB & STARLINK-1191 Miss Distance (Miss Distance) Trend

    COSMOS 2251 DEB & STARLINK-1191 Miss Distance (Miss Distance) TrendNot Available

    COSMOS 2251 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-1191Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    COSMOS 2251 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-1191Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with COSMOS 2251 DEB

    No nearby objects data