Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.857051E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-15T22:38:27+0800
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    1 Object 1

    AOE ID 3911
    NORAD ID 3911
    Object Type DEBRIS
    Country
    CIS CIS
    ← VS →

    2 Object 2

    Name VEGA
    AOE ID 68430
    NORAD ID 68430
    Object Type PAYLOAD
    Country
    SE SE

    Conjunction Constraints

    Parameter COSMOS 249 DEB VEGA
    Time of Closest Approach 2026-10-15T17:52:32+0000
    Collision Probability (Pc) 1.857051E-6
    Conjunction Distance (km) 2.304 km
    Relative Speed (km/s) 12.501 km/s
    Conjunction Risk Parameters R (Radial): -2.158 | I (In-track): 0.467 | C (Cross-track): 0.656
    Collision Risk Index (CRI) 0.4
    X Position (km) -1975.127 -1973.774
    Position Y (km) -2431.851 -2430.938
    Position Z (km) 6122.399 6120.774
    Velocity X (km/s) 6.093 2.41
    Velocity Y (km/s) -5.039 6.415
    Velocity Z (km/s) -0.075 3.317

    Orbital Parameters 国际轨道数据源

    Parameter COSMOS 249 DEB VEGA
    Semimajor Axis (a) 7474.258 km 6882.417 km
    Eccentricity (e) 0.078996 0.000154
    Inclination (i) 62.9168° 97.4646°
    RAAN 142.1386° 244.9169°
    Perigee Argument 93.7925° 82.0086°
    Mean Anomaly (M) 275.3693° 278.1323°
    Apogee 1686.555 km 505.338 km
    Perigee 505.687 km 503.222 km
    Orbit Epoch 2026-10-14T23:36:26+0000 2026-10-14T21:03:48+0000

    COSMOS 249 DEB & VEGA Collision Probability (Pc) Trend

    COSMOS 249 DEB & VEGA Collision Probability (Pc) TrendNot Available

    COSMOS 249 DEB & VEGA Miss Distance (Miss Distance) Trend

    COSMOS 249 DEB & VEGA Miss Distance (Miss Distance) TrendNot Available

    COSMOS 249 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    VEGAMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    COSMOS 249 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    VEGACollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with COSMOS 249 DEB

    No nearby objects data