Conjunction Event Detail

    Very Low Risk
    Very low collision probability. Continue monitoring.
    9.49705E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-07-21T00:04:53+0800
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    1 Object 1

    AOE ID 35824
    NORAD ID 35824
    Object Type DEBRIS
    Country
    CIS CIS
    VS

    2 Object 2

    AOE ID 39105
    NORAD ID 39105
    Object Type DEBRIS
    Country
    FR FR

    Conjunction Constraints

    Parameter COSMOS 2251 DEB ARIANE 1 DEB
    Time of Closest Approach 2026-07-22T08:09:23+0800
    Collision Probability (Pc) 9.49705E-7
    Miss Distance (km) 2.029 km
    Position X (km) 4543.896 4544.248
    Position Y (km) 3763.68 3765.575
    Position Z (km) 4055.621 4056.253
    Velocity X (km/s) -4.797 4.051
    Velocity Y (km/s) -0.67 1.601
    Velocity Z (km/s) 5.776 -6.1

    Orbital Parameters 国际轨道数据源

    Parameter COSMOS 2251 DEB ARIANE 1 DEB
    Semimajor Axis (a) 7309.657 km 7228.816 km
    Eccentricity (e) 0.025373 0.011408
    Inclination (i) 73.8432° 98.5482°
    RAAN 31.1270° 210.1704°
    Perigee Argument 77.8174° 193.6329°
    Mean Anomaly (M) 285.1247° 166.1755°
    Apogee 1116.988 km 933.144 km
    Perigee 746.052 km 768.214 km
    Orbit Epoch 2026-07-20T14:30:33+0800 2026-07-18T15:03:59+0800

    COSMOS 2251 DEB & ARIANE 1 DEB Collision Probability (Pc) Trend

    COSMOS 2251 DEB & ARIANE 1 DEB Collision Probability (Pc) TrendNot Available

    COSMOS 2251 DEB & ARIANE 1 DEB Miss Distance (Md) Trend

    COSMOS 2251 DEB & ARIANE 1 DEB Miss Distance (Md) TrendNot Available

    COSMOS 2251 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    ARIANE 1 DEBMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    COSMOS 2251 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    ARIANE 1 DEBCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with COSMOS 2251 DEB

    No nearby objects data