Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    5.051387E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-11-04T23:19:33+0800
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    1 Object 1

    AOE ID 35465
    NORAD ID 35465
    Object Type DEBRIS
    Country
    CIS CIS
    ← VS →

    2 Object 2

    Name NEOSSAT
    AOE ID 39089
    NORAD ID 39089
    Object Type PAYLOAD
    Country
    CA CA

    Conjunction Constraints

    Parameter COSMOS 2251 DEB NEOSSAT
    Time of Closest Approach 2026-11-05T01:03:50+0000
    Collision Probability (Pc) 5.051387E-6
    Conjunction Distance (km) 1.64 km
    Relative Speed (km/s) 14.87 km/s
    Conjunction Risk Parameters R (Radial): 0.225 | I (In-track): 0.119 | C (Cross-track): 1.621
    Collision Risk Index (CRI) 0.49
    X Position (km) -4143.697 -4145.114
    Position Y (km) 5830.452 5829.702
    Position Z (km) 328.113 328.456
    Velocity X (km/s) -1.881 1.092
    Velocity Y (km/s) -0.896 0.351
    Velocity Z (km/s) -7.145 7.37

    Orbital Parameters 国际轨道数据源

    Parameter COSMOS 2251 DEB NEOSSAT
    Semimajor Axis (a) 7119.978 km 7150.316 km
    Eccentricity (e) 0.006256 0.001087
    Inclination (i) 73.9980° 98.4219°
    RAAN 309.4495° 124.8505°
    Perigee Argument 31.6174° 183.7250°
    Mean Anomaly (M) 328.8717° 176.3857°
    Apogee 786.383 km 779.948 km
    Perigee 697.299 km 764.410 km
    Orbit Epoch 2026-11-03T06:42:46+0000 2026-11-04T01:38:16+0000

    COSMOS 2251 DEB & NEOSSAT Collision Probability (Pc) Trend

    COSMOS 2251 DEB & NEOSSAT Collision Probability (Pc) TrendNot Available

    COSMOS 2251 DEB & NEOSSAT Miss Distance (Miss Distance) Trend

    COSMOS 2251 DEB & NEOSSAT Miss Distance (Miss Distance) TrendNot Available

    COSMOS 2251 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    NEOSSATMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    COSMOS 2251 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    NEOSSATCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with COSMOS 2251 DEB

    No nearby objects data