Conjunction Event Detail

    ⚠
    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    1.357178E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-11-03T14:57:56+0800
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    1 Object 1

    AOE ID 33828
    NORAD ID 33828
    Object Type DEBRIS
    Country
    CIS CIS
    ← VS →

    2 Object 2

    Name NISAR
    AOE ID 65053
    NORAD ID 65053
    Object Type PAYLOAD
    Country
    IN IN

    Conjunction Constraints

    Parameter COSMOS 2251 DEB NISAR
    Time of Closest Approach 2026-11-03T22:45:20+0000
    Collision Probability (Pc) 1.357178E-5
    Conjunction Distance (km) 1.21 km
    Relative Speed (km/s) 14.17 km/s
    Conjunction Risk Parameters R (Radial): 0.985 | I (In-track): -0.234 | C (Cross-track): 0.663
    Collision Risk Index (CRI) 0.58
    X Position (km) -571.022 -571.254
    Position Y (km) 2057.48 2056.586
    Position Z (km) 6793.851 6793.07
    Velocity X (km/s) -7.368 5.184
    Velocity Y (km/s) 0.911 -5.026
    Velocity Z (km/s) -0.872 1.954

    Orbital Parameters 国际轨道数据源

    Parameter COSMOS 2251 DEB NISAR
    Semimajor Axis (a) 7119.827 km 7128.376 km
    Eccentricity (e) 0.002940 0.000124
    Inclination (i) 74.0474° 98.4056°
    RAAN 353.0846° 132.1465°
    Perigee Argument 343.8513° 89.2882°
    Mean Anomaly (M) 132.7603° 270.8451°
    Apogee 762.626 km 751.126 km
    Perigee 720.754 km 749.352 km
    Orbit Epoch 2026-11-02T20:15:49+0000 2026-11-02T11:27:05+0000

    COSMOS 2251 DEB & NISAR Collision Probability (Pc) Trend

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

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

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

    COSMOS 2251 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    NISARMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    COSMOS 2251 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    NISARCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with COSMOS 2251 DEB

    No nearby objects data