Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.727861E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-11T13:54:13+0800
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    1 Object 1

    AOE ID 35440
    NORAD ID 35440
    Object Type DEBRIS
    Country
    CIS CIS
    VS

    2 Object 2

    AOE ID 38756
    NORAD ID 38756
    Object Type PAYLOAD
    Country
    JP JP

    Conjunction Constraints

    Parameter COSMOS 2251 DEB PROITERES
    Time of Closest Approach 2026-09-11T06:15:04+0000
    Collision Probability (Pc) 1.727861E-6
    Conjunction Distance (km) 2.489 km
    Relative Speed (km/s) 14.211 km/s
    Conjunction Risk Parameters R (Radial): -1.388 | I (In-track): 0.698 | C (Cross-track): -1.943
    Collision Risk Index (CRI) 0.4
    X Position (km) -1795.394 -1796.376
    Position Y (km) 1010.214 1012.329
    Position Z (km) 6675.509 6676.378
    Velocity X (km/s) -5.715 7.3
    Velocity Y (km/s) -4.908 0.096
    Velocity Z (km/s) -0.808 1.938

    Orbital Parameters 国际轨道数据源

    Parameter COSMOS 2251 DEB PROITERES
    Semimajor Axis (a) 7038.969 km 6999.150 km
    Eccentricity (e) 0.006728 0.001146
    Inclination (i) 74.0147° 98.2324°
    RAAN 41.1775° 178.1201°
    Perigee Argument 115.2847° 131.3277°
    Mean Anomaly (M) 245.5315° 228.8923°
    Apogee 708.188 km 629.032 km
    Perigee 613.476 km 612.994 km
    Orbit Epoch 2026-09-10T02:03:07+0000 2026-09-10T20:11:47+0000

    COSMOS 2251 DEB & PROITERES Collision Probability (Pc) Trend

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

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

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

    COSMOS 2251 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    PROITERESMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    COSMOS 2251 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    PROITERESCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with COSMOS 2251 DEB

    No nearby objects data