Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.620498E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-14T11:33:59+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 2920
    NORAD ID 2920
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 42425
    NORAD ID 42425
    Object Type DEBRIS
    Country
    US US

    Conjunction Constraints

    Parameter OPS 7202 (DMSP 4A F3) NOAA 16 DEB
    Time of Closest Approach 2026-09-14T22:38:52+0000
    Collision Probability (Pc) 1.620498E-6
    Conjunction Distance (km) 2.612 km
    Relative Speed (km/s) 14.681 km/s
    Conjunction Risk Parameters R (Radial): -1.526 | I (In-track): -0.341 | C (Cross-track): 2.092
    Collision Risk Index (CRI) 0.39
    X Position (km) 2079.836 2081.401
    Position Y (km) -6041.489 -6039.525
    Position Z (km) 3321.237 3320.521
    Velocity X (km/s) -0.072 -2.299
    Velocity Y (km/s) -3.638 2.78
    Velocity Z (km/s) -6.502 6.512

    Orbital Parameters 国际轨道数据源

    Parameter OPS 7202 (DMSP 4A F3) NOAA 16 DEB
    Semimajor Axis (a) 7219.351 km 7204.863 km
    Eccentricity (e) 0.003903 0.002255
    Inclination (i) 98.5773° 98.6959°
    RAAN 103.1085° 291.0125°
    Perigee Argument 103.3058° 319.8064°
    Mean Anomaly (M) 257.2474° 40.1443°
    Apogee 869.394 km 842.974 km
    Perigee 813.034 km 810.478 km
    Orbit Epoch 2026-09-13T12:00:06+0000 2026-09-12T07:55:47+0000

    OPS 7202 (DMSP 4A F3) & NOAA 16 DEB Collision Probability (Pc) Trend

    OPS 7202 (DMSP 4A F3) & NOAA 16 DEB Collision Probability (Pc) TrendNot Available

    OPS 7202 (DMSP 4A F3) & NOAA 16 DEB Miss Distance (Miss Distance) Trend

    OPS 7202 (DMSP 4A F3) & NOAA 16 DEB Miss Distance (Miss Distance) TrendNot Available

    OPS 7202 (DMSP 4A F3)Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    NOAA 16 DEBMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    OPS 7202 (DMSP 4A F3)Collision Probability Trend

    Object 1 Probability TrendNot Available

    NOAA 16 DEBCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with OPS 7202 (DMSP 4A F3)

    No nearby objects data