Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.096432E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-19T01:47:42+0800
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    1 Object 1

    AOE ID 40477
    NORAD ID 40477
    Object Type DEBRIS
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 53754
    NORAD ID 53754
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter DMSP 5D-2 F13 DEB SHERPA-LTC2
    Time of Closest Approach 2026-10-19T03:28:08+0000
    Collision Probability (Pc) 1.096432E-6
    Conjunction Distance (km) 2.949 km
    Relative Speed (km/s) 10.039 km/s
    Conjunction Risk Parameters R (Radial): 1.992 | I (In-track): -1.637 | C (Cross-track): -1.428
    Collision Risk Index (CRI) 0.36
    X Position (km) -4426.937 -4426.528
    Position Y (km) 829.709 830.654
    Position Z (km) 5492.575 5495.338
    Velocity X (km/s) -5.206 -2.982
    Velocity Y (km/s) 2.765 -6.597
    Velocity Z (km/s) -4.623 -1.763

    Orbital Parameters 国际轨道数据源

    Parameter DMSP 5D-2 F13 DEB SHERPA-LTC2
    Semimajor Axis (a) 7108.321 km 7037.131 km
    Eccentricity (e) 0.002001 0.039069
    Inclination (i) 98.5603° 53.2339°
    RAAN 337.7252° 57.8774°
    Perigee Argument 219.9151° 211.1885°
    Mean Anomaly (M) 140.0571° 146.5370°
    Apogee 744.407 km 933.925 km
    Perigee 715.961 km 384.063 km
    Orbit Epoch 2026-10-18T02:00:37+0000 2026-10-18T12:17:01+0000

    DMSP 5D-2 F13 DEB & SHERPA-LTC2 Collision Probability (Pc) Trend

    DMSP 5D-2 F13 DEB & SHERPA-LTC2 Collision Probability (Pc) TrendNot Available

    DMSP 5D-2 F13 DEB & SHERPA-LTC2 Miss Distance (Miss Distance) Trend

    DMSP 5D-2 F13 DEB & SHERPA-LTC2 Miss Distance (Miss Distance) TrendNot Available

    DMSP 5D-2 F13 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    SHERPA-LTC2Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    DMSP 5D-2 F13 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    SHERPA-LTC2Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with DMSP 5D-2 F13 DEB

    No nearby objects data