Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    2.267932E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-29T08:51:00+0800
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    1 Object 1

    AOE ID 21576
    NORAD ID 21576
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 33844
    NORAD ID 33844
    Object Type DEBRIS
    Country
    CIS CIS

    Conjunction Constraints

    Parameter ORBCOMM-X COSMOS 2251 DEB
    Time of Closest Approach 2026-10-29T01:18:16+0000
    Collision Probability (Pc) 2.267932E-6
    Conjunction Distance (km) 2.208 km
    Relative Speed (km/s) 14.933 km/s
    Conjunction Risk Parameters R (Radial): -2.193 | I (In-track): 0.006 | C (Cross-track): -0.251
    Collision Risk Index (CRI) 0.42
    X Position (km) 5768.956 5767.168
    Position Y (km) -423.839 -423.46
    Position Z (km) 4153.62 4152.382
    Velocity X (km/s) -4.392 4.305
    Velocity Y (km/s) -1.007 2.226
    Velocity Z (km/s) 5.975 -5.726

    Orbital Parameters 国际轨道数据源

    Parameter ORBCOMM-X COSMOS 2251 DEB
    Semimajor Axis (a) 7124.629 km 7155.472 km
    Eccentricity (e) 0.000475 0.004773
    Inclination (i) 98.2798° 74.0662°
    RAAN 1.3889° 189.5954°
    Perigee Argument 112.7101° 133.9155°
    Mean Anomaly (M) 247.4593° 238.2625°
    Apogee 749.877 km 811.491 km
    Perigee 743.107 km 743.179 km
    Orbit Epoch 2026-10-28T15:09:26+0000 2026-10-27T23:35:23+0000

    ORBCOMM-X & COSMOS 2251 DEB Collision Probability (Pc) Trend

    ORBCOMM-X & COSMOS 2251 DEB Collision Probability (Pc) TrendNot Available

    ORBCOMM-X & COSMOS 2251 DEB Miss Distance (Miss Distance) Trend

    ORBCOMM-X & COSMOS 2251 DEB Miss Distance (Miss Distance) TrendNot Available

    ORBCOMM-XMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    COSMOS 2251 DEBMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    ORBCOMM-XCollision Probability Trend

    Object 1 Probability TrendNot Available

    COSMOS 2251 DEBCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with ORBCOMM-X

    No nearby objects data