Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.399948E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-11T21:58:18+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 25478
    NORAD ID 25478
    Object Type PAYLOAD
    Country
    ORB ORB
    VS

    2 Object 2

    AOE ID 34852
    NORAD ID 34852
    Object Type DEBRIS
    Country
    CIS CIS

    Conjunction Constraints

    Parameter ORBCOMM FM 24 COSMOS 2251 DEB
    Time of Closest Approach 2026-09-11T19:03:01+0000
    Collision Probability (Pc) 1.399948E-6
    Conjunction Distance (km) 2.725 km
    Relative Speed (km/s) 12.792 km/s
    Conjunction Risk Parameters R (Radial): -1.845 | I (In-track): 1.033 | C (Cross-track): -1.717
    Collision Risk Index (CRI) 0.38
    X Position (km) 3213.536 3214.472
    Position Y (km) -6211.278 -6208.876
    Position Z (km) 1425.52 1424.638
    Velocity X (km/s) 4.314 2.528
    Velocity Y (km/s) 3.4 -0.316
    Velocity Z (km/s) 5.073 -7.036

    Orbital Parameters 国际轨道数据源

    Parameter ORBCOMM FM 24 COSMOS 2251 DEB
    Semimajor Axis (a) 7139.072 km 7146.005 km
    Eccentricity (e) 0.000387 0.001638
    Inclination (i) 45.0078° 74.0318°
    RAAN 288.9033° 125.2564°
    Perigee Argument 289.2718° 170.6050°
    Mean Anomaly (M) 70.7712° 189.5414°
    Apogee 763.698 km 779.571 km
    Perigee 758.172 km 756.165 km
    Orbit Epoch 2026-09-11T02:18:56+0000 2026-09-09T07:48:01+0000

    ORBCOMM FM 24 & COSMOS 2251 DEB Collision Probability (Pc) Trend

    ORBCOMM FM 24 & COSMOS 2251 DEB Collision Probability (Pc) TrendNot Available

    ORBCOMM FM 24 & COSMOS 2251 DEB Miss Distance (Miss Distance) Trend

    ORBCOMM FM 24 & COSMOS 2251 DEB Miss Distance (Miss Distance) TrendNot Available

    ORBCOMM FM 24Miss 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 FM 24Collision Probability Trend

    Object 1 Probability TrendNot Available

    COSMOS 2251 DEBCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with ORBCOMM FM 24

    No nearby objects data