Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    9.679552E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-07T21:06:49+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 25682
    NORAD ID 25682
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 35724
    NORAD ID 35724
    Object Type DEBRIS
    Country
    CIS CIS

    Conjunction Constraints

    Parameter LANDSAT 7 COSMOS 2251 DEB
    Time of Closest Approach 2026-10-09T15:19:01+0000
    Collision Probability (Pc) 9.679552E-6
    Conjunction Distance (km) 1.347 km
    Relative Speed (km/s) 14.91 km/s
    Conjunction Risk Parameters R (Radial): 1.17 | I (In-track): -0.069 | C (Cross-track): -0.663
    Collision Risk Index (CRI) 0.55
    X Position (km) 1576.14 1576.529
    Position Y (km) -4037.619 -4036.897
    Position Z (km) -5580.867 -5579.799
    Velocity X (km/s) 0.54 1.22
    Velocity Y (km/s) -5.989 6.142
    Velocity Z (km/s) 4.488 -4.153

    Orbital Parameters 国际轨道数据源

    Parameter LANDSAT 7 COSMOS 2251 DEB
    Semimajor Axis (a) 7058.446 km 7075.318 km
    Eccentricity (e) 0.000176 0.006003
    Inclination (i) 97.8649° 74.0296°
    RAAN 278.8075° 94.8748°
    Perigee Argument 90.6661° 173.9765°
    Mean Anomaly (M) 325.7223° 186.2136°
    Apogee 681.554 km 739.655 km
    Perigee 679.064 km 654.707 km
    Orbit Epoch 2026-10-07T06:24:10+0000 2026-10-06T22:03:19+0000

    LANDSAT 7 & COSMOS 2251 DEB Collision Probability (Pc) Trend

    LANDSAT 7 & COSMOS 2251 DEB Collision Probability (Pc) TrendNot Available

    LANDSAT 7 & COSMOS 2251 DEB Miss Distance (Miss Distance) Trend

    LANDSAT 7 & COSMOS 2251 DEB Miss Distance (Miss Distance) TrendNot Available

    LANDSAT 7Miss 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

    LANDSAT 7Collision Probability Trend

    Object 1 Probability TrendNot Available

    COSMOS 2251 DEBCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with LANDSAT 7

    No nearby objects data