Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    2.355168E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-25T05:09:16+0800
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    1 Object 1

    Name CSTB 1
    AOE ID 31122
    NORAD ID 31122
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 35446
    NORAD ID 35446
    Object Type DEBRIS
    Country
    CIS CIS

    Conjunction Constraints

    Parameter CSTB 1 COSMOS 2251 DEB
    Time of Closest Approach 2026-10-26T14:32:31+0000
    Collision Probability (Pc) 2.355168E-6
    Conjunction Distance (km) 2.122 km
    Relative Speed (km/s) 13.693 km/s
    Conjunction Risk Parameters R (Radial): 0.582 | I (In-track): 0.852 | C (Cross-track): 1.855
    Collision Risk Index (CRI) 0.42
    X Position (km) -1811.307 -1813.395
    Position Y (km) 737.778 737.411
    Position Z (km) 6755.522 6755.607
    Velocity X (km/s) -4.182 -1.776
    Velocity Y (km/s) 5.98 -7.333
    Velocity Z (km/s) -1.818 0.296

    Orbital Parameters 国际轨道数据源

    Parameter CSTB 1 COSMOS 2251 DEB
    Semimajor Axis (a) 7028.436 km 7087.906 km
    Eccentricity (e) 0.006288 0.007462
    Inclination (i) 98.4171° 74.0452°
    RAAN 304.6631° 83.5613°
    Perigee Argument 216.7295° 122.4632°
    Mean Anomaly (M) 142.9595° 238.3775°
    Apogee 694.494 km 762.657 km
    Perigee 606.104 km 656.881 km
    Orbit Epoch 2026-10-24T06:39:06+0000 2026-10-23T03:37:41+0000

    CSTB 1 & COSMOS 2251 DEB Collision Probability (Pc) Trend

    CSTB 1 & COSMOS 2251 DEB Collision Probability (Pc) TrendNot Available

    CSTB 1 & COSMOS 2251 DEB Miss Distance (Miss Distance) Trend

    CSTB 1 & COSMOS 2251 DEB Miss Distance (Miss Distance) TrendNot Available

    CSTB 1Miss 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

    CSTB 1Collision Probability Trend

    Object 1 Probability TrendNot Available

    COSMOS 2251 DEBCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with CSTB 1

    No nearby objects data