Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.74631E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-15T02:12:09+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 18431
    NORAD ID 18431
    Object Type DEBRIS
    Country
    CIS CIS
    ← VS →

    2 Object 2

    AOE ID 49396
    NORAD ID 49396
    Object Type PAYLOAD
    Country
    JP JP

    Conjunction Constraints

    Parameter COSMOS 252 DEB TEIKYOSAT-4 (OORURI)
    Time of Closest Approach 2026-10-15T03:42:17+0000
    Collision Probability (Pc) 1.74631E-6
    Conjunction Distance (km) 2.533 km
    Relative Speed (km/s) 15.248 km/s
    Conjunction Risk Parameters R (Radial): -1.792 | I (In-track): 0.324 | C (Cross-track): 1.76
    Collision Risk Index (CRI) 0.4
    X Position (km) 4756.389 4756.429
    Position Y (km) -4991.298 -4988.863
    Position Z (km) -634.991 -634.296
    Velocity X (km/s) 2.25 -0.231
    Velocity Y (km/s) 2.975 -1.172
    Velocity Z (km/s) -6.968 7.493

    Orbital Parameters 国际轨道数据源

    Parameter COSMOS 252 DEB TEIKYOSAT-4 (OORURI)
    Semimajor Axis (a) 7560.901 km 6914.803 km
    Eccentricity (e) 0.084662 0.001046
    Inclination (i) 62.3496° 97.3593°
    RAAN 133.1064° 312.1258°
    Perigee Argument 182.6037° 238.6680°
    Mean Anomaly (M) 177.0417° 121.3526°
    Apogee 1822.882 km 543.900 km
    Perigee 542.646 km 529.432 km
    Orbit Epoch 2026-10-14T06:46:34+0000 2026-10-14T07:03:03+0000

    COSMOS 252 DEB & TEIKYOSAT-4 (OORURI) Collision Probability (Pc) Trend

    COSMOS 252 DEB & TEIKYOSAT-4 (OORURI) Collision Probability (Pc) TrendNot Available

    COSMOS 252 DEB & TEIKYOSAT-4 (OORURI) Miss Distance (Miss Distance) Trend

    COSMOS 252 DEB & TEIKYOSAT-4 (OORURI) Miss Distance (Miss Distance) TrendNot Available

    COSMOS 252 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    TEIKYOSAT-4 (OORURI)Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    COSMOS 252 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    TEIKYOSAT-4 (OORURI)Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with COSMOS 252 DEB

    No nearby objects data